List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including GRAMMER Americas, NYC Department of Youth & Community Development and Rocklin Unified School District. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
671
$100M - $250M
671
$10M - $25M
671
$17M
$100M - $250M
671
$1B - $10B
670
$500M - $1B
670
$250M - $500M
670
$1B - $10B
670
$500M - $1B
670
$25M - $50M
670
$95M
$500M - $1B
670
$1M - $10M
670
$1.1B
$250M - $500M
670
$100M - $250M
670
$250M - $500M
670
$1B - $10B
669
$44M
$1M - $10M
669
$438M
$500M - $1B
669
$104M
$100M - $250M
669
$700M
$500M - $1B
669
$10M - $25M
669
$165M
$25M - $50M
669
$500M - $1B
669
$100M - $250M
669
$100M - $250M
669
$10M - $25M
669
$1B - $10B
669
$25M - $50M
669
$500M - $1B
669
$1M - $10M
669
$520M
$1B - $10B
669
$435M
$500M - $1B
668
$10M - $25M
668
$1M - $10M
668
$250M - $500M
668
$50M - $100M
668
$37M
$100M - $250M
668
$1B - $10B
668
$119M
$250M - $500M
668
$1B
$100M - $250M
668
$100M - $250M
668
$500M - $1B
668
$50M - $100M
667
$100M - $250M
667
$1M - $10M
667
$50M
$25M - $50M
667
$211M
$500M - $1B
667
$250M - $500M
667
$112M
$250M - $500M
667
$10M - $25M
666
$25M - $50M
666
$100M - $250M
666
$1B - $10B
666
$100M - $250M
666
$1M - $10M
666
$250M - $500M
666
$250M - $500M
666
$100M - $250M
666
$250M - $500M
665
$100M - $250M
665
$50M - $100M
665
$1M - $10M
665
$500M - $1B
665
$10M - $25M
664
$267K
$500M - $1B
664
$500M - $1B
664
$250M - $500M
664
$4.8M
$50M - $100M
664
$500M - $1B
664
$52M
$500M - $1B
664
$25M - $50M
664
$100M - $250M
664
$500M - $1B
664
$100M - $250M
664
$50M - $100M
663
$1.3B
$50M - $100M
663
$173M
$250M - $500M
663
$250M - $500M
663
$250M - $500M
663
$25M - $50M
663
$219K
$25M - $50M
663
$500M - $1B
663
$1.4B
<$1M
663
$161M
$250M - $500M
663
$500M - $1B
663
$250M - $500M
663
$25M - $50M
663
$250M - $500M
662
$271M
$250M - $500M
662
$250M - $500M
662
$25M - $50M
662
$250M - $500M
662
$300K
$1B - $10B
662
$10M - $25M
662
$100M - $250M
662
$500M - $1B
662
$10B+
662
$325M
$100M - $250M
662
$500M - $1B
662
$145M
$50M - $100M
661
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 GRAMMER Americas, NYC Department of Youth & Community Development and Rocklin Unified School District.
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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