A breakdown of the 5.6K+ companies running Firefox.
Top industries
Information technology and services1.5K+
Professional and business services721
Education and training512
Financial services405
Industrial and manufacturing370
Health and wellness326
Media and telecommunications232
Art, sports and recreation201
No industry recorded: 278
Company size
1–10381 (7%)
11–50817 (16%)
51–2501,398 (27%)
251–500753 (15%)
501–1,000389 (8%)
1,001–5,000746 (15%)
5,001–10,000217 (4%)
10,001+434 (8%)
Share of companies with a recorded size, by employees.
No size recorded: 547
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Frequently asked questions
About the Firefox data on this page.
How many companies use Firefox?
Firmable holds confirmed Firefox detections for 5,682 distinct companies, 966 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Firefox?
National Urban League, Navarro College and IAPMO Oceania are among the most prominent in the current set.
What industries use Firefox?
Information technology and services, professional and business services and education and training lead the set, across 19 industries in total.
What size companies use Firefox?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Firefox users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
966 companies were confirmed in the last 90 days. Last detection 20 September 2026.
