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Sales Prospecting & Enrichment: the tools companies use

B2B databases and lead enrichment

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370 companies on usedby use at least one of the 9 tools in this category with a public customer. Apollo leads with 71 companies. Then come Common Room (68) and ZoomInfo (67). 28 companies run two of these tools or more. The most common pair is Clay with ZoomInfo (7 companies).Latest check Oct 8, 2026: 395 of 412 public lines checked. Counts are of companies on usedby, not of the whole market: we list a company when a public page shows its AI tools.

370

companies on usedby use a tool of this category

Latest check Oct 8, 2026: 395 of 412 public lines checked

Ranked by customers

Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.

Sales Prospecting & Enrichment tools ranked by companies on usedby
#ToolCustomersProof
1Apollo71
2Common Room68
3ZoomInfo67
4HubSpot51
5Clay48
66sense32
7Warmly30
8UserGems25
9Attio20
Landbase—

28 companies run two of these tools or more. The most common pair is Clay with ZoomInfo, at 7 companies.

Apollo71 customers

Apollo is used by 71 companies on usedby, 63 confirmed by a case study, a named quote or a press release. Named customers include Google, Intel, and Spotify. Who uses Apollo, Apollo vs Clay

Customer page: apollo.io. Latest check of 71 of 71 lines: Oct 5, 2026.

Common Room68 customers

Common Room is used by 68 companies on usedby, 33 confirmed by a case study, a named quote or a press release. Named customers include Amazon, Atlassian, and Asana. Who uses Common Room, Common Room vs ZoomInfo

Customer page: commonroom.io. Latest check of 68 of 68 lines: Oct 7, 2026.

ZoomInfo67 customers

ZoomInfo is used by 67 companies on usedby, 47 confirmed by a case study, a named quote or a press release. Named customers include Meta, Microsoft, and Amazon. Who uses ZoomInfo, HubSpot vs ZoomInfo

Latest check of 67 of 67 lines: Oct 8, 2026.

HubSpot51 customers

HubSpot is used by 51 companies on usedby, 21 confirmed by a case study, a named quote or a press release. Named customers include Zoom, Ebay, and Reddit. Who uses HubSpot, HubSpot vs ZoomInfo

Customer page: hubspot.com. Latest check of 48 of 51 lines: Oct 8, 2026.

Newest customers

Companies first listed by a tool of this category in the last 90 days.

No new customer yetTracking of changes on these tools' pages started on October 2, 2026. New customers appear here, dated, after two complete checks of those pages.

Most compared

Side-by-side pages with the companies behind each tool.

Questions about Sales Prospecting & Enrichment

Answers drawn from usedby data.

What is the most used tool in Sales Prospecting & Enrichment?

Apollo, used by 71 of the 370 companies on usedby in this category. Then come Common Room (68) and ZoomInfo (67). Who uses Apollo.

Do more companies use Apollo or Common Room?

Apollo: 71 companies on usedby, against 68 for Common Room. 2 companies use both, counting confirmed and observed lines only.

Do companies use several tools in Sales Prospecting & Enrichment?

Yes: 28 of the 370 companies on usedby in this category run two or more. The most common pair is Clay with ZoomInfo (7 companies).

How does usedby rank these tools?

By the number of companies with a public line for each tool, read from dated captures of vendor customer pages, case studies, press releases and job posts. Job-post signals count in the totals and are shown apart. usedby lists a company when a public page shows it, so these counts describe the companies on usedby, not the whole market.