A breakdown of the 1.5K+ companies running FreePBX.
Top industries
Information technology and services586
Media and telecommunications235
Professional and business services152
Education and training72
Industrial and manufacturing71
Construction and building57
Financial services54
Health and wellness35
No industry recorded: 105
Company size
1–10251 (22%)
11–50280 (24%)
51–250332 (29%)
251–500108 (9%)
501–1,00051 (4%)
1,001–5,00073 (6%)
5,001–10,00019 (2%)
10,001+31 (3%)
Share of companies with a recorded size, by employees.
No size recorded: 406
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
15.0.38(16.30.0)35
16.0.33(18.13.0)33
14.0.17(13.38.3)24
13.0.197.31(13.29.2)19
16.0.50(18.26.4)12
16.0.50(16.30.0)10
2.8.1(1.8.20.0)10
16.0.45(18.20.2)9
16.0.49(16.30.0)9
16.0.50(18.20.2)9
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Frequently asked questions
About the FreePBX data on this page.
How many companies use FreePBX?
Firmable holds confirmed FreePBX detections for 1,551 distinct companies, 1,274 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use FreePBX?
Vultr, Whitaker Construction Company, Inc. and 123NET are among the most prominent in the current set.
What industries use FreePBX?
Information technology and services, media and telecommunications and professional and business services lead the set, across 19 industries in total.
What size companies use FreePBX?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are FreePBX users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
1,274 companies were confirmed in the last 90 days. Last detection 14 October 2026.
