diff --git a/apps/docs/blume.config.ts b/apps/docs/blume.config.ts
index 7f020b6..015e515 100644
--- a/apps/docs/blume.config.ts
+++ b/apps/docs/blume.config.ts
@@ -2,6 +2,7 @@ import { defineConfig } from "blume";
 import type { StandardSchema } from "blume/core/standard-schema.ts";
 import { filesystem } from "blume/sources";
 import { APPENDIX } from "./appendix";
+import { RECENCY, type Company } from "./companies";
 import redirects from "./redirects";
 
 // Blume's defaults (`inter`, `ibm-plex-mono`) are fetched from fonts.gstatic.com
@@ -33,13 +34,14 @@ const plexMono = {
 };
 
 /**
- * Custom frontmatter, rendered as the badge row by
+ * Custom frontmatter, rendered between the description and the body by
  * components/ProblemBadges.astro. Problem pages: `topics:` is LeetCode's topic
- * tags and `issue:` the problem's GitHub issue URL (both written by
- * apps/cli/sync.ts), `video:` the NeetCode walkthrough's
- * YouTube id (apps/cli/videos.ts). Blume rejects undeclared keys and takes
- * any Standard Schema; these are hand-rolled so the docs workspace needs no
- * zod. All optional — every other page carries none.
+ * tags, `issue:` the problem's GitHub issue URL and `companies:` the companies
+ * that asked it in the last six months (`companies.ts`; the table under the
+ * badge row) — all three written by apps/cli/sync.ts — and `video:` the
+ * NeetCode walkthrough's YouTube id (apps/cli/videos.ts). Blume rejects
+ * undeclared keys and takes any Standard Schema; these are hand-rolled so the
+ * docs workspace needs no zod. All optional — every other page carries none.
  */
 const optional = <T>(
   message: string,
@@ -74,6 +76,17 @@ const issueSchema = optional(
     typeof value === "string" &&
     /^https:\/\/github\.com\/[\w.-]+\/[\w.-]+\/issues\/\d+$/.test(value),
 );
+const companiesSchema = optional(
+  `expected a list of { name, period, frequency } with period one of ${RECENCY.join(" | ")}`,
+  (value): value is Company[] =>
+    Array.isArray(value) &&
+    value.every(
+      (c) =>
+        typeof c?.name === "string" &&
+        RECENCY.includes(c?.period) &&
+        typeof c?.frequency === "number",
+    ),
+);
 
 export default defineConfig({
   title: "prdlk",
@@ -102,6 +115,7 @@ export default defineConfig({
       topics: topicsSchema,
       video: videoSchema,
       issue: issueSchema,
+      companies: companiesSchema,
     },
   },
   seo: {
diff --git a/apps/docs/companies.ts b/apps/docs/companies.ts
new file mode 100644
index 0000000..5c37781
--- /dev/null
+++ b/apps/docs/companies.ts
@@ -0,0 +1,36 @@
+/**
+ * The `companies:` frontmatter vocabulary, shared by its writer
+ * (`apps/cli/sync.ts`, from the local DuckDB company-frequency database), its
+ * schema (`blume.config.ts`) and its two readers: the company table under a
+ * problem page's badge row (`components/ProblemBadges.astro`) and the
+ * Companies section of the Appendix (`pages/appendix.astro`), where each
+ * company's card — anchored at `companyHref()` — lists the problems it asked.
+ * Plain data, no Astro imports: sync imports this file under Bun.
+ */
+
+/** The database's recency windows, most recent first; they nest, so a company is filed under the first it appears in. */
+export const RECENCY = ["Thirty Days", "Three Months", "Six Months"] as const;
+export type Recency = (typeof RECENCY)[number];
+
+/** Read under an "Asked within" heading (the company table) or as a row chip (the Appendix card). */
+export const RECENCY_LABEL: Record<Recency, string> = {
+  "Thirty Days": "30 days",
+  "Three Months": "3 months",
+  "Six Months": "6 months",
+};
+
+export interface Company {
+  name: string;
+  /** The most recent window the company asked the problem in. */
+  period: Recency;
+  /** 5–100, relative within the company and window: 100 is its most-asked problem there. */
+  frequency: number;
+}
+
+/** The company's card on the Appendix; `company-` keeps it clear of the tag cards' `#<slug>` ids. */
+export function companyHref(name: string): string {
+  return `/appendix#company-${name
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, "-")
+    .replace(/^-|-$/g, "")}`;
+}
diff --git a/apps/docs/components/ProblemBadges.astro b/apps/docs/components/ProblemBadges.astro
index 0790f7d..1d9db07 100644
--- a/apps/docs/components/ProblemBadges.astro
+++ b/apps/docs/components/ProblemBadges.astro
@@ -1,6 +1,7 @@
 ---
 /**
- * The MDX `wrapper`: the badge row between a page's description and its body.
+ * The MDX `wrapper`: the badge row (and, below it, the company table) between
+ * a page's description and its body.
  * Blume's page template renders the title and description itself and then
  * the MDX content, with no slot in between, so wrapping the content is the
  * only way to land right after the description. MDX hands a wrapper no
@@ -26,12 +27,19 @@
  * - `issue:` (problem pages, written by sync) is the problem's GitHub issue
  *   URL, a neutral "Issue #N" badge with the GitHub mark, right after
  *   "Explanation" at the end of the row.
+ * - `companies:` (problem pages, written by sync; `companies.ts`) is the
+ *   companies that asked the problem in the last six months, a table laid
+ *   out like Blume's TypeTable under the badge row: each company a pill
+ *   linking to its card in the Appendix's Companies section, the most recent
+ *   window it asked in, and its frequency there (relative within that
+ *   company and window, so a bar of 100 is its most-asked problem).
  */
 import { getEntry } from "astro:content";
 import data from "blume:data";
 import Badge from "blume/components/content/Badge.astro";
 import { stripBase, withBase } from "blume/components/islands/base-path.ts";
 import { APPENDIX } from "../appendix.ts";
+import { RECENCY_LABEL, companyHref, type Company } from "../companies.ts";
 import { tagColors } from "../lib/tag-colors.ts";
 import { TOPIC_LANDINGS, tagTarget, type TopicTag } from "../topic-landings.ts";
 
@@ -46,6 +54,7 @@ const entry = at ? await getEntry(at.collection, at.entryId) : undefined;
 const tags: TopicTag[] = entry?.data.topics ?? [];
 const video: string | undefined = entry?.data.video;
 const issue: string | undefined = entry?.data.issue;
+const companies: Company[] = entry?.data.companies ?? [];
 
 const served = new Set<string>(data.routes.map((r: { path: string }) => r.path));
 
@@ -96,6 +105,8 @@ const badges = tags.map((tag) => {
 });
 
 const linkClass = "no-underline transition-opacity hover:opacity-80";
+// TypeTable's column track, so the header and every row align.
+const columns = "grid grid-cols-[2fr_1fr_auto] items-center gap-4";
 ---
 
 {
@@ -131,4 +142,34 @@ const linkClass = "no-underline transition-opacity hover:opacity-80";
   )
 }
 
+{
+  companies.length > 0 && (
+    <div class="not-prose mb-6 rounded-blume border border-border bg-muted/30 p-1.5" data-blume-narration="skip">
+      <div class={`${columns} px-3 py-2 font-medium text-muted-foreground text-xs`}>
+        <span>Company</span>
+        <span>Asked within</span>
+        <span title="Relative within the company and window: 100 is its most-asked problem there">Frequency</span>
+      </div>
+      <div class="mt-1 flex flex-col">
+        {companies.map((c) => (
+          <div class={`${columns} border-border border-t px-3 py-2 text-xs`}>
+            <a href={withBase(companyHref(c.name))} class={linkClass}>
+              <Badge icon="building-2" shape="pill" stroke>
+                {c.name}
+              </Badge>
+            </a>
+            <span class="whitespace-nowrap text-foreground">{RECENCY_LABEL[c.period]}</span>
+            <span class="flex items-center gap-2">
+              <span class="h-1.5 w-16 overflow-hidden rounded-full bg-muted" aria-hidden="true">
+                <span class="block h-full rounded-full bg-accent" style={`width: ${c.frequency}%`} />
+              </span>
+              <code class="w-8 text-right font-mono text-foreground tabular-nums">{Math.round(c.frequency)}</code>
+            </span>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}
+
 <slot />
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/153_find-minimum-in-rotated-sorted-array.mdx b/apps/docs/content/(01-linear-structures)/binary-search/153_find-minimum-in-rotated-sorted-array.mdx
index 8c96a32..e50b85b 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/153_find-minimum-in-rotated-sorted-array.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/153_find-minimum-in-rotated-sorted-array.mdx
@@ -7,6 +7,13 @@ topics:
   - { name: "Binary Search", slug: "binary-search" }
 video: "nIVW4P8b1VA"
 issue: "https://github.com/prdlk/leetcode/issues/62"
+companies:
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "tcs", period: "Six Months", frequency: 43.5 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 40.6 }
+  - { name: "Meta", period: "Six Months", frequency: 32.7 }
 sidebar:
   label: 'Find Minimum in Rotated Sorted Array'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/162_find-peak-element.mdx b/apps/docs/content/(01-linear-structures)/binary-search/162_find-peak-element.mdx
index 81ddfff..2a3440a 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/162_find-peak-element.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/162_find-peak-element.mdx
@@ -6,6 +6,15 @@ topics:
   - { name: "Array", slug: "array" }
   - { name: "Binary Search", slug: "binary-search" }
 issue: "https://github.com/prdlk/leetcode/issues/64"
+companies:
+  - { name: "Infosys", period: "Thirty Days", frequency: 68.6 }
+  - { name: "tcs", period: "Thirty Days", frequency: 67.6 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Meta", period: "Three Months", frequency: 54.8 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Amazon", period: "Three Months", frequency: 34.6 }
+  - { name: "Uber", period: "Six Months", frequency: 67.2 }
 sidebar:
   label: 'Find Peak Element'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/33_search-in-rotated-sorted-array.mdx b/apps/docs/content/(01-linear-structures)/binary-search/33_search-in-rotated-sorted-array.mdx
index aeaf3b5..0a766aa 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/33_search-in-rotated-sorted-array.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/33_search-in-rotated-sorted-array.mdx
@@ -7,6 +7,18 @@ topics:
   - { name: "Binary Search", slug: "binary-search" }
 video: "U8XENwh8Oy8"
 issue: "https://github.com/prdlk/leetcode/issues/60"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "Oracle", period: "Three Months", frequency: 100 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 68.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "TikTok", period: "Six Months", frequency: 64.9 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 63.3 }
+  - { name: "Yandex", period: "Six Months", frequency: 59.6 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 53.1 }
+  - { name: "Apple", period: "Six Months", frequency: 48.1 }
 sidebar:
   label: 'Search in Rotated Sorted Array'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/34_find-first-and-last-position-of-element-in-sorted-array.mdx b/apps/docs/content/(01-linear-structures)/binary-search/34_find-first-and-last-position-of-element-in-sorted-array.mdx
index 4f40541..e2b0617 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/34_find-first-and-last-position-of-element-in-sorted-array.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/34_find-first-and-last-position-of-element-in-sorted-array.mdx
@@ -6,6 +6,17 @@ topics:
   - { name: "Array", slug: "array" }
   - { name: "Binary Search", slug: "binary-search" }
 issue: "https://github.com/prdlk/leetcode/issues/65"
+companies:
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "TikTok", period: "Three Months", frequency: 70.9 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Instacart", period: "Six Months", frequency: 100 }
+  - { name: "Apple", period: "Six Months", frequency: 70.2 }
+  - { name: "Infosys", period: "Six Months", frequency: 56.2 }
 sidebar:
   label: 'Find First and Last Position of Element in Sorted Array'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/35_search-insert-position.mdx b/apps/docs/content/(01-linear-structures)/binary-search/35_search-insert-position.mdx
index c08b610..7911052 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/35_search-insert-position.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/35_search-insert-position.mdx
@@ -7,6 +7,15 @@ topics:
   - { name: "Binary Search", slug: "binary-search" }
 video: "K-RYzDZkzCI"
 issue: "https://github.com/prdlk/leetcode/issues/63"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Grammarly", period: "Three Months", frequency: 84.8 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Meta", period: "Three Months", frequency: 49.8 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Infosys", period: "Six Months", frequency: 56.2 }
 sidebar:
   label: 'Search Insert Position'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/4_median-of-two-sorted-arrays.mdx b/apps/docs/content/(01-linear-structures)/binary-search/4_median-of-two-sorted-arrays.mdx
index ef1dc5b..c5da9ce 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/4_median-of-two-sorted-arrays.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/4_median-of-two-sorted-arrays.mdx
@@ -7,6 +7,19 @@ topics:
   - { name: "Binary Search", slug: "binary-search" }
   - { name: "Divide and Conquer", slug: "divide-and-conquer" }
 issue: "https://github.com/prdlk/leetcode/issues/66"
+companies:
+  - { name: "Rippling", period: "Thirty Days", frequency: 93 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 69.6 }
+  - { name: "Meta", period: "Thirty Days", frequency: 63.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 62 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "eBay", period: "Three Months", frequency: 82.2 }
+  - { name: "Goldman Sachs", period: "Three Months", frequency: 57 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Zoho", period: "Six Months", frequency: 79.6 }
+  - { name: "DE Shaw", period: "Six Months", frequency: 74.2 }
+  - { name: "Apple", period: "Six Months", frequency: 48.1 }
 sidebar:
   label: 'Median of Two Sorted Arrays'
   badge: 'Hard'
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/704_binary-search.mdx b/apps/docs/content/(01-linear-structures)/binary-search/704_binary-search.mdx
index 0015dc8..9f2b6cd 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/704_binary-search.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/704_binary-search.mdx
@@ -7,6 +7,12 @@ topics:
   - { name: "Binary Search", slug: "binary-search" }
 video: "s4DPM8ct1pI"
 issue: "https://github.com/prdlk/leetcode/issues/58"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 53.2 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Meta", period: "Three Months", frequency: 49.8 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Amazon", period: "Three Months", frequency: 39.1 }
 sidebar:
   label: 'Binary Search'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/74_search-a-2d-matrix.mdx b/apps/docs/content/(01-linear-structures)/binary-search/74_search-a-2d-matrix.mdx
index 1e285a9..f19972e 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/74_search-a-2d-matrix.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/74_search-a-2d-matrix.mdx
@@ -8,6 +8,15 @@ topics:
   - { name: "Matrix", slug: "matrix" }
 video: "Ber2pi2C0j0"
