List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including Theobald Software, This Works and Trellis. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
57
$25M - $50M
57
$1.5M
$1M - $10M
57
$10M - $25M
57
$22M
$50M - $100M
57
$1M - $10M
57
$10M - $25M
57
$1M - $10M
57
$25M - $50M
57
$25M - $50M
57
$10M - $25M
57
$1M - $10M
57
$1M - $10M
57
$25M - $50M
57
$10M - $25M
57
$10M - $25M
57
$13M
$10M - $25M
57
$32M
$1M - $10M
57
$50M - $100M
57
$1M - $10M
57
$48M
$25M - $50M
57
$10M - $25M
57
$10M - $25M
57
$10M - $25M
57
$10M - $25M
56
$1M - $10M
56
$25M - $50M
56
$1B - $10B
56
$25M - $50M
56
$25M - $50M
56
$100M - $250M
56
$33M
$25M - $50M
56
$12M
$25M - $50M
56
$50M - $100M
56
$25M - $50M
56
$100M - $250M
56
<$1M
56
$10M - $25M
56
$1M - $10M
56
$50M - $100M
56
$416K
$1M - $10M
56
$3.3M
$25M - $50M
56
$60M
$25M - $50M
56
$18M
$50M - $100M
56
$20M
$25M - $50M
56
$25M - $50M
56
$50M - $100M
56
$22M
$1B - $10B
56
$800K
$1M - $10M
56
$10M - $25M
56
$14M
$25M - $50M
56
$10M - $25M
56
$1M - $10M
56
$50M - $100M
56
$9M
$1M - $10M
56
$1M - $10M
56
$10M - $25M
56
$25M - $50M
56
$50M - $100M
56
$25M - $50M
56
$1M - $10M
56
$24M
$25M - $50M
56
$1M - $10M
56
$1M - $10M
56
$100M - $250M
56
$58M
$25M - $50M
56
$7.2M
$10M - $25M
56
$5M
$1M - $10M
56
$50M - $100M
56
$10M - $25M
56
$25M - $50M
56
$25M - $50M
56
$1M - $10M
56
$1M - $10M
56
$491M
$1M - $10M
56
$50M - $100M
56
$50M - $100M
56
$16M
$10M - $25M
56
$50M - $100M
56
$50M - $100M
56
$25M - $50M
56
$10M - $25M
56
$100M - $250M
56
$15M
$1M - $10M
56
$1M - $10M
56
$5.6M
$1M - $10M
56
$25M - $50M
56
$50M - $100M
56
$1M - $10M
56
$10M - $25M
56
$10M - $25M
56
$19M
$10M - $25M
56
$8.7M
<$1M
56
<$1M
56
$205M
$25M - $50M
56
$50M - $100M
56
$50M - $100M
56
$10M - $25M
56
$50M
$1M - $10M
56
$50M - $100M
56
About companies using OpenAI
Why target companies using OpenAI?
OpenAI is a AI technology. Companies running these tools are already adopting AI assistants and machine learning platforms, the early adopters for AI products and services. Companies on the list include Theobald Software, This Works and Trellis.
Which industries use OpenAI the most?
Among companies using OpenAI on LeadIQ, the most common industries are Software Development, IT Services and IT Consulting, Financial Services, Advertising Services, Higher Education and Technology, Information and Internet. Narrow your list to the industry you sell into from there.
Where are companies using OpenAI located?
Companies using OpenAI are most often headquartered in the United States, the United Kingdom, Canada, Germany, France and Australia.
What other AI technologies do companies use?
Prospecting the wider AI space? Related technologies with their own company lists include Claude by Anthropic, GitHub Copilot, Microsoft 365 Copilot and Amazon SageMaker.
How do I reach decision makers at companies using OpenAI?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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