A breakdown of the 97 companies running Codex CLI.
Top industries
Information technology and services44
Financial services11
Industrial and manufacturing8
Education and training7
Professional and business services7
Art, sports and recreation4
Media and telecommunications3
Construction and building2
No industry recorded: 7
Company size
1–1011 (13%)
11–5010 (12%)
51–25026 (31%)
251–5005 (6%)
501–1,0007 (8%)
1,001–5,00013 (15%)
5,001–10,0003 (4%)
10,001+9 (11%)
Share of companies with a recorded size, by employees.
No size recorded: 13
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Frequently asked questions
About the Codex CLI data on this page.
How many companies use Codex CLI?
Firmable holds confirmed Codex CLI detections for 97 distinct companies, 51 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Codex CLI?
Yayoi Co., Ltd., Bridger Photonics and Antenna are among the most prominent in the current set.
What industries use Codex CLI?
Information technology and services, financial services and industrial and manufacturing lead the set, across 13 industries in total.
What size companies use Codex CLI?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Codex CLI users based?
The United States, Australia, Canada and Japan account for most detections, across 13 countries.
How current is this data?
51 companies were confirmed in the last 90 days. Last detection 19 September 2026.