 issue: "https://github.com/prdlk/leetcode/issues/61"
+companies:
+  - { name: "Goldman Sachs", period: "Thirty Days", frequency: 62.9 }
+  - { name: "Microsoft", period: "Three Months", frequency: 57.2 }
+  - { name: "Amazon", period: "Three Months", frequency: 34.6 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "SAP", period: "Six Months", frequency: 100 }
+  - { name: "tcs", period: "Six Months", frequency: 43.5 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'Search a 2D Matrix'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/binary-search/875_koko-eating-bananas.mdx b/apps/docs/content/(01-linear-structures)/binary-search/875_koko-eating-bananas.mdx
index 55f7c8f..55a98bc 100644
--- a/apps/docs/content/(01-linear-structures)/binary-search/875_koko-eating-bananas.mdx
+++ b/apps/docs/content/(01-linear-structures)/binary-search/875_koko-eating-bananas.mdx
@@ -7,6 +7,18 @@ topics:
   - { name: "Binary Search", slug: "binary-search" }
 video: "U2SozAs9RzA"
 issue: "https://github.com/prdlk/leetcode/issues/59"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 69.6 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Nvidia", period: "Three Months", frequency: 100 }
+  - { name: "Infosys", period: "Three Months", frequency: 87.4 }
+  - { name: "Meta", period: "Three Months", frequency: 62.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Coupang", period: "Six Months", frequency: 100 }
+  - { name: "Swiggy", period: "Six Months", frequency: 100 }
+  - { name: "Accenture", period: "Six Months", frequency: 75 }
+  - { name: "Microsoft", period: "Six Months", frequency: 56.9 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 44.8 }
 sidebar:
   label: 'Koko Eating Bananas'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/128_longest-consecutive-sequence.mdx b/apps/docs/content/(01-linear-structures)/hash-table/128_longest-consecutive-sequence.mdx
index 7d12ea7..30e38e8 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/128_longest-consecutive-sequence.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/128_longest-consecutive-sequence.mdx
@@ -7,6 +7,18 @@ topics:
   - { name: "Hash Table", slug: "hash-table" }
   - { name: "Union-Find", slug: "union-find" }
 issue: "https://github.com/prdlk/leetcode/issues/34"
+companies:
+  - { name: "tcs", period: "Thirty Days", frequency: 74.3 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 65.8 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "Google", period: "Thirty Days", frequency: 53.2 }
+  - { name: "Apple", period: "Three Months", frequency: 69 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Paytm", period: "Six Months", frequency: 100 }
+  - { name: "Nvidia", period: "Six Months", frequency: 91.1 }
+  - { name: "TikTok", period: "Six Months", frequency: 55.2 }
+  - { name: "Salesforce", period: "Six Months", frequency: 50.2 }
 sidebar:
   label: 'Longest Consecutive Sequence'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/1832_check-if-the-sentence-is-pangram.mdx b/apps/docs/content/(01-linear-structures)/hash-table/1832_check-if-the-sentence-is-pangram.mdx
index 569eee4..e5c3af1 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/1832_check-if-the-sentence-is-pangram.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/1832_check-if-the-sentence-is-pangram.mdx
@@ -5,6 +5,10 @@ icon: dot
 topics:
   - { name: "Hash Table", slug: "hash-table" }
   - { name: "String", slug: "string" }
+companies:
+  - { name: "Bloomberg", period: "Six Months", frequency: 34.2 }
+  - { name: "Amazon", period: "Six Months", frequency: 14.3 }
+  - { name: "Google", period: "Six Months", frequency: 11.8 }
 sidebar:
   label: 'Check if the Sentence Is Pangram'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/1_two-sum.mdx b/apps/docs/content/(01-linear-structures)/hash-table/1_two-sum.mdx
index fb9b7f7..9051be2 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/1_two-sum.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/1_two-sum.mdx
@@ -7,6 +7,35 @@ topics:
   - { name: "Hash Table", slug: "hash-table" }
 video: "KLlXCFG5TnA"
 issue: "https://github.com/prdlk/leetcode/issues/29"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 100 }
+  - { name: "Google", period: "Thirty Days", frequency: 100 }
+  - { name: "Meta", period: "Thirty Days", frequency: 100 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 100 }
+  - { name: "tcs", period: "Thirty Days", frequency: 79.6 }
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 76.7 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Infosys", period: "Thirty Days", frequency: 68.6 }
+  - { name: "Altimetrik", period: "Three Months", frequency: 100 }
+  - { name: "Capgemini", period: "Three Months", frequency: 100 }
+  - { name: "Microstrategy", period: "Three Months", frequency: 100 }
+  - { name: "MongoDB", period: "Three Months", frequency: 100 }
+  - { name: "Cognizant", period: "Three Months", frequency: 88.7 }
+  - { name: "Apple", period: "Three Months", frequency: 80.4 }
+  - { name: "Barclays", period: "Six Months", frequency: 100 }
+  - { name: "Cisco", period: "Six Months", frequency: 100 }
+  - { name: "Deloitte", period: "Six Months", frequency: 100 }
+  - { name: "Expedia", period: "Six Months", frequency: 100 }
+  - { name: "NetApp", period: "Six Months", frequency: 100 }
+  - { name: "Samsung", period: "Six Months", frequency: 100 }
+  - { name: "Sony", period: "Six Months", frequency: 100 }
+  - { name: "Oracle", period: "Six Months", frequency: 91.2 }
+  - { name: "Qualcomm", period: "Six Months", frequency: 80.7 }
+  - { name: "IBM", period: "Six Months", frequency: 77.2 }
+  - { name: "eBay", period: "Six Months", frequency: 75.2 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 70.5 }
+  - { name: "Flipkart", period: "Six Months", frequency: 57.1 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 44.8 }
 sidebar:
   label: 'Two Sum'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/205_isomorphic-strings.mdx b/apps/docs/content/(01-linear-structures)/hash-table/205_isomorphic-strings.mdx
index 7879b52..ee92d2a 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/205_isomorphic-strings.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/205_isomorphic-strings.mdx
@@ -6,6 +6,13 @@ topics:
   - { name: "Hash Table", slug: "hash-table" }
   - { name: "String", slug: "string" }
 issue: "https://github.com/prdlk/leetcode/issues/33"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Meta", period: "Six Months", frequency: 24.5 }
 sidebar:
   label: 'Isomorphic Strings'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/217_contains-duplicate.mdx b/apps/docs/content/(01-linear-structures)/hash-table/217_contains-duplicate.mdx
index f8b5398..1d33321 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/217_contains-duplicate.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/217_contains-duplicate.mdx
@@ -8,6 +8,12 @@ topics:
   - { name: "Sorting", slug: "sorting" }
 video: "3OamzN90kPg"
 issue: "https://github.com/prdlk/leetcode/issues/27"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
 sidebar:
   label: 'Contains Duplicate'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/242_valid-anagram.mdx b/apps/docs/content/(01-linear-structures)/hash-table/242_valid-anagram.mdx
index 2dfcf22..347e8e9 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/242_valid-anagram.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/242_valid-anagram.mdx
@@ -8,6 +8,16 @@ topics:
   - { name: "Sorting", slug: "sorting" }
 video: "9UtInBqnCgA"
 issue: "https://github.com/prdlk/leetcode/issues/28"
+companies:
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "tcs", period: "Thirty Days", frequency: 58.2 }
+  - { name: "Google", period: "Thirty Days", frequency: 53.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "IBM", period: "Three Months", frequency: 100 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 64.4 }
+  - { name: "Meta", period: "Three Months", frequency: 58.9 }
+  - { name: "Deloitte", period: "Six Months", frequency: 81 }
 sidebar:
   label: 'Valid Anagram'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/290_word-pattern.mdx b/apps/docs/content/(01-linear-structures)/hash-table/290_word-pattern.mdx
index d5131a4..f58640d 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/290_word-pattern.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/290_word-pattern.mdx
@@ -6,6 +6,10 @@ topics:
   - { name: "Hash Table", slug: "hash-table" }
   - { name: "String", slug: "string" }
 issue: "https://github.com/prdlk/leetcode/issues/35"
+companies:
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
+  - { name: "Amazon", period: "Six Months", frequency: 20.9 }
 sidebar:
   label: 'Word Pattern'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/347_top-k-frequent-elements.mdx b/apps/docs/content/(01-linear-structures)/hash-table/347_top-k-frequent-elements.mdx
index 5e344ba..b00d098 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/347_top-k-frequent-elements.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/347_top-k-frequent-elements.mdx
@@ -13,6 +13,23 @@ topics:
   - { name: "Quickselect", slug: "quickselect" }
 video: "YPTqKIgVk-k"
 issue: "https://github.com/prdlk/leetcode/issues/31"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 72.9 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 42.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Snap", period: "Six Months", frequency: 100 }
+  - { name: "SoFi", period: "Six Months", frequency: 100 }
+  - { name: "PayPal", period: "Six Months", frequency: 88.4 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 81.4 }
+  - { name: "Nvidia", period: "Six Months", frequency: 78.7 }
+  - { name: "eBay", period: "Six Months", frequency: 75.2 }
+  - { name: "Visa", period: "Six Months", frequency: 69.7 }
+  - { name: "Snowflake", period: "Six Months", frequency: 58.7 }
+  - { name: "TikTok", period: "Six Months", frequency: 55.2 }
+  - { name: "Meta", period: "Six Months", frequency: 50.6 }
+  - { name: "Apple", period: "Six Months", frequency: 48.1 }
+  - { name: "tcs", period: "Six Months", frequency: 43.5 }
 sidebar:
   label: 'Top K Frequent Elements'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/387_first-unique-character-in-a-string.mdx b/apps/docs/content/(01-linear-structures)/hash-table/387_first-unique-character-in-a-string.mdx
index 4fc7f6d..7fb9fb7 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/387_first-unique-character-in-a-string.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/387_first-unique-character-in-a-string.mdx
@@ -8,6 +8,16 @@ topics:
   - { name: "Queue", slug: "queue" }
   - { name: "Counting", slug: "counting" }
 video: "rBENYgWy3xU"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Yandex", period: "Three Months", frequency: 76.1 }
+  - { name: "tcs", period: "Three Months", frequency: 73.7 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "EPAM Systems", period: "Six Months", frequency: 76.2 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 59 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
 sidebar:
   label: 'First Unique Character in a String'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/451_sort-characters-by-frequency.mdx b/apps/docs/content/(01-linear-structures)/hash-table/451_sort-characters-by-frequency.mdx
index b741a32..d2b3638 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/451_sort-characters-by-frequency.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/451_sort-characters-by-frequency.mdx
@@ -10,6 +10,12 @@ topics:
   - { name: "Bucket Sort", slug: "bucket-sort" }
   - { name: "Counting", slug: "counting" }
 video: "OXdXc9HTrIg"
+companies:
+  - { name: "Meta", period: "Three Months", frequency: 49.8 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Amazon", period: "Six Months", frequency: 20.9 }
 sidebar:
   label: 'Sort Characters By Frequency'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/hash-table/49_group-anagrams.mdx b/apps/docs/content/(01-linear-structures)/hash-table/49_group-anagrams.mdx
index fe121e2..f329d59 100644
--- a/apps/docs/content/(01-linear-structures)/hash-table/49_group-anagrams.mdx
+++ b/apps/docs/content/(01-linear-structures)/hash-table/49_group-anagrams.mdx
@@ -9,6 +9,31 @@ topics:
   - { name: "Sorting", slug: "sorting" }
 video: "vzdNOK2oB2E"
 issue: "https://github.com/prdlk/leetcode/issues/30"
+companies:
+  - { name: "Apple", period: "Thirty Days", frequency: 100 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 78.4 }
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 76.7 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "tcs", period: "Thirty Days", frequency: 58.2 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "CrowdStrike", period: "Three Months", frequency: 100 }
+  - { name: "Deloitte", period: "Three Months", frequency: 100 }
+  - { name: "HashedIn", period: "Three Months", frequency: 100 }
+  - { name: "Smartsheet", period: "Three Months", frequency: 100 }
+  - { name: "Walmart Labs", period: "Three Months", frequency: 100 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Expedia", period: "Six Months", frequency: 100 }
+  - { name: "Wipro", period: "Six Months", frequency: 100 }
+  - { name: "Adobe", period: "Six Months", frequency: 93.7 }
+  - { name: "Zoho", period: "Six Months", frequency: 79.6 }
+  - { name: "Nvidia", period: "Six Months", frequency: 78.7 }
+  - { name: "Oracle", period: "Six Months", frequency: 78.7 }
+  - { name: "EPAM Systems", period: "Six Months", frequency: 76.2 }
+  - { name: "Palo Alto Networks", period: "Six Months", frequency: 75.9 }
+  - { name: "Visa", period: "Six Months", frequency: 69.7 }
+  - { name: "Infosys", period: "Six Months", frequency: 67.9 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 53.1 }
 sidebar:
   label: 'Group Anagrams'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/monotonic-stack/496_next-greater-element-i.mdx b/apps/docs/content/(01-linear-structures)/monotonic-stack/496_next-greater-element-i.mdx
index 1f30bbc..3bd2aa8 100644
--- a/apps/docs/content/(01-linear-structures)/monotonic-stack/496_next-greater-element-i.mdx
+++ b/apps/docs/content/(01-linear-structures)/monotonic-stack/496_next-greater-element-i.mdx
@@ -8,6 +8,13 @@ topics:
   - { name: "Stack", slug: "stack" }
   - { name: "Monotonic Stack", slug: "monotonic-stack" }
 issue: "https://github.com/prdlk/leetcode/issues/74"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 46.6 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 59.7 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "tcs", period: "Six Months", frequency: 43.5 }
 sidebar:
   label: 'Next Greater Element I'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/monotonic-stack/739_daily-temperatures.mdx b/apps/docs/content/(01-linear-structures)/monotonic-stack/739_daily-temperatures.mdx
index 7dd5670..067c6c3 100644
--- a/apps/docs/content/(01-linear-structures)/monotonic-stack/739_daily-temperatures.mdx
+++ b/apps/docs/content/(01-linear-structures)/monotonic-stack/739_daily-temperatures.mdx
@@ -8,6 +8,16 @@ topics:
   - { name: "Monotonic Stack", slug: "monotonic-stack" }
 video: "cTBiBSnjO3c"
 issue: "https://github.com/prdlk/leetcode/issues/72"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Chime", period: "Three Months", frequency: 100 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 59.7 }
