A breakdown of the 24 companies running GPT-Trainer.
Top industries
Information technology and services5
Education and training3
Professional and business services3
Financial services2
Industrial and manufacturing2
Media and telecommunications2
Real estate and home services2
Government and public services1
No industry recorded: 2
Company size
1–106 (30%)
11–508 (40%)
51–2503 (15%)
1,001–5,0003 (15%)
Share of companies with a recorded size, by employees.
No size recorded: 4
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 GPT-Trainer data on this page.
How many companies use GPT-Trainer?
Firmable holds confirmed GPT-Trainer detections for 24 distinct companies, 24 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use GPT-Trainer?
Tyndale University, DonorDock, Inc. and Fuz Global Logistics Llc are among the most prominent in the current set.
What industries use GPT-Trainer?
Information technology and services, education and training and professional and business services lead the set, across 13 industries in total.
What size companies use GPT-Trainer?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are GPT-Trainer users based?
The United States, Canada, Australia and the Philippines account for most detections, across 12 countries.
How current is this data?
24 companies were confirmed in the last 90 days. Last detection 13 October 2026.
