Share of companies with a recorded size, by employees.
No size recorded: 16K+
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
1.15.2K+
5.557
9.0.3048
5.0.2821
7.0.7615
1.014
6.0.2412
8.5.2311
6.0.3510
8.5.3910
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
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Frequently asked questions
About the Tomcat data on this page.
How many companies use Tomcat?
Firmable holds confirmed Tomcat detections for 55,416 distinct companies, 35,503 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Tomcat?
Viant, Smith Douglas Homes and EVgo are among the most prominent in the current set.
What industries use Tomcat?
Information technology and services, education and training and professional and business services lead the set, across 19 industries in total.
What size companies use Tomcat?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Tomcat users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
35,503 companies were confirmed in the last 90 days. Last detection 14 October 2026.