+  - { name: "Amazon", period: "Three Months", frequency: 42.8 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Anduril", period: "Six Months", frequency: 92.8 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 44.8 }
+  - { name: "tcs", period: "Six Months", frequency: 43.5 }
+  - { name: "Microsoft", period: "Six Months", frequency: 42.5 }
 sidebar:
   label: 'Daily Temperatures'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/monotonic-stack/84_largest-rectangle-in-histogram.mdx b/apps/docs/content/(01-linear-structures)/monotonic-stack/84_largest-rectangle-in-histogram.mdx
index 012cf9d..298b6a4 100644
--- a/apps/docs/content/(01-linear-structures)/monotonic-stack/84_largest-rectangle-in-histogram.mdx
+++ b/apps/docs/content/(01-linear-structures)/monotonic-stack/84_largest-rectangle-in-histogram.mdx
@@ -8,6 +8,14 @@ topics:
   - { name: "Monotonic Stack", slug: "monotonic-stack" }
   - { name: "Range Minimum/Maximum Query", slug: "range-minimum-maximum-query" }
 issue: "https://github.com/prdlk/leetcode/issues/76"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Accenture", period: "Three Months", frequency: 88.6 }
+  - { name: "tcs", period: "Three Months", frequency: 73.7 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
 sidebar:
   label: 'Largest Rectangle in Histogram'
   badge: 'Hard'
diff --git a/apps/docs/content/(01-linear-structures)/monotonic-stack/853_car-fleet.mdx b/apps/docs/content/(01-linear-structures)/monotonic-stack/853_car-fleet.mdx
index 596b9a5..f85c38e 100644
--- a/apps/docs/content/(01-linear-structures)/monotonic-stack/853_car-fleet.mdx
+++ b/apps/docs/content/(01-linear-structures)/monotonic-stack/853_car-fleet.mdx
@@ -9,6 +9,9 @@ topics:
   - { name: "Monotonic Stack", slug: "monotonic-stack" }
 video: "Pr6T-3yB9RM"
 issue: "https://github.com/prdlk/leetcode/issues/73"
+companies:
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Amazon", period: "Six Months", frequency: 26 }
 sidebar:
   label: 'Car Fleet'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/monotonic-stack/901_online-stock-span.mdx b/apps/docs/content/(01-linear-structures)/monotonic-stack/901_online-stock-span.mdx
index 7286338..c95cb1f 100644
--- a/apps/docs/content/(01-linear-structures)/monotonic-stack/901_online-stock-span.mdx
+++ b/apps/docs/content/(01-linear-structures)/monotonic-stack/901_online-stock-span.mdx
@@ -8,6 +8,11 @@ topics:
   - { name: "Monotonic Stack", slug: "monotonic-stack" }
   - { name: "Data Stream", slug: "data-stream" }
 issue: "https://github.com/prdlk/leetcode/issues/75"
+companies:
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Amazon", period: "Six Months", frequency: 26 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'Online Stock Span'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/prefix-sum/238_product-of-array-except-self.mdx b/apps/docs/content/(01-linear-structures)/prefix-sum/238_product-of-array-except-self.mdx
index af5e828..ce699dd 100644
--- a/apps/docs/content/(01-linear-structures)/prefix-sum/238_product-of-array-except-self.mdx
+++ b/apps/docs/content/(01-linear-structures)/prefix-sum/238_product-of-array-except-self.mdx
@@ -7,6 +7,14 @@ topics:
   - { name: "Prefix Sum", slug: "prefix-sum" }
 video: "bNvIQI2wAjk"
 issue: "https://github.com/prdlk/leetcode/issues/37"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 70.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 61.3 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "Google", period: "Thirty Days", frequency: 42.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 59.7 }
+  - { name: "Asana", period: "Six Months", frequency: 100 }
+  - { name: "tcs", period: "Six Months", frequency: 43.5 }
 sidebar:
   label: 'Product of Array Except Self'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/prefix-sum/303_range-sum-query-immutable.mdx b/apps/docs/content/(01-linear-structures)/prefix-sum/303_range-sum-query-immutable.mdx
index 03f223c..9a80ada 100644
--- a/apps/docs/content/(01-linear-structures)/prefix-sum/303_range-sum-query-immutable.mdx
+++ b/apps/docs/content/(01-linear-structures)/prefix-sum/303_range-sum-query-immutable.mdx
@@ -8,6 +8,11 @@ topics:
   - { name: "Prefix Sum", slug: "prefix-sum" }
 video: "2pndAmo_sMA"
 issue: "https://github.com/prdlk/leetcode/issues/36"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 42.3 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Meta", period: "Six Months", frequency: 24.5 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Range Sum Query - Immutable'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/prefix-sum/525_contiguous-array.mdx b/apps/docs/content/(01-linear-structures)/prefix-sum/525_contiguous-array.mdx
index 372c87b..e53bb94 100644
--- a/apps/docs/content/(01-linear-structures)/prefix-sum/525_contiguous-array.mdx
+++ b/apps/docs/content/(01-linear-structures)/prefix-sum/525_contiguous-array.mdx
@@ -7,6 +7,14 @@ topics:
   - { name: "Hash Table", slug: "hash-table" }
   - { name: "Prefix Sum", slug: "prefix-sum" }
 issue: "https://github.com/prdlk/leetcode/issues/39"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Cisco", period: "Three Months", frequency: 100 }
+  - { name: "Meta", period: "Three Months", frequency: 49.8 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Akamai", period: "Six Months", frequency: 100 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 40.6 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
 sidebar:
   label: 'Contiguous Array'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/prefix-sum/560_subarray-sum-equals-k.mdx b/apps/docs/content/(01-linear-structures)/prefix-sum/560_subarray-sum-equals-k.mdx
index 4e2c017..75f9f71 100644
--- a/apps/docs/content/(01-linear-structures)/prefix-sum/560_subarray-sum-equals-k.mdx
+++ b/apps/docs/content/(01-linear-structures)/prefix-sum/560_subarray-sum-equals-k.mdx
@@ -8,6 +8,21 @@ topics:
   - { name: "Prefix Sum", slug: "prefix-sum" }
 video: "fFVZt-6sgyo"
 issue: "https://github.com/prdlk/leetcode/issues/38"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 63.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "Visa", period: "Three Months", frequency: 80.9 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 74.8 }
+  - { name: "Salesforce", period: "Three Months", frequency: 64.7 }
+  - { name: "Amazon", period: "Three Months", frequency: 57.1 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "Accenture", period: "Six Months", frequency: 100 }
+  - { name: "IBM", period: "Six Months", frequency: 94.5 }
+  - { name: "Infosys", period: "Six Months", frequency: 76.3 }
+  - { name: "Apple", period: "Six Months", frequency: 74.7 }
+  - { name: "josh technology", period: "Six Months", frequency: 74 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 70.5 }
+  - { name: "Yandex", period: "Six Months", frequency: 69.2 }
 sidebar:
   label: 'Subarray Sum Equals K'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/prefix-sum/974_subarray-sums-divisible-by-k.mdx b/apps/docs/content/(01-linear-structures)/prefix-sum/974_subarray-sums-divisible-by-k.mdx
index 23a4bcd..7172816 100644
--- a/apps/docs/content/(01-linear-structures)/prefix-sum/974_subarray-sums-divisible-by-k.mdx
+++ b/apps/docs/content/(01-linear-structures)/prefix-sum/974_subarray-sums-divisible-by-k.mdx
@@ -7,6 +7,12 @@ topics:
   - { name: "Hash Table", slug: "hash-table" }
   - { name: "Prefix Sum", slug: "prefix-sum" }
 issue: "https://github.com/prdlk/leetcode/issues/40"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "TikTok", period: "Three Months", frequency: 70.9 }
+  - { name: "Amazon", period: "Three Months", frequency: 21.2 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Subarray Sums Divisible by K'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/sliding-window/1004_max-consecutive-ones-iii.mdx b/apps/docs/content/(01-linear-structures)/sliding-window/1004_max-consecutive-ones-iii.mdx
index 028ddce..03187b2 100644
--- a/apps/docs/content/(01-linear-structures)/sliding-window/1004_max-consecutive-ones-iii.mdx
+++ b/apps/docs/content/(01-linear-structures)/sliding-window/1004_max-consecutive-ones-iii.mdx
@@ -8,6 +8,17 @@ topics:
   - { name: "Sliding Window", slug: "sliding-window" }
   - { name: "Prefix Sum", slug: "prefix-sum" }
 issue: "https://github.com/prdlk/leetcode/issues/56"
+companies:
+  - { name: "EPAM Systems", period: "Thirty Days", frequency: 89.8 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Tekion", period: "Three Months", frequency: 100 }
+  - { name: "DE Shaw", period: "Three Months", frequency: 80.2 }
+  - { name: "Google", period: "Three Months", frequency: 38.7 }
+  - { name: "Infosys", period: "Six Months", frequency: 67.9 }
+  - { name: "Yandex", period: "Six Months", frequency: 59.6 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 54.1 }
+  - { name: "Microsoft", period: "Six Months", frequency: 42.5 }
 sidebar:
   label: 'Max Consecutive Ones III'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/sliding-window/121_best-time-to-buy-and-sell-stock.mdx b/apps/docs/content/(01-linear-structures)/sliding-window/121_best-time-to-buy-and-sell-stock.mdx
index 6d359e5..532b5ad 100644
--- a/apps/docs/content/(01-linear-structures)/sliding-window/121_best-time-to-buy-and-sell-stock.mdx
+++ b/apps/docs/content/(01-linear-structures)/sliding-window/121_best-time-to-buy-and-sell-stock.mdx
@@ -7,6 +7,26 @@ topics:
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
 video: "1pkOgXD63yU"
 issue: "https://github.com/prdlk/leetcode/issues/50"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Infosys", period: "Thirty Days", frequency: 80.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 69.6 }
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Google", period: "Thirty Days", frequency: 65.3 }
+  - { name: "tcs", period: "Thirty Days", frequency: 58.2 }
+  - { name: "Atlassian", period: "Three Months", frequency: 100 }
+  - { name: "Media.net", period: "Three Months", frequency: 100 }
+  - { name: "Nvidia", period: "Three Months", frequency: 87.7 }
+  - { name: "Meta", period: "Three Months", frequency: 70.4 }
+  - { name: "Apple", period: "Three Months", frequency: 69 }
+  - { name: "Microsoft", period: "Three Months", frequency: 60.5 }
+  - { name: "Mastercard", period: "Six Months", frequency: 79 }
+  - { name: "Accenture", period: "Six Months", frequency: 75 }
+  - { name: "Adobe", period: "Six Months", frequency: 74.3 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 70.5 }
+  - { name: "IBM", period: "Six Months", frequency: 70.1 }
+  - { name: "TikTok", period: "Six Months", frequency: 55.2 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 53.1 }
 sidebar:
   label: 'Best Time to Buy and Sell Stock'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/sliding-window/209_minimum-size-subarray-sum.mdx b/apps/docs/content/(01-linear-structures)/sliding-window/209_minimum-size-subarray-sum.mdx
index f2cdfd4..88d21de 100644
--- a/apps/docs/content/(01-linear-structures)/sliding-window/209_minimum-size-subarray-sum.mdx
+++ b/apps/docs/content/(01-linear-structures)/sliding-window/209_minimum-size-subarray-sum.mdx
@@ -8,6 +8,12 @@ topics:
   - { name: "Sliding Window", slug: "sliding-window" }
   - { name: "Prefix Sum", slug: "prefix-sum" }
 issue: "https://github.com/prdlk/leetcode/issues/54"
+companies:
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Google", period: "Three Months", frequency: 45 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
 sidebar:
   label: 'Minimum Size Subarray Sum'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/sliding-window/3_longest-substring-without-repeating-characters.mdx b/apps/docs/content/(01-linear-structures)/sliding-window/3_longest-substring-without-repeating-characters.mdx
index 4c50c41..c785db2 100644
--- a/apps/docs/content/(01-linear-structures)/sliding-window/3_longest-substring-without-repeating-characters.mdx
+++ b/apps/docs/content/(01-linear-structures)/sliding-window/3_longest-substring-without-repeating-characters.mdx
@@ -8,6 +8,35 @@ topics:
   - { name: "Sliding Window", slug: "sliding-window" }
 video: "wiGpQwVHdE0"
 issue: "https://github.com/prdlk/leetcode/issues/51"
+companies:
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 100 }
+  - { name: "Visa", period: "Thirty Days", frequency: 100 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 84.9 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 75.6 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Meta", period: "Thirty Days", frequency: 63.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 63.7 }
+  - { name: "tcs", period: "Thirty Days", frequency: 58.2 }
+  - { name: "Cognizant", period: "Three Months", frequency: 100 }
+  - { name: "Optum", period: "Three Months", frequency: 100 }
+  - { name: "Spotify", period: "Three Months", frequency: 100 }
+  - { name: "Deloitte", period: "Three Months", frequency: 89.1 }
+  - { name: "Infosys", period: "Three Months", frequency: 87.4 }
+  - { name: "Apple", period: "Three Months", frequency: 69 }
+  - { name: "Goldman Sachs", period: "Three Months", frequency: 66.3 }
+  - { name: "Media.net", period: "Six Months", frequency: 100 }
+  - { name: "Wipro", period: "Six Months", frequency: 100 }
+  - { name: "Wissen Technology", period: "Six Months", frequency: 100 }
+  - { name: "Zoho", period: "Six Months", frequency: 100 }
+  - { name: "Qualcomm", period: "Six Months", frequency: 92 }
+  - { name: "Turing", period: "Six Months", frequency: 89 }
+  - { name: "EPAM Systems", period: "Six Months", frequency: 86.7 }
+  - { name: "Netflix", period: "Six Months", frequency: 83.1 }
+  - { name: "Tesla", period: "Six Months", frequency: 80.9 }
+  - { name: "Yandex", period: "Six Months", frequency: 69.2 }
+  - { name: "Agoda", period: "Six Months", frequency: 65 }
+  - { name: "IBM", period: "Six Months", frequency: 60.1 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 54.1 }
 sidebar:
   label: 'Longest Substring Without Repeating Characters'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/sliding-window/424_longest-repeating-character-replacement.mdx b/apps/docs/content/(01-linear-structures)/sliding-window/424_longest-repeating-character-replacement.mdx
index 49d055c..185b036 100644
--- a/apps/docs/content/(01-linear-structures)/sliding-window/424_longest-repeating-character-replacement.mdx
+++ b/apps/docs/content/(01-linear-structures)/sliding-window/424_longest-repeating-character-replacement.mdx
@@ -8,6 +8,15 @@ topics:
   - { name: "Sliding Window", slug: "sliding-window" }
 video: "gqXU1UyA8pk"
 issue: "https://github.com/prdlk/leetcode/issues/52"
+companies:
+  - { name: "Zoho", period: "Thirty Days", frequency: 100 }
+  - { name: "Google", period: "Thirty Days", frequency: 46.6 }
+  - { name: "DE Shaw", period: "Three Months", frequency: 91.8 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Amazon", period: "Three Months", frequency: 34.6 }
+  - { name: "Meta", period: "Six Months", frequency: 32.7 }
 sidebar:
   label: 'Longest Repeating Character Replacement'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/sliding-window/567_permutation-in-string.mdx b/apps/docs/content/(01-linear-structures)/sliding-window/567_permutation-in-string.mdx
index e5271fc..9dd06f8 100644
--- a/apps/docs/content/(01-linear-structures)/sliding-window/567_permutation-in-string.mdx
+++ b/apps/docs/content/(01-linear-structures)/sliding-window/567_permutation-in-string.mdx
