A breakdown of the 15 companies running Cap'n Proto.
Top industries
Information technology and services6
Industrial and manufacturing5
Financial services1
Media and telecommunications1
Professional and business services1
No industry recorded: 1
Company size
1–103 (23%)
11–501 (8%)
51–2503 (23%)
501–1,0001 (8%)
1,001–5,0002 (15%)
5,001–10,0001 (8%)
10,001+2 (15%)
Share of companies with a recorded size, by employees.
No size recorded: 2
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Frequently asked questions
About the Cap'n Proto data on this page.
How many companies use Cap'n Proto?
Firmable holds confirmed Cap'n Proto detections for 15 distinct companies, 7 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Cap'n Proto?
Atomic Semi, Applied Intuition and Proception Inc. are among the most prominent in the current set.
What industries use Cap'n Proto?
Information technology and services, industrial and manufacturing and financial services lead the set, across 6 industries in total.
What size companies use Cap'n Proto?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Cap'n Proto users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
7 companies were confirmed in the last 90 days. Last detection 11 September 2026.
