# Sales Prospecting & Enrichment: the tools companies use

370 companies on usedby use at least one of the 9 tools in this category with a public customer. Apollo leads with 71 companies. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-08: 395 of 412 public lines checked.

> B2B databases and lead enrichment

Family: [Sales & Growth](https://www.usedby.ai/tools/category/sales-growth.md)

## Ranking

Public customers count every public line, job-post signals included; ties share a rank.

| Rank | Tool | Public customers | Confirmed | Observed | Signals |
|---|---|---|---|---|---|
| 1 | [Apollo](https://www.usedby.ai/tools/apollo.md) | 71 | 63 | 8 | 0 |
| 2 | [Common Room](https://www.usedby.ai/tools/common-room.md) | 68 | 33 | 35 | 0 |
| 3 | [ZoomInfo](https://www.usedby.ai/tools/zoominfo.md) | 67 | 47 | 15 | 5 |
| 4 | [HubSpot](https://www.usedby.ai/tools/hubspot.md) | 51 | 21 | 23 | 7 |
| 5 | [Clay](https://www.usedby.ai/tools/clay.md) | 48 | 31 | 17 | 0 |
| 6 | [6sense](https://www.usedby.ai/tools/6sense.md) | 32 | 19 | 11 | 2 |
| 7 | [Warmly](https://www.usedby.ai/tools/warmly.md) | 30 | 20 | 10 | 0 |
| 8 | [UserGems](https://www.usedby.ai/tools/usergems.md) | 25 | 14 | 11 | 0 |
| 9 | [Attio](https://www.usedby.ai/tools/attio.md) | 20 | 8 | 12 | 0 |

Tools in this category without a public customer yet: [Landbase](https://www.usedby.ai/tools/landbase.md).

---
Source: https://www.usedby.ai/tools/category/sales-prospecting-enrichment · How we check: https://www.usedby.ai/methodology