A breakdown of the 2K+ companies running Stack Overflow.
Top industries
Information technology and services973
Professional and business services227
Financial services219
Industrial and manufacturing107
Media and telecommunications94
Education and training86
Art, sports and recreation43
Health and wellness32
No industry recorded: 116
Company size
1–10134 (7%)
11–50270 (15%)
51–250559 (30%)
251–500217 (12%)
501–1,000169 (9%)
1,001–5,000260 (14%)
5,001–10,00084 (5%)
10,001+168 (9%)
Share of companies with a recorded size, by employees.
No size recorded: 173
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Frequently asked questions
About the Stack Overflow data on this page.
How many companies use Stack Overflow?
Firmable holds confirmed Stack Overflow detections for 2,034 distinct companies, 224 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Stack Overflow?
FieldAI, Matillion and Jeeves are among the most prominent in the current set.
What industries use Stack Overflow?
Information technology and services, professional and business services and financial services lead the set, across 19 industries in total.
What size companies use Stack Overflow?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Stack Overflow users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
224 companies were confirmed in the last 90 days. Last detection 7 September 2026.
