# Companies using each ATS

> Verified lists of companies that use each applicant tracking system, checked against each ATS's public endpoints. 3 ATS lists.

**Canonical URL:** https://jobspipe.dev/companies-using

## Lists

- **Companies that use Ashby** - https://jobspipe.dev/companies-using/ashby
  OpenAI, Notion, Ramp, Linear, Cursor, ElevenLabs and more - a verified list of companies that use Ashby as their ATS, checked against Ashby's public Job Board endpoint in July 2026.
- **Companies that use Lever** - https://jobspipe.dev/companies-using/lever
  Spotify, Palantir, Match Group, Zoox, WHOOP and more - a verified list of companies that use Lever as their ATS, checked against Lever's public postings endpoint in July 2026.
- **Companies that use iCIMS** - https://jobspipe.dev/companies-using/icims
  iCIMS runs hiring for thousands of large enterprises. How to identify companies that use iCIMS from their careers-site URLs, which brands are publicly referenced customers, and how to query every public iCIMS tenant.
- **Companies that use Greenhouse** - https://jobspipe.dev/blog/companies-using-greenhouse
- **Workday customers list** - https://jobspipe.dev/blog/workday-customers-list

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For each ATS, request `/companies-using/<slug>.md` or set `Accept: text/markdown`.