How many companies use CentOS vs UNIX?

564 companies use CentOS and 481 companies use UNIX in our database. CentOS is more widely adopted with 1.2x more companies than UNIX.

Can I get a list of companies using both CentOS and UNIX?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

CentOS is used by 564companies — 1.2x more than UNIX (481).

564 use CentOS481 use UNIX

	CentOS	UNIX
Companies	564	481
Category	Operating systems	Operating systems

Get the full comparison

1,045 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=centos

AgentData picks

DragApp

AI-powered shared inbox, help desk, and team collaboration — inside Gmail. 200K+ users.

HeyHelp

AI email assistant inside Gmail. Drafts, sorts, follows up.

Oneway

All-in-one customer platform — live chat, email, automations, changelogs & roadmaps with AI.

Access technology comparison data programmatically via REST API or MCP.