@@ -9,6 +9,14 @@ topics:
   - { name: "Sliding Window", slug: "sliding-window" }
 video: "UbyhOgBN834"
 issue: "https://github.com/prdlk/leetcode/issues/53"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 63.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Apple", period: "Six Months", frequency: 48.1 }
 sidebar:
   label: 'Permutation in String'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/sliding-window/643_maximum-average-subarray-i.mdx b/apps/docs/content/(01-linear-structures)/sliding-window/643_maximum-average-subarray-i.mdx
index bc7bd91..b629029 100644
--- a/apps/docs/content/(01-linear-structures)/sliding-window/643_maximum-average-subarray-i.mdx
+++ b/apps/docs/content/(01-linear-structures)/sliding-window/643_maximum-average-subarray-i.mdx
@@ -6,6 +6,13 @@ topics:
   - { name: "Array", slug: "array" }
   - { name: "Sliding Window", slug: "sliding-window" }
 issue: "https://github.com/prdlk/leetcode/issues/55"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 55.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "tcs", period: "Three Months", frequency: 57.2 }
+  - { name: "Meta", period: "Six Months", frequency: 32.7 }
 sidebar:
   label: 'Maximum Average Subarray I'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/sliding-window/76_minimum-window-substring.mdx b/apps/docs/content/(01-linear-structures)/sliding-window/76_minimum-window-substring.mdx
index 4f278fd..6b355b5 100644
--- a/apps/docs/content/(01-linear-structures)/sliding-window/76_minimum-window-substring.mdx
+++ b/apps/docs/content/(01-linear-structures)/sliding-window/76_minimum-window-substring.mdx
@@ -7,6 +7,15 @@ topics:
   - { name: "String", slug: "string" }
   - { name: "Sliding Window", slug: "sliding-window" }
 issue: "https://github.com/prdlk/leetcode/issues/57"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 55.9 }
+  - { name: "Lyft", period: "Three Months", frequency: 93.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "Oracle", period: "Six Months", frequency: 78.7 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 44.8 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'Minimum Window Substring'
   badge: 'Hard'
diff --git a/apps/docs/content/(01-linear-structures)/stack/150_evaluate-reverse-polish-notation.mdx b/apps/docs/content/(01-linear-structures)/stack/150_evaluate-reverse-polish-notation.mdx
index 4efc5c2..844a9cc 100644
--- a/apps/docs/content/(01-linear-structures)/stack/150_evaluate-reverse-polish-notation.mdx
+++ b/apps/docs/content/(01-linear-structures)/stack/150_evaluate-reverse-polish-notation.mdx
@@ -8,6 +8,12 @@ topics:
   - { name: "Stack", slug: "stack" }
 video: "iu0082c4HDE"
 issue: "https://github.com/prdlk/leetcode/issues/69"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Yandex", period: "Six Months", frequency: 59.6 }
+  - { name: "Meta", period: "Six Months", frequency: 38.7 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'Evaluate Reverse Polish Notation'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/stack/155_min-stack.mdx b/apps/docs/content/(01-linear-structures)/stack/155_min-stack.mdx
index 16781d0..0fd28a5 100644
--- a/apps/docs/content/(01-linear-structures)/stack/155_min-stack.mdx
+++ b/apps/docs/content/(01-linear-structures)/stack/155_min-stack.mdx
@@ -7,6 +7,15 @@ topics:
   - { name: "Design", slug: "design" }
 video: "qkLl7nAwDPo"
 issue: "https://github.com/prdlk/leetcode/issues/68"
+companies:
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "Google", period: "Three Months", frequency: 28.8 }
+  - { name: "Odoo", period: "Six Months", frequency: 100 }
+  - { name: "UiPath", period: "Six Months", frequency: 100 }
+  - { name: "Infosys", period: "Six Months", frequency: 67.9 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 45.6 }
 sidebar:
   label: 'Min Stack'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/stack/20_valid-parentheses.mdx b/apps/docs/content/(01-linear-structures)/stack/20_valid-parentheses.mdx
index 8119a36..cc3dbf4 100644
--- a/apps/docs/content/(01-linear-structures)/stack/20_valid-parentheses.mdx
+++ b/apps/docs/content/(01-linear-structures)/stack/20_valid-parentheses.mdx
@@ -8,6 +8,24 @@ topics:
   - { name: "Bracket Sequences", slug: "bracket-sequences" }
 video: "WTzjTskDFMg"
 issue: "https://github.com/prdlk/leetcode/issues/67"
+companies:
+  - { name: "BlackRock", period: "Thirty Days", frequency: 100 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 61.3 }
+  - { name: "Google", period: "Thirty Days", frequency: 42.3 }
+  - { name: "Accolite", period: "Three Months", frequency: 100 }
+  - { name: "Intuit", period: "Three Months", frequency: 73.2 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 68.3 }
+  - { name: "Meta", period: "Three Months", frequency: 65.3 }
+  - { name: "tcs", period: "Three Months", frequency: 57.2 }
+  - { name: "Autodesk", period: "Six Months", frequency: 100 }
+  - { name: "Criteo", period: "Six Months", frequency: 100 }
+  - { name: "Odoo", period: "Six Months", frequency: 100 }
+  - { name: "Tripadvisor", period: "Six Months", frequency: 100 }
+  - { name: "Virtu Financial", period: "Six Months", frequency: 100 }
+  - { name: "IBM", period: "Six Months", frequency: 91.1 }
+  - { name: "Epic Systems", period: "Six Months", frequency: 89.6 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 85.6 }
 sidebar:
   label: 'Valid Parentheses'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/stack/224_basic-calculator.mdx b/apps/docs/content/(01-linear-structures)/stack/224_basic-calculator.mdx
index 4655e52..c630827 100644
--- a/apps/docs/content/(01-linear-structures)/stack/224_basic-calculator.mdx
+++ b/apps/docs/content/(01-linear-structures)/stack/224_basic-calculator.mdx
@@ -8,6 +8,12 @@ topics:
   - { name: "Stack", slug: "stack" }
   - { name: "Recursion", slug: "recursion" }
 issue: "https://github.com/prdlk/leetcode/issues/71"
+companies:
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "Meta", period: "Six Months", frequency: 24.5 }
 sidebar:
   label: 'Basic Calculator'
   badge: 'Hard'
diff --git a/apps/docs/content/(01-linear-structures)/stack/71_simplify-path.mdx b/apps/docs/content/(01-linear-structures)/stack/71_simplify-path.mdx
index 185a0b1..5160bbd 100644
--- a/apps/docs/content/(01-linear-structures)/stack/71_simplify-path.mdx
+++ b/apps/docs/content/(01-linear-structures)/stack/71_simplify-path.mdx
@@ -6,6 +6,13 @@ topics:
   - { name: "String", slug: "string" }
   - { name: "Stack", slug: "stack" }
 issue: "https://github.com/prdlk/leetcode/issues/70"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Google", period: "Three Months", frequency: 28.8 }
+  - { name: "Amazon", period: "Three Months", frequency: 21.2 }
+  - { name: "Snowflake", period: "Six Months", frequency: 58.7 }
+  - { name: "Meta", period: "Six Months", frequency: 50.6 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Simplify Path'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/11_container-with-most-water.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/11_container-with-most-water.mdx
index c3c7b73..8743dab 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/11_container-with-most-water.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/11_container-with-most-water.mdx
@@ -8,6 +8,18 @@ topics:
   - { name: "Greedy", slug: "greedy" }
 video: "UuiTKBwPgAo"
 issue: "https://github.com/prdlk/leetcode/issues/44"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 75.8 }
+  - { name: "Infosys", period: "Thirty Days", frequency: 68.6 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "tcs", period: "Thirty Days", frequency: 67.6 }
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Google", period: "Thirty Days", frequency: 62 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Goldman Sachs", period: "Three Months", frequency: 57 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 70.5 }
+  - { name: "IBM", period: "Six Months", frequency: 60.1 }
 sidebar:
   label: 'Container With Most Water'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/125_valid-palindrome.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/125_valid-palindrome.mdx
index 9c57972..3a44767 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/125_valid-palindrome.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/125_valid-palindrome.mdx
@@ -7,6 +7,18 @@ topics:
   - { name: "String", slug: "string" }
 video: "jJXJ16kPFWg"
 issue: "https://github.com/prdlk/leetcode/issues/41"
+companies:
+  - { name: "tcs", period: "Thirty Days", frequency: 58.2 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 79.9 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Deloitte", period: "Six Months", frequency: 81 }
+  - { name: "Cognizant", period: "Six Months", frequency: 76.3 }
+  - { name: "Axon", period: "Six Months", frequency: 75.4 }
+  - { name: "Apple", period: "Six Months", frequency: 64.8 }
 sidebar:
   label: 'Valid Palindrome'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/15_3sum.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/15_3sum.mdx
index 8b76afd..ba98efa 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/15_3sum.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/15_3sum.mdx
@@ -8,6 +8,22 @@ topics:
   - { name: "Sorting", slug: "sorting" }
 video: "jzZsG8n2R9A"
 issue: "https://github.com/prdlk/leetcode/issues/43"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 69.6 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 66.8 }
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Meta", period: "Thirty Days", frequency: 63.8 }
+  - { name: "Apple", period: "Three Months", frequency: 80.4 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "tcs", period: "Three Months", frequency: 57.2 }
+  - { name: "Cisco", period: "Six Months", frequency: 100 }
+  - { name: "Wissen Technology", period: "Six Months", frequency: 100 }
+  - { name: "eBay", period: "Six Months", frequency: 75.2 }
+  - { name: "Accenture", period: "Six Months", frequency: 75 }
+  - { name: "Visa", period: "Six Months", frequency: 69.7 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 53.1 }
 sidebar:
   label: '3Sum'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/167_two-sum-ii-input-array-is-sorted.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/167_two-sum-ii-input-array-is-sorted.mdx
index aadccd2..16def17 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/167_two-sum-ii-input-array-is-sorted.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/167_two-sum-ii-input-array-is-sorted.mdx
@@ -8,6 +8,14 @@ topics:
   - { name: "Binary Search", slug: "binary-search" }
 video: "cQ1Oz4ckceM"
 issue: "https://github.com/prdlk/leetcode/issues/42"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 65.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 46.6 }
+  - { name: "tcs", period: "Three Months", frequency: 57.2 }
+  - { name: "Meta", period: "Three Months", frequency: 54.8 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Oracle", period: "Six Months", frequency: 78.7 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 40.6 }
 sidebar:
   label: 'Two Sum II - Input Array Is Sorted'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/189_rotate-array.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/189_rotate-array.mdx
index 3caa8d1..17cc969 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/189_rotate-array.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/189_rotate-array.mdx
@@ -7,6 +7,17 @@ topics:
   - { name: "Math", slug: "math" }
   - { name: "Two Pointers", slug: "two-pointers" }
 issue: "https://github.com/prdlk/leetcode/issues/47"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 46.6 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "tcs", period: "Three Months", frequency: 57.2 }
+  - { name: "Meta", period: "Three Months", frequency: 54.8 }
+  - { name: "Box", period: "Six Months", frequency: 100 }
+  - { name: "TikTok", period: "Six Months", frequency: 55.2 }
+  - { name: "Apple", period: "Six Months", frequency: 48.1 }
 sidebar:
   label: 'Rotate Array'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/344_reverse-string.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/344_reverse-string.mdx
index a421e58..b1ef7c9 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/344_reverse-string.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/344_reverse-string.mdx
@@ -6,6 +6,14 @@ topics:
   - { name: "Two Pointers", slug: "two-pointers" }
   - { name: "String", slug: "string" }
 video: "_d0T_2Lk2qA"
+companies:
+  - { name: "tcs", period: "Thirty Days", frequency: 58.2 }
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Qualcomm", period: "Six Months", frequency: 80.7 }
 sidebar:
   label: 'Reverse String'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/392_is-subsequence.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/392_is-subsequence.mdx
index 1127717..1f01e5b 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/392_is-subsequence.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/392_is-subsequence.mdx
@@ -8,6 +8,12 @@ topics:
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
 video: "99RVfqklbCE"
 issue: "https://github.com/prdlk/leetcode/issues/45"
+companies:
+  - { name: "Amazon", period: "Three Months", frequency: 34.6 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
+  - { name: "Google", period: "Six Months", frequency: 25.4 }
+  - { name: "Meta", period: "Six Months", frequency: 24.5 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Is Subsequence'
   badge: 'Easy'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/42_trapping-rain-water.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/42_trapping-rain-water.mdx
index 13b33ac..3b23d13 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/42_trapping-rain-water.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/42_trapping-rain-water.mdx
@@ -9,6 +9,20 @@ topics:
   - { name: "Stack", slug: "stack" }
   - { name: "Monotonic Stack", slug: "monotonic-stack" }
 issue: "https://github.com/prdlk/leetcode/issues/211"
+companies:
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 90.7 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 80.7 }
+  - { name: "Goldman Sachs", period: "Thirty Days", frequency: 71.7 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Infosys", period: "Thirty Days", frequency: 68.6 }
+  - { name: "Google", period: "Thirty Days", frequency: 63.7 }
+  - { name: "Snowflake", period: "Three Months", frequency: 90.3 }
+  - { name: "Meta", period: "Three Months", frequency: 58.9 }
+  - { name: "Microsoft", period: "Three Months", frequency: 57.2 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Docusign", period: "Six Months", frequency: 100 }
+  - { name: "Qualcomm", period: "Six Months", frequency: 80.7 }
+  - { name: "Nvidia", period: "Six Months", frequency: 78.7 }
 sidebar:
   label: 'Trapping Rain Water'
   badge: 'Hard'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/80_remove-duplicates-from-sorted-array-ii.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/80_remove-duplicates-from-sorted-array-ii.mdx
index e6c758f..0e63a46 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/80_remove-duplicates-from-sorted-array-ii.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/80_remove-duplicates-from-sorted-array-ii.mdx
@@ -6,6 +6,10 @@ topics:
   - { name: "Array", slug: "array" }
   - { name: "Two Pointers", slug: "two-pointers" }
