A breakdown of the 39K+ companies running Gunicorn.
Top industries
Information technology and services12K+
Professional and business services3.9K+
Education and training2.5K+
Financial services2.5K+
Art, sports and recreation2.4K+
Media and telecommunications1.8K+
Industrial and manufacturing1.7K+
Hospitality and travel1.6K+
No industry recorded: 4.2K+
Company size
1–106,717 (23%)
11–507,541 (26%)
51–2507,463 (26%)
251–5002,489 (9%)
501–1,0001,359 (5%)
1,001–5,0002,178 (7%)
5,001–10,000606 (2%)
10,001+754 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 10K+
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
20.0.4279
19.10.0238
19.9.0231
19.7.1112
19.6.038
19.4.530
19.8.122
18.015
19.3.013
19.1.110
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Frequently asked questions
About the Gunicorn data on this page.
How many companies use Gunicorn?
Firmable holds confirmed Gunicorn detections for 39,753 distinct companies, 32,418 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Gunicorn?
First Eagle Investment Management, Viant and Kodiak Gas Services are among the most prominent in the current set.
What industries use Gunicorn?
Information technology and services, professional and business services and education and training lead the set, across 19 industries in total.
What size companies use Gunicorn?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are Gunicorn users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
32,418 companies were confirmed in the last 90 days. Last detection 14 October 2026.