A breakdown of the 972 companies running DNSFilter.
Top industries
Information technology and services708
Professional and business services86
Media and telecommunications51
Industrial and manufacturing16
Construction and building9
Education and training9
Financial services9
Health and wellness8
No industry recorded: 46
Company size
1–10315 (37%)
11–50284 (34%)
51–250187 (22%)
251–50038 (5%)
501–1,0004 (<1%)
1,001–5,0008 (1%)
5,001–10,0001 (<1%)
10,001+5 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 130
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Frequently asked questions
About the DNSFilter data on this page.
How many companies use DNSFilter?
Firmable holds confirmed DNSFilter detections for 972 distinct companies, 900 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use DNSFilter?
AEA Investors LP, DNSFilter and Cythera are among the most prominent in the current set.
What industries use DNSFilter?
Information technology and services, professional and business services and media and telecommunications lead the set, across 19 industries in total.
What size companies use DNSFilter?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are DNSFilter users based?
The United States, Australia, Canada and the Philippines account for most detections, across 13 countries.
How current is this data?
900 companies were confirmed in the last 90 days. Last detection 13 October 2026.