 issue: "https://github.com/prdlk/leetcode/issues/48"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Amazon", period: "Three Months", frequency: 34.6 }
+  - { name: "Meta", period: "Six Months", frequency: 32.7 }
 sidebar:
   label: 'Remove Duplicates from Sorted Array II'
   badge: 'Medium'
diff --git a/apps/docs/content/(01-linear-structures)/two-pointers/977_squares-of-a-sorted-array.mdx b/apps/docs/content/(01-linear-structures)/two-pointers/977_squares-of-a-sorted-array.mdx
index a2bde27..c833ec7 100644
--- a/apps/docs/content/(01-linear-structures)/two-pointers/977_squares-of-a-sorted-array.mdx
+++ b/apps/docs/content/(01-linear-structures)/two-pointers/977_squares-of-a-sorted-array.mdx
@@ -8,6 +8,15 @@ topics:
   - { name: "Sorting", slug: "sorting" }
 video: "FPCZsG_AkUg"
 issue: "https://github.com/prdlk/leetcode/issues/46"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 42.3 }
+  - { name: "Instacart", period: "Three Months", frequency: 100 }
+  - { name: "Uber", period: "Three Months", frequency: 80 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Meta", period: "Three Months", frequency: 49.8 }
+  - { name: "Amazon", period: "Three Months", frequency: 46 }
+  - { name: "tcs", period: "Six Months", frequency: 60 }
+  - { name: "Yandex", period: "Six Months", frequency: 59.6 }
 sidebar:
   label: 'Squares of a Sorted Array'
   badge: 'Easy'
diff --git a/apps/docs/content/(02-nodal-grid)/hybrid-structures/146_lru-cache.mdx b/apps/docs/content/(02-nodal-grid)/hybrid-structures/146_lru-cache.mdx
index 06de793..db531b9 100644
--- a/apps/docs/content/(02-nodal-grid)/hybrid-structures/146_lru-cache.mdx
+++ b/apps/docs/content/(02-nodal-grid)/hybrid-structures/146_lru-cache.mdx
@@ -9,6 +9,35 @@ topics:
   - { name: "Doubly-Linked List", slug: "doubly-linked-list" }
 video: "7ABFKPK2hD4"
 issue: "https://github.com/prdlk/leetcode/issues/87"
+companies:
+  - { name: "NetApp", period: "Thirty Days", frequency: 100 }
+  - { name: "Adobe", period: "Thirty Days", frequency: 83.5 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 69.6 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "TikTok", period: "Three Months", frequency: 100 }
+  - { name: "Palo Alto Networks", period: "Three Months", frequency: 92.8 }
+  - { name: "Apple", period: "Three Months", frequency: 88.5 }
+  - { name: "Goldman Sachs", period: "Three Months", frequency: 66.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 53.2 }
+  - { name: "Airwallex", period: "Six Months", frequency: 100 }
+  - { name: "Docusign", period: "Six Months", frequency: 100 }
+  - { name: "Moloco", period: "Six Months", frequency: 100 }
+  - { name: "Nutanix", period: "Six Months", frequency: 100 }
+  - { name: "Oracle", period: "Six Months", frequency: 100 }
+  - { name: "Twitch", period: "Six Months", frequency: 100 }
+  - { name: "Snap", period: "Six Months", frequency: 92.4 }
+  - { name: "Qualcomm", period: "Six Months", frequency: 92 }
+  - { name: "Nvidia", period: "Six Months", frequency: 91.1 }
+  - { name: "ByteDance", period: "Six Months", frequency: 88.6 }
+  - { name: "MongoDB", period: "Six Months", frequency: 87.7 }
+  - { name: "Expedia", period: "Six Months", frequency: 87.5 }
+  - { name: "eBay", period: "Six Months", frequency: 86.1 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 74.9 }
+  - { name: "Visa", period: "Six Months", frequency: 69.7 }
+  - { name: "Uber", period: "Six Months", frequency: 61.9 }
+  - { name: "Salesforce", period: "Six Months", frequency: 50.2 }
 sidebar:
   label: 'LRU Cache'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/hybrid-structures/2_add-two-numbers.mdx b/apps/docs/content/(02-nodal-grid)/hybrid-structures/2_add-two-numbers.mdx
index 62837b6..f139ea2 100644
--- a/apps/docs/content/(02-nodal-grid)/hybrid-structures/2_add-two-numbers.mdx
+++ b/apps/docs/content/(02-nodal-grid)/hybrid-structures/2_add-two-numbers.mdx
@@ -8,6 +8,17 @@ topics:
   - { name: "Recursion", slug: "recursion" }
 video: "wgFPrzTjm7s"
 issue: "https://github.com/prdlk/leetcode/issues/88"
+companies:
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 95.8 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Google", period: "Thirty Days", frequency: 72.8 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Meta", period: "Thirty Days", frequency: 63.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 61.3 }
+  - { name: "EarnIn", period: "Six Months", frequency: 100 }
+  - { name: "Jane Street", period: "Six Months", frequency: 100 }
+  - { name: "Palo Alto Networks", period: "Six Months", frequency: 75.9 }
+  - { name: "tcs", period: "Six Months", frequency: 43.5 }
 sidebar:
   label: 'Add Two Numbers'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/hybrid-structures/380_insert-delete-getrandom-o1.mdx b/apps/docs/content/(02-nodal-grid)/hybrid-structures/380_insert-delete-getrandom-o1.mdx
index b912348..683ec80 100644
--- a/apps/docs/content/(02-nodal-grid)/hybrid-structures/380_insert-delete-getrandom-o1.mdx
+++ b/apps/docs/content/(02-nodal-grid)/hybrid-structures/380_insert-delete-getrandom-o1.mdx
@@ -9,6 +9,19 @@ topics:
   - { name: "Design", slug: "design" }
   - { name: "Randomized", slug: "randomized" }
 issue: "https://github.com/prdlk/leetcode/issues/90"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Apple", period: "Three Months", frequency: 80.4 }
+  - { name: "Google", period: "Three Months", frequency: 32.7 }
+  - { name: "Axon", period: "Six Months", frequency: 100 }
+  - { name: "Okta", period: "Six Months", frequency: 100 }
+  - { name: "Quora", period: "Six Months", frequency: 100 }
+  - { name: "SoFi", period: "Six Months", frequency: 100 }
+  - { name: "Uber", period: "Six Months", frequency: 61.9 }
+  - { name: "Yandex", period: "Six Months", frequency: 59.6 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 54.1 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Insert Delete GetRandom O(1)'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/linked-list/141_linked-list-cycle.mdx b/apps/docs/content/(02-nodal-grid)/linked-list/141_linked-list-cycle.mdx
index a0d73a5..af0a9ff 100644
--- a/apps/docs/content/(02-nodal-grid)/linked-list/141_linked-list-cycle.mdx
+++ b/apps/docs/content/(02-nodal-grid)/linked-list/141_linked-list-cycle.mdx
@@ -9,6 +9,13 @@ topics:
   - { name: "Floyd's Cycle Finding Algorithm", slug: "floyds-cycle-finding-algorithm" }
 video: "gBTe7lFR3vc"
 issue: "https://github.com/prdlk/leetcode/issues/79"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Nvidia", period: "Three Months", frequency: 87.7 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'Linked List Cycle'
   badge: 'Easy'
diff --git a/apps/docs/content/(02-nodal-grid)/linked-list/143_reorder-list.mdx b/apps/docs/content/(02-nodal-grid)/linked-list/143_reorder-list.mdx
index 925f7fd..6f07213 100644
--- a/apps/docs/content/(02-nodal-grid)/linked-list/143_reorder-list.mdx
+++ b/apps/docs/content/(02-nodal-grid)/linked-list/143_reorder-list.mdx
@@ -8,6 +8,12 @@ topics:
   - { name: "Stack", slug: "stack" }
   - { name: "Recursion", slug: "recursion" }
 issue: "https://github.com/prdlk/leetcode/issues/81"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 42.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Amazon", period: "Three Months", frequency: 21.2 }
 sidebar:
   label: 'Reorder List'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/linked-list/19_remove-nth-node-from-end-of-list.mdx b/apps/docs/content/(02-nodal-grid)/linked-list/19_remove-nth-node-from-end-of-list.mdx
index f379d4c..76dc23c 100644
--- a/apps/docs/content/(02-nodal-grid)/linked-list/19_remove-nth-node-from-end-of-list.mdx
+++ b/apps/docs/content/(02-nodal-grid)/linked-list/19_remove-nth-node-from-end-of-list.mdx
@@ -6,6 +6,12 @@ topics:
   - { name: "Linked List", slug: "linked-list" }
   - { name: "Two Pointers", slug: "two-pointers" }
 issue: "https://github.com/prdlk/leetcode/issues/80"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Amazon", period: "Three Months", frequency: 51.1 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Remove Nth Node From End of List'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/linked-list/206_reverse-linked-list.mdx b/apps/docs/content/(02-nodal-grid)/linked-list/206_reverse-linked-list.mdx
index 7a86f6a..981e1e1 100644
--- a/apps/docs/content/(02-nodal-grid)/linked-list/206_reverse-linked-list.mdx
+++ b/apps/docs/content/(02-nodal-grid)/linked-list/206_reverse-linked-list.mdx
@@ -7,6 +7,16 @@ topics:
   - { name: "Recursion", slug: "recursion" }
 video: "G0_I-ZF0S38"
 issue: "https://github.com/prdlk/leetcode/issues/77"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Nokia", period: "Three Months", frequency: 100 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "tcs", period: "Three Months", frequency: 57.2 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Apple", period: "Six Months", frequency: 78.4 }
 sidebar:
   label: 'Reverse Linked List'
   badge: 'Easy'
diff --git a/apps/docs/content/(02-nodal-grid)/linked-list/21_merge-two-sorted-lists.mdx b/apps/docs/content/(02-nodal-grid)/linked-list/21_merge-two-sorted-lists.mdx
index 089d412..dab4cab 100644
--- a/apps/docs/content/(02-nodal-grid)/linked-list/21_merge-two-sorted-lists.mdx
+++ b/apps/docs/content/(02-nodal-grid)/linked-list/21_merge-two-sorted-lists.mdx
@@ -7,6 +7,13 @@ topics:
   - { name: "Recursion", slug: "recursion" }
 video: "XIdigk956u0"
 issue: "https://github.com/prdlk/leetcode/issues/78"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Accenture", period: "Six Months", frequency: 75 }
 sidebar:
   label: 'Merge Two Sorted Lists'
   badge: 'Easy'
diff --git a/apps/docs/content/(02-nodal-grid)/linked-list/82_remove-duplicates-from-sorted-list-ii.mdx b/apps/docs/content/(02-nodal-grid)/linked-list/82_remove-duplicates-from-sorted-list-ii.mdx
index ab37ac5..50775ba 100644
--- a/apps/docs/content/(02-nodal-grid)/linked-list/82_remove-duplicates-from-sorted-list-ii.mdx
+++ b/apps/docs/content/(02-nodal-grid)/linked-list/82_remove-duplicates-from-sorted-list-ii.mdx
@@ -6,6 +6,11 @@ topics:
   - { name: "Linked List", slug: "linked-list" }
   - { name: "Two Pointers", slug: "two-pointers" }
 issue: "https://github.com/prdlk/leetcode/issues/84"
+companies:
+  - { name: "Amazon", period: "Three Months", frequency: 34.6 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 34.2 }
+  - { name: "Meta", period: "Six Months", frequency: 24.5 }
 sidebar:
   label: 'Remove Duplicates from Sorted List II'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/linked-list/876_middle-of-the-linked-list.mdx b/apps/docs/content/(02-nodal-grid)/linked-list/876_middle-of-the-linked-list.mdx
index 2a635cb..d74cb39 100644
--- a/apps/docs/content/(02-nodal-grid)/linked-list/876_middle-of-the-linked-list.mdx
+++ b/apps/docs/content/(02-nodal-grid)/linked-list/876_middle-of-the-linked-list.mdx
@@ -6,6 +6,13 @@ topics:
   - { name: "Linked List", slug: "linked-list" }
   - { name: "Two Pointers", slug: "two-pointers" }
 issue: "https://github.com/prdlk/leetcode/issues/82"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "Meta", period: "Three Months", frequency: 49.8 }
+  - { name: "Amazon", period: "Three Months", frequency: 39.1 }
+  - { name: "IBM", period: "Six Months", frequency: 60.1 }
+  - { name: "Microsoft", period: "Six Months", frequency: 37.9 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'Middle of the Linked List'
   badge: 'Easy'
diff --git a/apps/docs/content/(02-nodal-grid)/linked-list/92_reverse-linked-list-ii.mdx b/apps/docs/content/(02-nodal-grid)/linked-list/92_reverse-linked-list-ii.mdx
index ac67e24..444acce 100644
--- a/apps/docs/content/(02-nodal-grid)/linked-list/92_reverse-linked-list-ii.mdx
+++ b/apps/docs/content/(02-nodal-grid)/linked-list/92_reverse-linked-list-ii.mdx
@@ -5,6 +5,11 @@ icon: dot
 topics:
   - { name: "Linked List", slug: "linked-list" }
 issue: "https://github.com/prdlk/leetcode/issues/83"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Google", period: "Three Months", frequency: 28.8 }
 sidebar:
   label: 'Reverse Linked List II'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/matrix-index-math/36_valid-sudoku.mdx b/apps/docs/content/(02-nodal-grid)/matrix-index-math/36_valid-sudoku.mdx
index 49d3553..cfec90d 100644
--- a/apps/docs/content/(02-nodal-grid)/matrix-index-math/36_valid-sudoku.mdx
+++ b/apps/docs/content/(02-nodal-grid)/matrix-index-math/36_valid-sudoku.mdx
@@ -7,6 +7,14 @@ topics:
   - { name: "Hash Table", slug: "hash-table" }
   - { name: "Matrix", slug: "matrix" }
 issue: "https://github.com/prdlk/leetcode/issues/94"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Apple", period: "Three Months", frequency: 69 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "Confluent", period: "Six Months", frequency: 100 }
+  - { name: "Meta", period: "Six Months", frequency: 32.7 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
 sidebar:
   label: 'Valid Sudoku'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/matrix-index-math/48_rotate-image.mdx b/apps/docs/content/(02-nodal-grid)/matrix-index-math/48_rotate-image.mdx
index f414b6b..39f6b2d 100644
--- a/apps/docs/content/(02-nodal-grid)/matrix-index-math/48_rotate-image.mdx
+++ b/apps/docs/content/(02-nodal-grid)/matrix-index-math/48_rotate-image.mdx
@@ -8,6 +8,15 @@ topics:
   - { name: "Matrix", slug: "matrix" }
 video: "fMSJSS7eO1w"
 issue: "https://github.com/prdlk/leetcode/issues/91"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Google", period: "Three Months", frequency: 51.1 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Apple", period: "Six Months", frequency: 64.8 }
+  - { name: "Capital One", period: "Six Months", frequency: 64.2 }
+  - { name: "IBM", period: "Six Months", frequency: 60.1 }
 sidebar:
   label: 'Rotate Image'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/matrix-index-math/54_spiral-matrix.mdx b/apps/docs/content/(02-nodal-grid)/matrix-index-math/54_spiral-matrix.mdx
index 97b3921..be20afb 100644
--- a/apps/docs/content/(02-nodal-grid)/matrix-index-math/54_spiral-matrix.mdx
+++ b/apps/docs/content/(02-nodal-grid)/matrix-index-math/54_spiral-matrix.mdx
@@ -8,6 +8,17 @@ topics:
   - { name: "Simulation", slug: "simulation" }
 video: "BJnMZNwUk1M"
 issue: "https://github.com/prdlk/leetcode/issues/92"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "Amazon", period: "Three Months", frequency: 46 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Capital One", period: "Six Months", frequency: 73.8 }
+  - { name: "tcs", period: "Six Months", frequency: 69.7 }
+  - { name: "Apple", period: "Six Months", frequency: 64.8 }
+  - { name: "Infosys", period: "Six Months", frequency: 56.2 }
+  - { name: "TikTok", period: "Six Months", frequency: 55.2 }
 sidebar:
   label: 'Spiral Matrix'
   badge: 'Medium'
diff --git a/apps/docs/content/(02-nodal-grid)/matrix-index-math/73_set-matrix-zeroes.mdx b/apps/docs/content/(02-nodal-grid)/matrix-index-math/73_set-matrix-zeroes.mdx
index ee22440..5ff91e2 100644
--- a/apps/docs/content/(02-nodal-grid)/matrix-index-math/73_set-matrix-zeroes.mdx
+++ b/apps/docs/content/(02-nodal-grid)/matrix-index-math/73_set-matrix-zeroes.mdx
@@ -8,6 +8,13 @@ topics:
   - { name: "Matrix", slug: "matrix" }
 video: "T41rL0L3Pnw"
 issue: "https://github.com/prdlk/leetcode/issues/93"
+companies:
