List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including Karriere Tutor GmbH, Lee Valley Tools and Lepton Software. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
410
$100M - $250M
410
$25M - $50M
410
$10M
$25M - $50M
410
$25M - $50M
410
$1M - $10M
410
$100M - $250M
410
$99M
$50M - $100M
410
$10M - $25M
410
$100M - $250M
410
$158M
$100M - $250M
410
$650M
$1B - $10B
410
$10M - $25M
410
$51M
$100M - $250M
410
$100M - $250M
410
$1M - $10M
410
$56M
$250M - $500M
410
$2.7B
$100M - $250M
410
$43M
$100M - $250M
410
$1B - $10B
409
$500M - $1B
409
$500M - $1B
409
$1M - $10M
409
$50M - $100M
409
$25M - $50M
409
$100M - $250M
409
$1M - $10M
409
$100M - $250M
409
$1M - $10M
409
$250M - $500M
409
$100M - $250M
409
$100M - $250M
409
$1B - $10B
409
$100M - $250M
409
$500M - $1B
409
$10M - $25M
409
$50M - $100M
409
$250M - $500M
409
$100M - $250M
409
$153M
$100M - $250M
409
$250M - $500M
409
$500M - $1B
409
$196M
$250M - $500M
409
$100M - $250M
409
$1M - $10M
408
$100M - $250M
408
$1M - $10M
408
$500M - $1B
408
$250M - $500M
408
$50M - $100M
408
$1B - $10B
408
$250M - $500M
408
$10M - $25M
408
$17M
$100M - $250M
408
$10M - $25M
408
$250M - $500M
408
$500M - $1B
408
$253M
$1B - $10B
408
$876M
$50M - $100M
408
$25M - $50M
408
$43M
$1M - $10M
408
$10M - $25M
408
$28M
$250M - $500M
408
$50M - $100M
407
$100M - $250M
407
$10M - $25M
407
$50M - $100M
407
$100M - $250M
407
$100M - $250M
407
$1B - $10B
407
$18M
$100M - $250M
407
$54M
$250M - $500M
407
$100M - $250M
407
$250M - $500M
407
$100M - $250M
407
$25M - $50M
407
$50M - $100M
407
$4B
$1B - $10B
407
$25M - $50M
407
$500M - $1B
407
$50M - $100M
407
$500M - $1B
407
$1B - $10B
407
$51M
$100M - $250M
407
$25M - $50M
407
$1M - $10M
407
$25M - $50M
407
$250M - $500M
407
$250M - $500M
406
$500M - $1B
406
$1B - $10B
406
$10M - $25M
406
$10M - $25M
406
$500M - $1B
406
$250M - $500M
406
$1M - $10M
406
$222M
$1M - $10M
406
$25M - $50M
406
$250M - $500M
406
$250M - $500M
406
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 Karriere Tutor GmbH, Lee Valley Tools and Lepton Software.
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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