A breakdown of the 3K+ companies running Bugzilla.
Top industries
Information technology and services1.4K+
Professional and business services369
Industrial and manufacturing289
Financial services195
Media and telecommunications96
Education and training94
Art, sports and recreation81
Construction and building79
No industry recorded: 125
Company size
1–10148 (5%)
11–50411 (15%)
51–250772 (28%)
251–500370 (13%)
501–1,000218 (8%)
1,001–5,000417 (15%)
5,001–10,000146 (5%)
10,001+316 (11%)
Share of companies with a recorded size, by employees.
No size recorded: 206
Versions detected
9 versions across the confirmed companies. Counts are distinct companies seen running that version.
5.0.633
5.226
5.0.413
5.0.37
5.03
5.0.4.12
5.1.22
5.0.11
5.0.21
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Market insights
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Frequently asked questions
About the Bugzilla data on this page.
How many companies use Bugzilla?
Firmable holds confirmed Bugzilla detections for 3,004 distinct companies, 566 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Bugzilla?
Concentric AI, BTM Global and Celero Communications are among the most prominent in the current set.
What industries use Bugzilla?
Information technology and services, professional and business services and industrial and manufacturing lead the set, across 19 industries in total.
What size companies use Bugzilla?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Bugzilla users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
566 companies were confirmed in the last 90 days. Last detection 14 October 2026.