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Amazon", period: "Three Months", frequency: 48.7 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Google", period: "Three Months", frequency: 32.7 }
+  - { name: "tcs", period: "Six Months", frequency: 43.5 }
 sidebar:
   label: 'Set Matrix Zeroes'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/binary-search-tree/230_kth-smallest-element-in-a-bst.mdx b/apps/docs/content/(03-hierarchical)/binary-search-tree/230_kth-smallest-element-in-a-bst.mdx
index 2c1481e..d6321ff 100644
--- a/apps/docs/content/(03-hierarchical)/binary-search-tree/230_kth-smallest-element-in-a-bst.mdx
+++ b/apps/docs/content/(03-hierarchical)/binary-search-tree/230_kth-smallest-element-in-a-bst.mdx
@@ -9,6 +9,13 @@ topics:
   - { name: "Binary Tree", slug: "binary-tree" }
 video: "5LUXSvjmGCw"
 issue: "https://github.com/prdlk/leetcode/issues/112"
+companies:
+  - { name: "tcs", period: "Thirty Days", frequency: 74.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Uber", period: "Six Months", frequency: 71.5 }
+  - { name: "Meta", period: "Six Months", frequency: 24.5 }
 sidebar:
   label: 'Kth Smallest Element in a BST'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/binary-search-tree/235_lowest-common-ancestor-of-a-binary-search-tree.mdx b/apps/docs/content/(03-hierarchical)/binary-search-tree/235_lowest-common-ancestor-of-a-binary-search-tree.mdx
index 7a78c59..a18acf5 100644
--- a/apps/docs/content/(03-hierarchical)/binary-search-tree/235_lowest-common-ancestor-of-a-binary-search-tree.mdx
+++ b/apps/docs/content/(03-hierarchical)/binary-search-tree/235_lowest-common-ancestor-of-a-binary-search-tree.mdx
@@ -11,6 +11,12 @@ topics:
   - { name: "Lowest Common Ancestor", slug: "lowest-common-ancestor" }
 video: "gs2LMfuOR9k"
 issue: "https://github.com/prdlk/leetcode/issues/113"
+companies:
+  - { name: "BlackRock", period: "Thirty Days", frequency: 76.6 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
+  - { name: "Amazon", period: "Six Months", frequency: 30.1 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
+  - { name: "Google", period: "Six Months", frequency: 21.9 }
 sidebar:
   label: 'Lowest Common Ancestor of a Binary Search Tree'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/binary-search-tree/98_validate-binary-search-tree.mdx b/apps/docs/content/(03-hierarchical)/binary-search-tree/98_validate-binary-search-tree.mdx
index 84c14c7..74b2890 100644
--- a/apps/docs/content/(03-hierarchical)/binary-search-tree/98_validate-binary-search-tree.mdx
+++ b/apps/docs/content/(03-hierarchical)/binary-search-tree/98_validate-binary-search-tree.mdx
@@ -9,6 +9,13 @@ topics:
   - { name: "Binary Tree", slug: "binary-tree" }
 video: "s6ATEkipzow"
 issue: "https://github.com/prdlk/leetcode/issues/111"
+companies:
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 76.7 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Amazon", period: "Three Months", frequency: 34.6 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
 sidebar:
   label: 'Validate Binary Search Tree'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/heap-priority-queue/215_kth-largest-element-in-an-array.mdx b/apps/docs/content/(03-hierarchical)/heap-priority-queue/215_kth-largest-element-in-an-array.mdx
index 9c52705..a15271f 100644
--- a/apps/docs/content/(03-hierarchical)/heap-priority-queue/215_kth-largest-element-in-an-array.mdx
+++ b/apps/docs/content/(03-hierarchical)/heap-priority-queue/215_kth-largest-element-in-an-array.mdx
@@ -10,6 +10,18 @@ topics:
   - { name: "Quickselect", slug: "quickselect" }
 video: "XEmy13g1Qxc"
 issue: "https://github.com/prdlk/leetcode/issues/118"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 70.8 }
+  - { name: "Spotify", period: "Three Months", frequency: 90.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Google", period: "Three Months", frequency: 32.7 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 70.5 }
+  - { name: "IBM", period: "Six Months", frequency: 70.1 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 63.3 }
+  - { name: "Flipkart", period: "Six Months", frequency: 57.1 }
+  - { name: "TikTok", period: "Six Months", frequency: 55.2 }
+  - { name: "Microsoft", period: "Six Months", frequency: 37.9 }
 sidebar:
   label: 'Kth Largest Element in an Array'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/heap-priority-queue/23_merge-k-sorted-lists.mdx b/apps/docs/content/(03-hierarchical)/heap-priority-queue/23_merge-k-sorted-lists.mdx
index 8cbeb85..5b7c852 100644
--- a/apps/docs/content/(03-hierarchical)/heap-priority-queue/23_merge-k-sorted-lists.mdx
+++ b/apps/docs/content/(03-hierarchical)/heap-priority-queue/23_merge-k-sorted-lists.mdx
@@ -10,6 +10,18 @@ topics:
   - { name: "Tournament Sort", slug: "tournament-sort" }
 video: "q5a5OiGbT6Q"
 issue: "https://github.com/prdlk/leetcode/issues/120"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "FreshWorks", period: "Three Months", frequency: 100 }
+  - { name: "Snap", period: "Three Months", frequency: 100 }
+  - { name: "Deloitte", period: "Three Months", frequency: 89.1 }
+  - { name: "Salesforce", period: "Three Months", frequency: 64.7 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "Nvidia", period: "Six Months", frequency: 78.7 }
+  - { name: "Apple", period: "Six Months", frequency: 57.9 }
 sidebar:
   label: 'Merge k Sorted Lists'
   badge: 'Hard'
diff --git a/apps/docs/content/(03-hierarchical)/heap-priority-queue/973_k-closest-points-to-origin.mdx b/apps/docs/content/(03-hierarchical)/heap-priority-queue/973_k-closest-points-to-origin.mdx
index 401f18d..1d3836f 100644
--- a/apps/docs/content/(03-hierarchical)/heap-priority-queue/973_k-closest-points-to-origin.mdx
+++ b/apps/docs/content/(03-hierarchical)/heap-priority-queue/973_k-closest-points-to-origin.mdx
@@ -13,6 +13,10 @@ topics:
   - { name: "K-D Tree", slug: "k-d-tree" }
 video: "rI2EBUEMfTk"
 issue: "https://github.com/prdlk/leetcode/issues/119"
+companies:
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "Meta", period: "Six Months", frequency: 47.3 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'K Closest Points to Origin'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/tree-bfs/102_binary-tree-level-order-traversal.mdx b/apps/docs/content/(03-hierarchical)/tree-bfs/102_binary-tree-level-order-traversal.mdx
index 283919d..34d5e37 100644
--- a/apps/docs/content/(03-hierarchical)/tree-bfs/102_binary-tree-level-order-traversal.mdx
+++ b/apps/docs/content/(03-hierarchical)/tree-bfs/102_binary-tree-level-order-traversal.mdx
@@ -8,6 +8,12 @@ topics:
   - { name: "Binary Tree", slug: "binary-tree" }
 video: "6ZnyEApgFYg"
 issue: "https://github.com/prdlk/leetcode/issues/106"
+companies:
+  - { name: "Google", period: "Three Months", frequency: 41 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'Binary Tree Level Order Traversal'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/tree-bfs/1448_count-good-nodes-in-binary-tree.mdx b/apps/docs/content/(03-hierarchical)/tree-bfs/1448_count-good-nodes-in-binary-tree.mdx
index e1ca428..eb509c4 100644
--- a/apps/docs/content/(03-hierarchical)/tree-bfs/1448_count-good-nodes-in-binary-tree.mdx
+++ b/apps/docs/content/(03-hierarchical)/tree-bfs/1448_count-good-nodes-in-binary-tree.mdx
@@ -9,6 +9,9 @@ topics:
   - { name: "Binary Tree", slug: "binary-tree" }
 video: "7cp5imvDzl4"
 issue: "https://github.com/prdlk/leetcode/issues/108"
+companies:
+  - { name: "josh technology", period: "Six Months", frequency: 74 }
+  - { name: "Google", period: "Six Months", frequency: 11.8 }
 sidebar:
   label: 'Count Good Nodes in Binary Tree'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/tree-bfs/199_binary-tree-right-side-view.mdx b/apps/docs/content/(03-hierarchical)/tree-bfs/199_binary-tree-right-side-view.mdx
index f71c9aa..da9e7e2 100644
--- a/apps/docs/content/(03-hierarchical)/tree-bfs/199_binary-tree-right-side-view.mdx
+++ b/apps/docs/content/(03-hierarchical)/tree-bfs/199_binary-tree-right-side-view.mdx
@@ -9,6 +9,13 @@ topics:
   - { name: "Binary Tree", slug: "binary-tree" }
 video: "d4zLyf32e3I"
 issue: "https://github.com/prdlk/leetcode/issues/107"
+companies:
+  - { name: "Yandex", period: "Three Months", frequency: 76.1 }
+  - { name: "Amazon", period: "Three Months", frequency: 42.8 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "Oracle", period: "Six Months", frequency: 78.7 }
+  - { name: "Meta", period: "Six Months", frequency: 62.3 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
 sidebar:
   label: 'Binary Tree Right Side View'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/tree-dfs/104_maximum-depth-of-binary-tree.mdx b/apps/docs/content/(03-hierarchical)/tree-dfs/104_maximum-depth-of-binary-tree.mdx
index 44086bc..1fb450f 100644
--- a/apps/docs/content/(03-hierarchical)/tree-dfs/104_maximum-depth-of-binary-tree.mdx
+++ b/apps/docs/content/(03-hierarchical)/tree-dfs/104_maximum-depth-of-binary-tree.mdx
@@ -9,6 +9,14 @@ topics:
   - { name: "Binary Tree", slug: "binary-tree" }
 video: "hTM3phVI6YQ"
 issue: "https://github.com/prdlk/leetcode/issues/97"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Google", period: "Thirty Days", frequency: 42.3 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Amazon", period: "Three Months", frequency: 21.2 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 54.1 }
+  - { name: "Meta", period: "Six Months", frequency: 32.7 }
 sidebar:
   label: 'Maximum Depth of Binary Tree'
   badge: 'Easy'
diff --git a/apps/docs/content/(03-hierarchical)/tree-dfs/226_invert-binary-tree.mdx b/apps/docs/content/(03-hierarchical)/tree-dfs/226_invert-binary-tree.mdx
index 9ba052b..f0705f6 100644
--- a/apps/docs/content/(03-hierarchical)/tree-dfs/226_invert-binary-tree.mdx
+++ b/apps/docs/content/(03-hierarchical)/tree-dfs/226_invert-binary-tree.mdx
@@ -9,6 +9,10 @@ topics:
   - { name: "Binary Tree", slug: "binary-tree" }
 video: "OnSn2XEQ4MY"
 issue: "https://github.com/prdlk/leetcode/issues/96"
+companies:
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Meta", period: "Six Months", frequency: 32.7 }
 sidebar:
   label: 'Invert Binary Tree'
   badge: 'Easy'
diff --git a/apps/docs/content/(03-hierarchical)/tree-dfs/236_lowest-common-ancestor-of-a-binary-tree.mdx b/apps/docs/content/(03-hierarchical)/tree-dfs/236_lowest-common-ancestor-of-a-binary-tree.mdx
index c160b8b..3b457c9 100644
--- a/apps/docs/content/(03-hierarchical)/tree-dfs/236_lowest-common-ancestor-of-a-binary-tree.mdx
+++ b/apps/docs/content/(03-hierarchical)/tree-dfs/236_lowest-common-ancestor-of-a-binary-tree.mdx
@@ -9,6 +9,12 @@ topics:
   - { name: "Binary Lifting", slug: "binary-lifting" }
   - { name: "Lowest Common Ancestor", slug: "lowest-common-ancestor" }
 issue: "https://github.com/prdlk/leetcode/issues/98"
+companies:
+  - { name: "BlackRock", period: "Thirty Days", frequency: 76.6 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 55.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Meta", period: "Six Months", frequency: 56.1 }
 sidebar:
   label: 'Lowest Common Ancestor of a Binary Tree'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/trie/208_implement-trie-prefix-tree.mdx b/apps/docs/content/(03-hierarchical)/trie/208_implement-trie-prefix-tree.mdx
index 015aa09..2aed07c 100644
--- a/apps/docs/content/(03-hierarchical)/trie/208_implement-trie-prefix-tree.mdx
+++ b/apps/docs/content/(03-hierarchical)/trie/208_implement-trie-prefix-tree.mdx
@@ -9,6 +9,12 @@ topics:
   - { name: "Trie", slug: "trie" }
 video: "oobqoCJlHA0"
 issue: "https://github.com/prdlk/leetcode/issues/127"
+companies:
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Apple", period: "Six Months", frequency: 48.1 }
+  - { name: "Microsoft", period: "Six Months", frequency: 37.9 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 34.2 }
 sidebar:
   label: 'Implement Trie (Prefix Tree)'
   badge: 'Medium'
diff --git a/apps/docs/content/(03-hierarchical)/trie/211_design-add-and-search-words-data-structure.mdx b/apps/docs/content/(03-hierarchical)/trie/211_design-add-and-search-words-data-structure.mdx
index ab5cb0a..09accf9 100644
--- a/apps/docs/content/(03-hierarchical)/trie/211_design-add-and-search-words-data-structure.mdx
+++ b/apps/docs/content/(03-hierarchical)/trie/211_design-add-and-search-words-data-structure.mdx
@@ -9,6 +9,9 @@ topics:
   - { name: "Trie", slug: "trie" }
 video: "BTf05gs_8iU"
 issue: "https://github.com/prdlk/leetcode/issues/128"
+companies:
+  - { name: "Amazon", period: "Three Months", frequency: 21.2 }
+  - { name: "Snowflake", period: "Six Months", frequency: 58.7 }
 sidebar:
   label: 'Design Add and Search Words Data Structure'
   badge: 'Medium'
diff --git a/apps/docs/content/(04-relational)/graph-bfs/127_word-ladder.mdx b/apps/docs/content/(04-relational)/graph-bfs/127_word-ladder.mdx
index b0ee12e..1012041 100644
--- a/apps/docs/content/(04-relational)/graph-bfs/127_word-ladder.mdx
+++ b/apps/docs/content/(04-relational)/graph-bfs/127_word-ladder.mdx
@@ -8,6 +8,15 @@ topics:
   - { name: "Breadth-First Search", slug: "breadth-first-search" }
   - { name: "Bidirectional Search", slug: "bidirectional-search" }
 issue: "https://github.com/prdlk/leetcode/issues/138"
+companies:
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 55.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Apple", period: "Three Months", frequency: 69 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 46.8 }
+  - { name: "Citadel", period: "Six Months", frequency: 88 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 69.8 }
+  - { name: "Meta", period: "Six Months", frequency: 32.7 }
 sidebar:
   label: 'Word Ladder'
   badge: 'Hard'
diff --git a/apps/docs/content/(04-relational)/graph-bfs/994_rotting-oranges.mdx b/apps/docs/content/(04-relational)/graph-bfs/994_rotting-oranges.mdx
index d6ac80a..fc8b8aa 100644
--- a/apps/docs/content/(04-relational)/graph-bfs/994_rotting-oranges.mdx
+++ b/apps/docs/content/(04-relational)/graph-bfs/994_rotting-oranges.mdx
@@ -7,6 +7,22 @@ topics:
   - { name: "Breadth-First Search", slug: "breadth-first-search" }
   - { name: "Matrix", slug: "matrix" }
 issue: "https://github.com/prdlk/leetcode/issues/137"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 75.8 }
+  - { name: "OpenAI", period: "Thirty Days", frequency: 69.7 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "Google", period: "Thirty Days", frequency: 42.3 }
+  - { name: "Anduril", period: "Three Months", frequency: 94.2 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "Cognizant", period: "Six Months", frequency: 76.3 }
+  - { name: "Lyft", period: "Six Months", frequency: 72.2 }
+  - { name: "Flipkart", period: "Six Months", frequency: 57.1 }
+  - { name: "Pinterest", period: "Six Months", frequency: 55.8 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 54.1 }
+  - { name: "Salesforce", period: "Six Months", frequency: 50.2 }
+  - { name: "Uber", period: "Six Months", frequency: 45.7 }
 sidebar:
   label: 'Rotting Oranges'
   badge: 'Medium'
diff --git a/apps/docs/content/(04-relational)/graph-dfs/133_clone-graph.mdx b/apps/docs/content/(04-relational)/graph-dfs/133_clone-graph.mdx
index b02427a..b957af3 100644
--- a/apps/docs/content/(04-relational)/graph-dfs/133_clone-graph.mdx
+++ b/apps/docs/content/(04-relational)/graph-dfs/133_clone-graph.mdx
@@ -8,6 +8,10 @@ topics:
   - { name: "Breadth-First Search", slug: "breadth-first-search" }
   - { name: "Graph Theory", slug: "graph" }
