A breakdown of the 275 companies running ChatGPT Enterprise.
Top industries
Information technology and services90
Professional and business services46
Financial services38
Industrial and manufacturing27
Media and telecommunications14
Education and training10
Construction and building7
Hospitality and travel6
No industry recorded: 9
Company size
1–1022 (9%)
11–5011 (4%)
51–25036 (14%)
251–50028 (11%)
501–1,00030 (12%)
1,001–5,00059 (23%)
5,001–10,00020 (8%)
10,001+47 (19%)
Share of companies with a recorded size, by employees.
No size recorded: 22
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the ChatGPT Enterprise data on this page.
How many companies use ChatGPT Enterprise?
Firmable holds confirmed ChatGPT Enterprise detections for 275 distinct companies, 254 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use ChatGPT Enterprise?
Mark43, SB Energy and Obsidian Security are among the most prominent in the current set.
What industries use ChatGPT Enterprise?
Information technology and services, professional and business services and financial services lead the set, across 19 industries in total.
What size companies use ChatGPT Enterprise?
Adoption concentrates in the 1,001-5,000 employee band, across the companies whose size is recorded.
Where are ChatGPT Enterprise users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
254 companies were confirmed in the last 90 days. Last detection 19 September 2026.
