Share of companies with a recorded size, by employees.
No size recorded: 140K+
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Frequently asked questions
About the Unix data on this page.
How many companies use Unix?
Firmable holds confirmed Unix detections for 196,702 distinct companies, 117,994 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Unix?
link, Socure and Federal Home Loan Bank of San Francisco are among the most prominent in the current set.
What industries use Unix?
Art, sports and recreation, professional and business services and information technology and services lead the set, across 19 industries in total.
What size companies use Unix?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Unix users based?
The United States, Australia, Canada and Japan account for most detections, across 13 countries.
How current is this data?
117,994 companies were confirmed in the last 90 days. Last detection 14 October 2026.
