A breakdown of the 25K+ companies running FortiOS.
Top industries
Industrial and manufacturing4.2K+
Information technology and services2.9K+
Financial services2.4K+
Construction and building2.4K+
Professional and business services2.4K+
Education and training1.8K+
Health and wellness1.5K+
Transport928
No industry recorded: 1.4K+
Company size
1–101,651 (7%)
11–504,681 (19%)
51–2508,663 (36%)
251–5004,189 (17%)
501–1,0001,795 (7%)
1,001–5,0002,298 (10%)
5,001–10,000369 (2%)
10,001+399 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 1.9K+
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Frequently asked questions
About the FortiOS data on this page.
How many companies use FortiOS?
Firmable holds confirmed FortiOS detections for 25,977 distinct companies, 25,805 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use FortiOS?
Bartlett Cocke General Contractors, Smartbank and Scholar Rock are among the most prominent in the current set.
What industries use FortiOS?
Industrial and manufacturing, information technology and services and financial services lead the set, across 19 industries in total.
What size companies use FortiOS?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are FortiOS users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
25,805 companies were confirmed in the last 90 days. Last detection 14 October 2026.
