A breakdown of the 268K+ companies running OpenSSL.
Top industries
Information technology and services33K+
Professional and business services25K+
Art, sports and recreation19K+
Industrial and manufacturing16K+
Health and wellness16K+
Education and training15K+
Construction and building15K+
Financial services11K+
No industry recorded: 42K+
Company size
1–1045,768 (33%)
11–5036,968 (27%)
51–25032,149 (23%)
251–50010,107 (7%)
501–1,0004,260 (3%)
1,001–5,0006,614 (5%)
5,001–10,0001,366 (1%)
10,001+1,452 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 129K+
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
1.0.2k22K+
1.1.1k9.9K+
3.5.55.9K+
3.5.85.3K+
3.2.23.5K+
3.5.12.8K+
1.1.1n2.8K+
3.5.72K+
1.0.1e2K+
3.0.81.9K+
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Frequently asked questions
About the OpenSSL data on this page.
How many companies use OpenSSL?
Firmable holds confirmed OpenSSL detections for 268,269 distinct companies, 132,376 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use OpenSSL?
Viant, Assured Guaranty and Mitsubishi Hc Capital America Inc. are among the most prominent in the current set.
What industries use OpenSSL?
Information technology and services, professional and business services and art, sports and recreation lead the set, across 19 industries in total.
What size companies use OpenSSL?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are OpenSSL users based?
The United States, Australia, Canada and Japan account for most detections, across 13 countries.
How current is this data?
132,376 companies were confirmed in the last 90 days. Last detection 14 October 2026.
