List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including Instinctools, JM Finn and Kiefel. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
342
$100M - $250M
342
$10M - $25M
342
$100M - $250M
342
$250M - $500M
342
$47M
$100M - $250M
342
$500M - $1B
342
$1B - $10B
342
$567M
$250M - $500M
342
$500M - $1B
342
$50M - $100M
342
$1B - $10B
342
$91M
$100M - $250M
342
$50M - $100M
342
$450M
$50M - $100M
342
$250M - $500M
342
$2.6B
$100M - $250M
341
$539M
$250M - $500M
341
$10M
$50M - $100M
341
$250M - $500M
341
$250M - $500M
341
$1B - $10B
341
$100M - $250M
341
$100M - $250M
341
$250M - $500M
341
$100M - $250M
341
$50M - $100M
341
$500M - $1B
341
$14M
$1M - $10M
341
$8.8M
$100M - $250M
341
$1M - $10M
341
$250M - $500M
341
$100M - $250M
341
$500M - $1B
341
$16M
$250M - $500M
341
$1M - $10M
341
$7M
$100M - $250M
341
$250M - $500M
341
$50M - $100M
341
$1.1M
$10M - $25M
341
$1M - $10M
341
$10M - $25M
341
$50M - $100M
341
$1M - $10M
341
$1B - $10B
341
$50M - $100M
341
$1M - $10M
341
$10M - $25M
341
$1B - $10B
341
$100M - $250M
340
$100M - $250M
340
$50M - $100M
340
$10M - $25M
340
$1B - $10B
340
$50M - $100M
340
$100M - $250M
340
$50M - $100M
340
$25M - $50M
340
$100M
$250M - $500M
340
$250M - $500M
340
$151M
$100M - $250M
340
$12M
$10M - $25M
340
$250M - $500M
340
$65M
$25M - $50M
340
$1M - $10M
340
$730M
$50M - $100M
340
$10M - $25M
340
$500M - $1B
340
$10M - $25M
340
$50M - $100M
340
$100M - $250M
339
$1B - $10B
339
$66M
$50M - $100M
339
$25M - $50M
339
$250M - $500M
339
$12M
$1B - $10B
339
$25M - $50M
339
$50M - $100M
339
$25M - $50M
339
$10M - $25M
339
$55M
$100M - $250M
339
$25M - $50M
339
$150M
$100M - $250M
339
$100M - $250M
339
$100M - $250M
339
$25M - $50M
339
$134M
$100M - $250M
339
$1M - $10M
339
$250M - $500M
339
$100M - $250M
339
$500M - $1B
339
$1M - $10M
339
$250M - $500M
339
$250M - $500M
339
$434M
$100M - $250M
339
$58M
$250M - $500M
339
$100M - $250M
339
$100M - $250M
339
$1B
$100M - $250M
339
$10B+
339
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 Instinctools, JM Finn and Kiefel.
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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