--- title: "Which companies in United States use CentOS?" description: "ZT Systems, Akina, Inc., Vast.ai, CoreWeave and more. 553 companies hiring in United States whose own job postings show they use CentOS: 52 confirmed, 501" canonical: https://jobspipe.dev/technologies/centos/us --- # Which companies in United States use CentOS? > ZT Systems, Akina, Inc., Vast.ai, CoreWeave and more. 553 companies hiring in United States whose own job postings show they use CentOS: 52 confirmed, 501 likely. Updated daily from live postings. **Canonical URL:** https://jobspipe.dev/technologies/centos/us 553 companies with postings in United States use CentOS according to their own job postings: 52 confirmed and 501 likely. The 18 listed below are confirmed users with at least 2 postings and a verified website; the rest are counted here but not named. - **Confirmed companies:** 52 - **Likely companies:** 501 - **Category:** Developer tools - **As of:** 25 Sep 2026 ## Companies using CentOS | # | Company | Postings naming it | Last seen | |---|---|---|---| | 1 | [ZT Systems](https://jobspipe.dev/hiring/ztsystems.com) | 9 | 3 Oct 2026 | | 2 | [Akina, Inc.](https://jobspipe.dev/hiring/akina-inc.com) | 8 | 4 Oct 2026 | | 3 | [Vast.ai](https://jobspipe.dev/hiring/vast.ai) | 8 | 2 Oct 2026 | | 4 | [CoreWeave](https://jobspipe.dev/hiring/coreweave.com) | 6 | 27 Sep 2026 | | 5 | [Quevera](https://jobspipe.dev/hiring/quevera.com) | 6 | 25 Sep 2026 | | 6 | [Vantor](https://jobspipe.dev/hiring/vantor.com) | 6 | 3 Oct 2026 | | 7 | [Inspekt AI](https://jobspipe.dev/hiring/inspektai.com) | 4 | 7 Oct 2026 | | 8 | [KBR Careers](https://jobspipe.dev/hiring/careers.kbr.com) | 4 | 2 Oct 2026 | | 9 | [D2 Consulting](https://jobspipe.dev/hiring/d2consulting.com) | 3 | 20 Aug 2026 | | 10 | [INflow Federal](https://jobspipe.dev/hiring/inflowfed.com) | 3 | 24 Sep 2026 | | 11 | [Sciforium](https://jobspipe.dev/hiring/sciforium.ai) | 3 | 6 Oct 2026 | | 12 | [Avalore.ai](https://jobspipe.dev/hiring/avalore.ai) | 2 | 17 Aug 2026 | | 13 | [Donatech Corporation](https://jobspipe.dev/hiring/donatech.com) | 2 | 24 Sep 2026 | | 14 | [K2 Space](https://jobspipe.dev/hiring/k2space.com) | 2 | 24 Sep 2026 | | 15 | [Optimum](https://jobspipe.dev/hiring/optimum.com) | 2 | 6 Oct 2026 | | 16 | [RINCON RESEARCH CORPORATION](https://jobspipe.dev/hiring/rincon.com) | 2 | 24 Sep 2026 | | 17 | [TIAG](https://jobspipe.dev/hiring/tiag.net) | 2 | 24 Sep 2026 | | 18 | [UnitedHealth Group](https://jobspipe.dev/hiring/unitedhealthgroup.com) | 2 | 3 Sep 2026 | ## By country - [India](https://jobspipe.dev/technologies/centos/in) - [France](https://jobspipe.dev/technologies/centos/fr) - [Japan](https://jobspipe.dev/technologies/centos/jp) - [Slovakia](https://jobspipe.dev/technologies/centos/sk) - [United Kingdom](https://jobspipe.dev/technologies/centos/gb) - [Canada](https://jobspipe.dev/technologies/centos/ca) - [Mexico](https://jobspipe.dev/technologies/centos/mx) - [Brazil](https://jobspipe.dev/technologies/centos/br) - [Philippines](https://jobspipe.dev/technologies/centos/ph) Worldwide: [Which companies use CentOS?](https://jobspipe.dev/technologies/centos) ## FAQ ### How many companies use CentOS in United States? 553 companies in United States have job postings that show they use CentOS, as of 25 Sep 2026. 52 are confirmed and 501 are likely. ### Which companies use CentOS in United States? ZT Systems, Akina, Inc., Vast.ai, CoreWeave, Quevera are among the confirmed CentOS users with the most postings naming it in United States. The full list on this page names 18 companies. ### How does JobsPipe know a company uses CentOS? From the company's own job postings. Each posting is read for the technologies it names, and every company and technology pair is graded: confirmed when two independent checks agree on CentOS in at least one posting, likely when it is a stated requirement or appears in two separate postings. A single passing mention is not counted here. It is evidence of a team working with CentOS, not a purchase record. ## Reproduce ```bash curl -X POST https://api.jobspipe.dev/v1/companies/search -H "Authorization: Bearer $JOBSPIPE_API_KEY" -H "Content-Type: application/json" -d '{"company_technology_slug_or":["centos"],"tier_min":"confirmed","company_country_code_or":["US"],"limit":25}' ``` --- Try it with no key: `curl -d '{"limit":3}' https://api.jobspipe.dev/v1/sandbox/jobs/search`. AI agents: the full machine-readable index of this site is https://jobspipe.dev/llms.txt?src=md-twin - API quickstart, MCP server, pricing. Free key (1,000 jobs to start): https://jobspipe.dev/signup