List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including Tiger Aspect, Tookitaki and TuoTempo. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
127
$41M
$50M - $100M
127
$1M - $10M
127
<$1M
127
$1M - $10M
127
$10M - $25M
127
$50M - $100M
127
$34M
$25M - $50M
127
$1M - $10M
127
$121M
$50M - $100M
127
$159M
$25M - $50M
127
$10M - $25M
127
$1.8B
$250M - $500M
127
$10M - $25M
126
$1M - $10M
126
$25M - $50M
126
$50M - $100M
126
$50M - $100M
126
$10M - $25M
126
$50M - $100M
126
$1B - $10B
126
$270M
$10B+
126
$27M
$1M - $10M
126
$3.9M
$10M - $25M
126
$37M
$100M - $250M
126
$100M - $250M
126
$25M - $50M
126
$50M - $100M
126
$61M
$50M - $100M
126
$25M - $50M
126
<$1M
126
$10M - $25M
126
$25M - $50M
126
$1M - $10M
126
$100M - $250M
126
$155M
$1M - $10M
126
$57M
$100M - $250M
126
$250M - $500M
126
$4.4M
$1M - $10M
126
$25M - $50M
126
$1M - $10M
126
$1M - $10M
126
$100M - $250M
126
$7.5M
$10M - $25M
126
$77M
$10M - $25M
126
$25M - $50M
126
$25M - $50M
126
$100M - $250M
126
$300K
$10M - $25M
126
$10M
$25M - $50M
126
$4M
$10M - $25M
126
$50M - $100M
126
$50M - $100M
126
$50M - $100M
126
$10M - $25M
126
$25M - $50M
126
$1M - $10M
126
$250M - $500M
126
$10M - $25M
126
$100M - $250M
126
$50M - $100M
126
$500M - $1B
126
<$1M
126
$140M
$50M - $100M
126
$100M - $250M
126
$250M - $500M
126
$32M
$10M - $25M
126
$50M - $100M
126
$100M - $250M
126
$250M - $500M
126
$100M - $250M
126
$56M
$10M - $25M
126
$50M - $100M
126
$58M
$25M - $50M
126
$100M - $250M
126
$50M - $100M
126
$1M - $10M
126
$50M - $100M
126
$25M - $50M
126
$100M - $250M
126
$25M - $50M
126
$29M
$50M - $100M
126
$250M - $500M
126
$25M - $50M
126
$50M - $100M
126
$50M - $100M
126
$25M - $50M
126
$1M - $10M
126
$250M - $500M
126
$11M
$500M - $1B
126
$68M
$50M - $100M
126
$25M - $50M
126
$10M - $25M
126
$125M
$250M - $500M
126
$25M - $50M
126
$100M - $250M
126
$32M
$1M - $10M
126
$10M - $25M
126
$17M
$50M - $100M
126
$32M
$50M - $100M
126
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 Tiger Aspect, Tookitaki and TuoTempo.
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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Top companies by employee count
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