 issue: "https://github.com/prdlk/leetcode/issues/131"
+companies:
+  - { name: "Amazon", period: "Three Months", frequency: 21.2 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Meta", period: "Six Months", frequency: 24.5 }
 sidebar:
   label: 'Clone Graph'
   badge: 'Medium'
diff --git a/apps/docs/content/(04-relational)/graph-dfs/200_number-of-islands.mdx b/apps/docs/content/(04-relational)/graph-dfs/200_number-of-islands.mdx
index 6d3c78e..3640d0a 100644
--- a/apps/docs/content/(04-relational)/graph-dfs/200_number-of-islands.mdx
+++ b/apps/docs/content/(04-relational)/graph-dfs/200_number-of-islands.mdx
@@ -9,6 +9,32 @@ topics:
   - { name: "Union-Find", slug: "union-find" }
   - { name: "Matrix", slug: "matrix" }
 issue: "https://github.com/prdlk/leetcode/issues/130"
+companies:
+  - { name: "Anduril", period: "Thirty Days", frequency: 100 }
+  - { name: "Apple", period: "Thirty Days", frequency: 81.7 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 65.8 }
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "Qualcomm", period: "Three Months", frequency: 100 }
+  - { name: "TikTok", period: "Three Months", frequency: 89.3 }
+  - { name: "Uber", period: "Three Months", frequency: 72.9 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "Microsoft", period: "Three Months", frequency: 57.2 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Autodesk", period: "Six Months", frequency: 100 }
+  - { name: "ByteDance", period: "Six Months", frequency: 100 }
+  - { name: "Rivian", period: "Six Months", frequency: 100 }
+  - { name: "Snap", period: "Six Months", frequency: 100 }
+  - { name: "Waymo", period: "Six Months", frequency: 100 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 95.1 }
+  - { name: "Visa", period: "Six Months", frequency: 80.9 }
+  - { name: "Nvidia", period: "Six Months", frequency: 78.7 }
+  - { name: "Oracle", period: "Six Months", frequency: 78.7 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 69.8 }
+  - { name: "Yandex", period: "Six Months", frequency: 59.6 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 59 }
 sidebar:
   label: 'Number of Islands'
   badge: 'Medium'
diff --git a/apps/docs/content/(04-relational)/graph-dfs/417_pacific-atlantic-water-flow.mdx b/apps/docs/content/(04-relational)/graph-dfs/417_pacific-atlantic-water-flow.mdx
index 3c28408..419adc6 100644
--- a/apps/docs/content/(04-relational)/graph-dfs/417_pacific-atlantic-water-flow.mdx
+++ b/apps/docs/content/(04-relational)/graph-dfs/417_pacific-atlantic-water-flow.mdx
@@ -8,6 +8,10 @@ topics:
   - { name: "Breadth-First Search", slug: "breadth-first-search" }
   - { name: "Matrix", slug: "matrix" }
 issue: "https://github.com/prdlk/leetcode/issues/132"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Pacific Atlantic Water Flow'
   badge: 'Medium'
diff --git a/apps/docs/content/(04-relational)/topological-sort/207_course-schedule.mdx b/apps/docs/content/(04-relational)/topological-sort/207_course-schedule.mdx
index b122cb2..52c46e3 100644
--- a/apps/docs/content/(04-relational)/topological-sort/207_course-schedule.mdx
+++ b/apps/docs/content/(04-relational)/topological-sort/207_course-schedule.mdx
@@ -9,6 +9,19 @@ topics:
   - { name: "Topological Sort", slug: "topological-sort" }
   - { name: "Directed Acyclic Graph", slug: "directed-acyclic-graph" }
 issue: "https://github.com/prdlk/leetcode/issues/142"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 69.6 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "TikTok", period: "Three Months", frequency: 70.9 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "ByteDance", period: "Six Months", frequency: 88.6 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 70.5 }
+  - { name: "Anduril", period: "Six Months", frequency: 65.4 }
+  - { name: "Snowflake", period: "Six Months", frequency: 58.7 }
+  - { name: "Apple", period: "Six Months", frequency: 57.9 }
+  - { name: "Infosys", period: "Six Months", frequency: 56.2 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 44.8 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
 sidebar:
   label: 'Course Schedule'
   badge: 'Medium'
diff --git a/apps/docs/content/(04-relational)/topological-sort/210_course-schedule-ii.mdx b/apps/docs/content/(04-relational)/topological-sort/210_course-schedule-ii.mdx
index 21d2900..b891f31 100644
--- a/apps/docs/content/(04-relational)/topological-sort/210_course-schedule-ii.mdx
+++ b/apps/docs/content/(04-relational)/topological-sort/210_course-schedule-ii.mdx
@@ -8,6 +8,21 @@ topics:
   - { name: "Graph Theory", slug: "graph" }
   - { name: "Topological Sort", slug: "topological-sort" }
 issue: "https://github.com/prdlk/leetcode/issues/143"
+companies:
+  - { name: "Salesforce", period: "Thirty Days", frequency: 100 }
+  - { name: "Walmart Labs", period: "Thirty Days", frequency: 100 }
+  - { name: "Apple", period: "Three Months", frequency: 80.4 }
+  - { name: "Amazon", period: "Three Months", frequency: 39.1 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "Audible", period: "Six Months", frequency: 100 }
+  - { name: "Aurora", period: "Six Months", frequency: 100 }
+  - { name: "Anduril", period: "Six Months", frequency: 92.8 }
+  - { name: "Netflix", period: "Six Months", frequency: 90.1 }
+  - { name: "DoorDash", period: "Six Months", frequency: 89.7 }
+  - { name: "Snowflake", period: "Six Months", frequency: 79.8 }
+  - { name: "Uber", period: "Six Months", frequency: 55.2 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
 sidebar:
   label: 'Course Schedule II'
   badge: 'Medium'
diff --git a/apps/docs/content/(04-relational)/union-find/684_redundant-connection.mdx b/apps/docs/content/(04-relational)/union-find/684_redundant-connection.mdx
index 18a44f8..46d429b 100644
--- a/apps/docs/content/(04-relational)/union-find/684_redundant-connection.mdx
+++ b/apps/docs/content/(04-relational)/union-find/684_redundant-connection.mdx
@@ -8,6 +8,11 @@ topics:
   - { name: "Union-Find", slug: "union-find" }
   - { name: "Graph Theory", slug: "graph" }
 issue: "https://github.com/prdlk/leetcode/issues/146"
+companies:
+  - { name: "Box", period: "Three Months", frequency: 100 }
+  - { name: "Amazon", period: "Three Months", frequency: 21.2 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Redundant Connection'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/1d-dynamic-programming/198_house-robber.mdx b/apps/docs/content/(05-decision-space)/1d-dynamic-programming/198_house-robber.mdx
index 26564e0..50ff4ca 100644
--- a/apps/docs/content/(05-decision-space)/1d-dynamic-programming/198_house-robber.mdx
+++ b/apps/docs/content/(05-decision-space)/1d-dynamic-programming/198_house-robber.mdx
@@ -6,6 +6,17 @@ topics:
   - { name: "Array", slug: "array" }
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
 issue: "https://github.com/prdlk/leetcode/issues/158"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Infosys", period: "Thirty Days", frequency: 68.6 }
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Google", period: "Thirty Days", frequency: 50.2 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Microsoft", period: "Three Months", frequency: 53.2 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Freecharge", period: "Six Months", frequency: 100 }
+  - { name: "Agoda", period: "Six Months", frequency: 65 }
 sidebar:
   label: 'House Robber'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/1d-dynamic-programming/322_coin-change.mdx b/apps/docs/content/(05-decision-space)/1d-dynamic-programming/322_coin-change.mdx
index ccd7358..19acffb 100644
--- a/apps/docs/content/(05-decision-space)/1d-dynamic-programming/322_coin-change.mdx
+++ b/apps/docs/content/(05-decision-space)/1d-dynamic-programming/322_coin-change.mdx
@@ -9,6 +9,15 @@ topics:
   - { name: "Knapsack Problem", slug: "knapsack-problem" }
   - { name: "Complete Knapsack", slug: "complete-knapsack" }
 issue: "https://github.com/prdlk/leetcode/issues/159"
+companies:
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 59.7 }
+  - { name: "Amazon", period: "Three Months", frequency: 48.7 }
+  - { name: "Intuit", period: "Six Months", frequency: 71.5 }
+  - { name: "Infosys", period: "Six Months", frequency: 67.9 }
+  - { name: "Pinterest", period: "Six Months", frequency: 64.4 }
 sidebar:
   label: 'Coin Change'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/1d-dynamic-programming/70_climbing-stairs.mdx b/apps/docs/content/(05-decision-space)/1d-dynamic-programming/70_climbing-stairs.mdx
index a81d727..7f3692c 100644
--- a/apps/docs/content/(05-decision-space)/1d-dynamic-programming/70_climbing-stairs.mdx
+++ b/apps/docs/content/(05-decision-space)/1d-dynamic-programming/70_climbing-stairs.mdx
@@ -7,6 +7,17 @@ topics:
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
   - { name: "Memoization", slug: "memoization" }
 issue: "https://github.com/prdlk/leetcode/issues/157"
+companies:
+  - { name: "Infosys", period: "Thirty Days", frequency: 80.2 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Intuit", period: "Thirty Days", frequency: 66.1 }
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "Deloitte", period: "Six Months", frequency: 81 }
 sidebar:
   label: 'Climbing Stairs'
   badge: 'Easy'
diff --git a/apps/docs/content/(05-decision-space)/backtracking/39_combination-sum.mdx b/apps/docs/content/(05-decision-space)/backtracking/39_combination-sum.mdx
index cfbe231..2d6201f 100644
--- a/apps/docs/content/(05-decision-space)/backtracking/39_combination-sum.mdx
+++ b/apps/docs/content/(05-decision-space)/backtracking/39_combination-sum.mdx
@@ -6,6 +6,12 @@ topics:
   - { name: "Array", slug: "array" }
   - { name: "Backtracking", slug: "backtracking" }
 issue: "https://github.com/prdlk/leetcode/issues/150"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Google", period: "Three Months", frequency: 41 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Amazon", period: "Six Months", frequency: 30.1 }
 sidebar:
   label: 'Combination Sum'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/backtracking/46_permutations.mdx b/apps/docs/content/(05-decision-space)/backtracking/46_permutations.mdx
index abaad93..348a1d6 100644
--- a/apps/docs/content/(05-decision-space)/backtracking/46_permutations.mdx
+++ b/apps/docs/content/(05-decision-space)/backtracking/46_permutations.mdx
@@ -6,6 +6,14 @@ topics:
   - { name: "Array", slug: "array" }
   - { name: "Backtracking", slug: "backtracking" }
 issue: "https://github.com/prdlk/leetcode/issues/151"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Microsoft", period: "Three Months", frequency: 42.1 }
+  - { name: "Google", period: "Three Months", frequency: 32.7 }
+  - { name: "Infosys", period: "Six Months", frequency: 67.9 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 54.1 }
+  - { name: "Meta", period: "Six Months", frequency: 43.4 }
 sidebar:
   label: 'Permutations'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/backtracking/78_subsets.mdx b/apps/docs/content/(05-decision-space)/backtracking/78_subsets.mdx
index 4527e92..c6b0f11 100644
--- a/apps/docs/content/(05-decision-space)/backtracking/78_subsets.mdx
+++ b/apps/docs/content/(05-decision-space)/backtracking/78_subsets.mdx
@@ -7,6 +7,14 @@ topics:
   - { name: "Backtracking", slug: "backtracking" }
   - { name: "Bit Manipulation", slug: "bit-manipulation" }
 issue: "https://github.com/prdlk/leetcode/issues/149"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 61.3 }
+  - { name: "Agoda", period: "Three Months", frequency: 75.3 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "Meta", period: "Three Months", frequency: 43.3 }
+  - { name: "Google", period: "Three Months", frequency: 23.9 }
+  - { name: "TikTok", period: "Six Months", frequency: 64.9 }
 sidebar:
   label: 'Subsets'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/greedy/134_gas-station.mdx b/apps/docs/content/(05-decision-space)/greedy/134_gas-station.mdx
index 4901b13..03fad14 100644
--- a/apps/docs/content/(05-decision-space)/greedy/134_gas-station.mdx
+++ b/apps/docs/content/(05-decision-space)/greedy/134_gas-station.mdx
@@ -6,6 +6,15 @@ topics:
   - { name: "Array", slug: "array" }
   - { name: "Greedy", slug: "greedy" }
 issue: "https://github.com/prdlk/leetcode/issues/176"
+companies:
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 69.8 }
+  - { name: "Sprinklr", period: "Three Months", frequency: 95.9 }
+  - { name: "TikTok", period: "Three Months", frequency: 70.9 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "Adobe", period: "Six Months", frequency: 74.3 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 44.8 }
+  - { name: "Google", period: "Six Months", frequency: 17.4 }
 sidebar:
   label: 'Gas Station'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/greedy/53_maximum-subarray.mdx b/apps/docs/content/(05-decision-space)/greedy/53_maximum-subarray.mdx
index e5c73b2..97c99c3 100644
--- a/apps/docs/content/(05-decision-space)/greedy/53_maximum-subarray.mdx
+++ b/apps/docs/content/(05-decision-space)/greedy/53_maximum-subarray.mdx
@@ -7,6 +7,16 @@ topics:
   - { name: "Divide and Conquer", slug: "divide-and-conquer" }
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
 issue: "https://github.com/prdlk/leetcode/issues/174"
+companies:
+  - { name: "Upstart", period: "Thirty Days", frequency: 100 }
+  - { name: "Infosys", period: "Thirty Days", frequency: 80.2 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 75.6 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 69.6 }
+  - { name: "Meta", period: "Three Months", frequency: 65.3 }
+  - { name: "Google", period: "Three Months", frequency: 54.6 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "tcs", period: "Three Months", frequency: 47.7 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 85.6 }
 sidebar:
   label: 'Maximum Subarray'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/greedy/55_jump-game.mdx b/apps/docs/content/(05-decision-space)/greedy/55_jump-game.mdx
index 5540d4b..2d42f80 100644
--- a/apps/docs/content/(05-decision-space)/greedy/55_jump-game.mdx
+++ b/apps/docs/content/(05-decision-space)/greedy/55_jump-game.mdx
@@ -7,6 +7,13 @@ topics:
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
   - { name: "Greedy", slug: "greedy" }
 issue: "https://github.com/prdlk/leetcode/issues/175"
+companies:
+  - { name: "Amazon", period: "Thirty Days", frequency: 39.1 }
+  - { name: "Meta", period: "Three Months", frequency: 54.8 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 54 }
+  - { name: "Google", period: "Three Months", frequency: 45 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Infosys", period: "Six Months", frequency: 56.2 }
 sidebar:
   label: 'Jump Game'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/intervals/435_non-overlapping-intervals.mdx b/apps/docs/content/(05-decision-space)/intervals/435_non-overlapping-intervals.mdx
index 37fa35b..00cd5ea 100644
--- a/apps/docs/content/(05-decision-space)/intervals/435_non-overlapping-intervals.mdx
+++ b/apps/docs/content/(05-decision-space)/intervals/435_non-overlapping-intervals.mdx
@@ -8,6 +8,13 @@ topics:
   - { name: "Greedy", slug: "greedy" }
   - { name: "Sorting", slug: "sorting" }
 issue: "https://github.com/prdlk/leetcode/issues/183"
+companies:
+  - { name: "Microsoft", period: "Thirty Days", frequency: 57.2 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Grammarly", period: "Three Months", frequency: 100 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "IBM", period: "Six Months", frequency: 60.1 }
