List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including Healthmark, Irion and Kirby Building Systems, A Nucor Company. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
270
$10M - $25M
270
$100M - $250M
270
$66M
$50M - $100M
270
$1M - $10M
270
$10M - $25M
270
$100M - $250M
270
$214K
$1M - $10M
270
$1M - $10M
270
$250M - $500M
270
$130M
$250M - $500M
270
$11M
$100M - $250M
270
$200M
$100M - $250M
270
$50M - $100M
270
$50M - $100M
270
$2.2M
$10M - $25M
270
$10M - $25M
270
$250M - $500M
270
$250M - $500M
269
$100M - $250M
269
$1M - $10M
269
$5M
$100M - $250M
269
$250M - $500M
269
$100M - $250M
269
$100M - $250M
269
$25M - $50M
269
$10M - $25M
269
$50M - $100M
269
$10M
$1B - $10B
269
$100M - $250M
269
$100M - $250M
269
$30M
$250M - $500M
269
$100M - $250M
269
$1M - $10M
269
$50M - $100M
269
$57M
$50M - $100M
269
$25M - $50M
269
$250M - $500M
269
$250M - $500M
269
$72M
$250M - $500M
269
$89M
$250M - $500M
269
$1M - $10M
269
$10M - $25M
269
$10M - $25M
269
$745M
$250M - $500M
269
$50M - $100M
269
$165M
$100M - $250M
269
$500M - $1B
269
$250M - $500M
269
$10M - $25M
269
$250M - $500M
269
$1B - $10B
269
$50M - $100M
269
$50M - $100M
269
$100M - $250M
269
$102K
$10M - $25M
269
$250M - $500M
269
$250M - $500M
269
$100M - $250M
269
$1M - $10M
269
$50M - $100M
268
$100M - $250M
268
$176M
$500M - $1B
268
$638M
$250M - $500M
268
$12M
$100M - $250M
268
$10M - $25M
268
$25M - $50M
268
$100M - $250M
268
$50M - $100M
268
$250M - $500M
268
$100M - $250M
268
$23M
<$1M
268
$100M - $250M
268
$100M - $250M
268
$5.3M
$100M - $250M
268
$250M - $500M
268
$1M - $10M
268
$100M - $250M
268
$999M
$10M - $25M
268
$100M - $250M
268
$327M
$10M - $25M
268
$100M - $250M
268
$50M - $100M
268
$190M
$250M - $500M
268
$41M
$25M - $50M
268
$1M - $10M
268
$50M - $100M
268
$13M
$10M - $25M
268
$250M - $500M
268
$46M
$1B - $10B
268
$25M - $50M
268
$1B - $10B
268
$25M - $50M
268
$10M - $25M
268
$145M
$100M - $250M
268
$50M - $100M
268
$10M - $25M
267
$1B - $10B
267
$100M
$100M - $250M
267
$1M - $10M
267
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 Healthmark, Irion and Kirby Building Systems, A Nucor Company.
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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