A breakdown of the 632 companies running FitNesse.
Top industries
Information technology and services271
Financial services122
Professional and business services69
Industrial and manufacturing36
Construction and building17
Media and telecommunications17
Education and training15
Retail trade12
No industry recorded: 21
Company size
1–1025 (4%)
11–5064 (11%)
51–250111 (19%)
251–50073 (13%)
501–1,00038 (7%)
1,001–5,000111 (19%)
5,001–10,00033 (6%)
10,001+124 (21%)
Share of companies with a recorded size, by employees.
No size recorded: 53
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Frequently asked questions
About the FitNesse data on this page.
How many companies use FitNesse?
Firmable holds confirmed FitNesse detections for 632 distinct companies, 85 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use FitNesse?
Federal Home Loan Bank of San Francisco, National Urban League and Autonomous Solutions, Inc. (ASI) are among the most prominent in the current set.
What industries use FitNesse?
Information technology and services, financial services and professional and business services lead the set, across 19 industries in total.
What size companies use FitNesse?
Adoption concentrates in the 10,001+ employee band, across the companies whose size is recorded.
Where are FitNesse users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
85 companies were confirmed in the last 90 days. Last detection 19 September 2026.