+  - { name: "Bloomberg", period: "Six Months", frequency: 25.5 }
 sidebar:
   label: 'Non-overlapping Intervals'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/intervals/56_merge-intervals.mdx b/apps/docs/content/(05-decision-space)/intervals/56_merge-intervals.mdx
index 04ddab1..cde3670 100644
--- a/apps/docs/content/(05-decision-space)/intervals/56_merge-intervals.mdx
+++ b/apps/docs/content/(05-decision-space)/intervals/56_merge-intervals.mdx
@@ -7,6 +7,39 @@ topics:
   - { name: "Sorting", slug: "sorting" }
   - { name: "Quicksort", slug: "quicksort" }
 issue: "https://github.com/prdlk/leetcode/issues/182"
+companies:
+  - { name: "Palo Alto Networks", period: "Thirty Days", frequency: 100 }
+  - { name: "Bloomberg", period: "Thirty Days", frequency: 83.1 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 75.8 }
+  - { name: "Infosys", period: "Thirty Days", frequency: 68.6 }
+  - { name: "Microsoft", period: "Thirty Days", frequency: 67.9 }
+  - { name: "Meta", period: "Thirty Days", frequency: 53.8 }
+  - { name: "Google", period: "Thirty Days", frequency: 36.7 }
+  - { name: "Apple", period: "Three Months", frequency: 100 }
+  - { name: "Coupang", period: "Three Months", frequency: 100 }
+  - { name: "IBM", period: "Three Months", frequency: 100 }
+  - { name: "MongoDB", period: "Three Months", frequency: 100 }
+  - { name: "Atlassian", period: "Three Months", frequency: 89.6 }
+  - { name: "Salesforce", period: "Three Months", frequency: 88 }
+  - { name: "Yandex", period: "Three Months", frequency: 86.7 }
+  - { name: "Visa", period: "Three Months", frequency: 80.9 }
+  - { name: "Goldman Sachs", period: "Three Months", frequency: 57 }
+  - { name: "American Express", period: "Six Months", frequency: 100 }
+  - { name: "Expedia", period: "Six Months", frequency: 100 }
+  - { name: "General Motors", period: "Six Months", frequency: 100 }
+  - { name: "Nextdoor", period: "Six Months", frequency: 100 }
+  - { name: "Ozon", period: "Six Months", frequency: 100 }
+  - { name: "Ripple", period: "Six Months", frequency: 100 }
+  - { name: "Tesco", period: "Six Months", frequency: 100 }
+  - { name: "Morgan Stanley", period: "Six Months", frequency: 83.1 }
+  - { name: "Walmart Labs", period: "Six Months", frequency: 81.4 }
+  - { name: "Tesla", period: "Six Months", frequency: 80.9 }
+  - { name: "Zoho", period: "Six Months", frequency: 79.6 }
+  - { name: "eBay", period: "Six Months", frequency: 75.2 }
+  - { name: "TikTok", period: "Six Months", frequency: 64.9 }
+  - { name: "Capital One", period: "Six Months", frequency: 64.2 }
+  - { name: "Uber", period: "Six Months", frequency: 55.2 }
+  - { name: "LinkedIn", period: "Six Months", frequency: 54.1 }
 sidebar:
   label: 'Merge Intervals'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/intervals/57_insert-interval.mdx b/apps/docs/content/(05-decision-space)/intervals/57_insert-interval.mdx
index a9bc1c2..b01bd9a 100644
--- a/apps/docs/content/(05-decision-space)/intervals/57_insert-interval.mdx
+++ b/apps/docs/content/(05-decision-space)/intervals/57_insert-interval.mdx
@@ -5,6 +5,10 @@ icon: dot
 topics:
   - { name: "Array", slug: "array" }
 issue: "https://github.com/prdlk/leetcode/issues/181"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Amazon", period: "Three Months", frequency: 39.1 }
+  - { name: "Microsoft", period: "Six Months", frequency: 24.1 }
 sidebar:
   label: 'Insert Interval'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/multi-d-grid-dp/1143_longest-common-subsequence.mdx b/apps/docs/content/(05-decision-space)/multi-d-grid-dp/1143_longest-common-subsequence.mdx
index 433fb71..b41f6a3 100644
--- a/apps/docs/content/(05-decision-space)/multi-d-grid-dp/1143_longest-common-subsequence.mdx
+++ b/apps/docs/content/(05-decision-space)/multi-d-grid-dp/1143_longest-common-subsequence.mdx
@@ -7,6 +7,12 @@ topics:
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
   - { name: "Longest Common Subsequence", slug: "longest-common-subsequence" }
 issue: "https://github.com/prdlk/leetcode/issues/168"
+companies:
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Microsoft", period: "Three Months", frequency: 33.4 }
+  - { name: "Amazon", period: "Three Months", frequency: 28.9 }
+  - { name: "Meta", period: "Six Months", frequency: 38.7 }
 sidebar:
   label: 'Longest Common Subsequence'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/multi-d-grid-dp/62_unique-paths.mdx b/apps/docs/content/(05-decision-space)/multi-d-grid-dp/62_unique-paths.mdx
index 1e460a9..6d75a12 100644
--- a/apps/docs/content/(05-decision-space)/multi-d-grid-dp/62_unique-paths.mdx
+++ b/apps/docs/content/(05-decision-space)/multi-d-grid-dp/62_unique-paths.mdx
@@ -7,6 +7,14 @@ topics:
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
   - { name: "Combinatorics", slug: "combinatorics" }
 issue: "https://github.com/prdlk/leetcode/issues/166"
+companies:
+  - { name: "Ola Cabs", period: "Thirty Days", frequency: 65.6 }
+  - { name: "Amazon", period: "Thirty Days", frequency: 48.9 }
+  - { name: "Google", period: "Thirty Days", frequency: 29 }
+  - { name: "Microsoft", period: "Three Months", frequency: 48.3 }
+  - { name: "Bloomberg", period: "Three Months", frequency: 36.8 }
+  - { name: "Meta", period: "Three Months", frequency: 34.5 }
+  - { name: "Goldman Sachs", period: "Six Months", frequency: 44.8 }
 sidebar:
   label: 'Unique Paths'
   badge: 'Medium'
diff --git a/apps/docs/content/(05-decision-space)/multi-d-grid-dp/64_minimum-path-sum.mdx b/apps/docs/content/(05-decision-space)/multi-d-grid-dp/64_minimum-path-sum.mdx
index 32e455a..044040b 100644
--- a/apps/docs/content/(05-decision-space)/multi-d-grid-dp/64_minimum-path-sum.mdx
+++ b/apps/docs/content/(05-decision-space)/multi-d-grid-dp/64_minimum-path-sum.mdx
@@ -7,6 +7,12 @@ topics:
   - { name: "Dynamic Programming", slug: "dynamic-programming" }
   - { name: "Matrix", slug: "matrix" }
 issue: "https://github.com/prdlk/leetcode/issues/167"
+companies:
+  - { name: "Goldman Sachs", period: "Three Months", frequency: 66.3 }
+  - { name: "Infosys", period: "Three Months", frequency: 66 }
+  - { name: "Amazon", period: "Three Months", frequency: 21.2 }
+  - { name: "Google", period: "Three Months", frequency: 17.3 }
+  - { name: "Microsoft", period: "Six Months", frequency: 32 }
 sidebar:
   label: 'Minimum Path Sum'
   badge: 'Medium'
diff --git a/apps/docs/pages/appendix.astro b/apps/docs/pages/appendix.astro
index 1727380..cd6f88d 100644
--- a/apps/docs/pages/appendix.astro
+++ b/apps/docs/pages/appendix.astro
@@ -7,8 +7,12 @@
  * shows (the term's icon in the tag's colour from `lib/tag-colors.ts`, over
  * the same tag universe `ProblemBadges.astro` colours) and lists the problem
  * pages whose badge links here: the backlinks a per-term page used to have.
- * The filter is a custom element over static markup, the way the Carousel
- * is built; with no JS the page is the full glossary.
+ * After the terms, a Companies section: one card per company any problem
+ * page's `companies:` names (`companies.ts`), the target of that company's
+ * pill in the page's company table, listing the solved problems it asked in
+ * the last six months and how recently. The filter is a custom element over
+ * static markup, the way the Carousel is built; with no JS the page is the
+ * full glossary.
  */
 import { getEntry } from "astro:content";
 import data from "blume:data";
@@ -16,6 +20,7 @@ import Icon from "blume/components/Icon.astro";
 import { withBase } from "blume/components/islands/base-path.ts";
 import PageLayout from "blume/components/layout/PageLayout.astro";
 import { APPENDIX } from "../appendix.ts";
+import { RECENCY, RECENCY_LABEL, companyHref, type Company } from "../companies.ts";
 import { tagColors } from "../lib/tag-colors.ts";
 import { TOPIC_LANDINGS, tagTarget, type TopicTag } from "../topic-landings.ts";
 
@@ -35,6 +40,7 @@ const problems = await Promise.all(
         name: name!,
         difficulty: entry?.data.sidebar?.badge as string | undefined,
         tags: (entry?.data.topics ?? []) as TopicTag[],
+        companies: (entry?.data.companies ?? []) as Company[],
       };
     }),
 );
@@ -55,6 +61,21 @@ const terms = Object.entries(APPENDIX)
   }))
   .sort((a, b) => a.name.localeCompare(b.name));
 
+// Every company a problem page names, A–Z; its solved problems most recent
+// window first, then by number.
+const companies = [
+  ...Map.groupBy(
+    problems.flatMap((p) => p.companies.map((c) => ({ ...p, company: c.name, period: c.period }))),
+    (row) => row.company,
+  ),
+]
+  .map(([name, rows]) => ({
+    name,
+    id: companyHref(name).slice("/appendix#".length),
+    problems: rows.sort((a, b) => RECENCY.indexOf(a.period) - RECENCY.indexOf(b.period) || a.num - b.num),
+  }))
+  .sort((a, b) => a.name.localeCompare(b.name));
+
 const sections = new Map<string, typeof terms>();
 for (const term of terms) {
   const letter = term.name[0]!.toUpperCase();
@@ -73,7 +94,7 @@ const DIFFICULTY: Record<string, { label: string; class: string }> = {
   Hard: { label: "Hard", class: "border-chart-3/40 bg-chart-3/10 text-chart-3" },
 };
 const description =
-  "The LeetCode topics the campaign meets without teaching them as a topic: what each one means, and the solved problems that use it.";
+  "The LeetCode topics the campaign meets without teaching them as a topic, what each one means and the solved problems that use it, then the companies that asked those problems in the last six months.";
 ---
 
 <PageLayout
@@ -115,6 +136,17 @@ const description =
               ),
             )
           }
+          {
+            companies.length > 0 && (
+              <a
+                href="#companies"
+                data-letter-link="companies"
+                class="inline-flex h-7 items-center justify-center rounded-md px-2 text-foreground no-underline transition-colors hover:bg-muted"
+              >
+                Companies
+              </a>
+            )
+          }
         </nav>
         <label class="relative block sm:w-64">
           <span class="sr-only">Filter terms</span>
@@ -125,7 +157,7 @@ const description =
           />
           <input
             type="search"
-            placeholder={`Filter ${terms.length} terms`}
+            placeholder={`Filter ${terms.length} terms, ${companies.length} companies`}
             class="w-full rounded-md border border-border bg-background py-1.5 pr-3 pl-8 text-foreground text-sm outline-none transition-colors placeholder:text-muted-foreground focus:border-foreground/40"
           />
         </label>
@@ -231,7 +263,85 @@ const description =
           </section>
         ))
       }
-      <p data-empty hidden class="mt-10 text-muted-foreground">No term matches that filter.</p>
+      {
+        companies.length > 0 && (
+          <section id="companies" data-letter="companies" class="scroll-mt-24 pt-10">
+            <h2 class="m-0 text-2xl font-semibold text-foreground">Companies</h2>
+            <div class="mt-4 grid gap-4 sm:grid-cols-2">
+              {companies.map((company) => (
+                <article
+                  id={company.id}
+                  data-term={`${company.name} company`.toLowerCase()}
+                  class="flex scroll-mt-24 flex-col rounded-lg border border-border bg-muted/30 p-5 transition-colors target:border-foreground/40 target:bg-muted/60"
+                >
+                  <header class="flex items-start gap-3">
+                    <span class="flex size-9 shrink-0 items-center justify-center rounded-md border border-border text-muted-foreground">
+                      <Icon name="building-2" size={18} />
+                    </span>
+                    <div class="min-w-0 flex-1">
+                      <h3 class="m-0 text-base font-semibold leading-snug">
+                        <a class="text-foreground no-underline hover:underline" href={`#${company.id}`}>
+                          {company.name}
+                        </a>
+                      </h3>
+                      <p class="m-0 mt-0.5 font-mono text-[11px] uppercase tracking-wide text-muted-foreground">
+                        Company · {company.problems.length} solved
+                      </p>
+                    </div>
+                  </header>
+                  <solved-pages class="mt-4 block border-border border-t pt-3">
+                    <ul class="m-0 list-none p-0 text-sm">
+                      {company.problems.map((p, i) => (
+                        <li data-page={Math.floor(i / PAGE_SIZE)}>
+                          <a
+                            class="-mx-2 flex items-baseline gap-3 rounded-md px-2 py-1 text-foreground no-underline transition-colors hover:bg-muted"
+                            href={withBase(p.route)}
+                          >
+                            <span class="w-10 shrink-0 text-right font-mono text-muted-foreground text-xs tabular-nums">
+                              {p.num}
+                            </span>
+                            <span class="min-w-0 flex-1 truncate">{p.name}</span>
+                            <span class="shrink-0 text-muted-foreground text-xs">within {RECENCY_LABEL[p.period]}</span>
+                            {p.difficulty && DIFFICULTY[p.difficulty] && (
+                              <span
+                                class:list={[
+                                  "shrink-0 rounded-full border px-2 py-px font-mono text-[11px] leading-4",
+                                  DIFFICULTY[p.difficulty]!.class,
+                                ]}
+                              >
+                                {DIFFICULTY[p.difficulty]!.label}
+                              </span>
+                            )}
+                          </a>
+                        </li>
+                      ))}
+                    </ul>
+                    {company.problems.length > PAGE_SIZE && (
+                      <nav
+                        aria-label={`${company.name} solved pages`}
+                        class="mt-2 flex flex-wrap justify-center gap-1 font-mono text-xs"
+                        hidden
+                      >
+                        {Array.from({ length: Math.ceil(company.problems.length / PAGE_SIZE) }, (_, page) => (
+                          <button
+                            type="button"
+                            data-goto={page}
+                            aria-label={`Page ${page + 1}`}
+                            class="inline-flex size-7 cursor-pointer items-center justify-center rounded-md border border-transparent text-muted-foreground tabular-nums transition-colors hover:bg-muted hover:text-foreground aria-[current=page]:border-border aria-[current=page]:bg-muted aria-[current=page]:text-foreground"
+                          >
+                            {page + 1}
+                          </button>
+                        ))}
+                      </nav>
+                    )}
+                  </solved-pages>
+                </article>
+              ))}
+            </div>
+          </section>
+        )
+      }
+      <p data-empty hidden class="mt-10 text-muted-foreground">Nothing matches that filter.</p>
     </appendix-filter>
   </section>
 </PageLayout>