A breakdown of the 3.8K+ companies running PerimeterX.
Top industries
Media and telecommunications798
Professional and business services384
Information technology and services321
Art, sports and recreation287
Education and training265
Retail trade213
Not for profit180
Industrial and manufacturing171
No industry recorded: 476
Company size
1–10864 (32%)
11–50723 (27%)
51–250575 (22%)
251–500179 (7%)
501–1,00071 (3%)
1,001–5,000148 (6%)
5,001–10,00043 (2%)
10,001+71 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 1.2K
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Frequently asked questions
About the PerimeterX data on this page.
How many companies use PerimeterX?
Firmable holds confirmed PerimeterX detections for 3,874 distinct companies, 3,056 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use PerimeterX?
Brightline, Clever and Ascentria Care Alliance are among the most prominent in the current set.
What industries use PerimeterX?
Media and telecommunications, professional and business services and information technology and services lead the set, across 19 industries in total.
What size companies use PerimeterX?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are PerimeterX users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
3,056 companies were confirmed in the last 90 days. Last detection 14 October 2026.
