List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including Brook + Whittle, Capula Investment Management LLP and City of Marion. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$134M
$1B - $10B
515
$1B - $10B
515
$25M - $50M
515
$5.8B
$500M - $1B
515
$138M
$1B - $10B
515
$25M - $50M
515
$1B - $10B
515
$1B - $10B
515
$25M - $50M
515
$1M - $10M
515
$463M
$100M - $250M
515
$10M - $25M
515
$3.1M
$25M - $50M
515
$250M - $500M
515
$10M - $25M
515
$10M - $25M
515
$100M - $250M
514
$250M - $500M
514
$1M - $10M
514
$50M - $100M
514
$100M - $250M
514
$500M - $1B
514
$250M - $500M
514
$37M
$100M - $250M
514
$250M - $500M
514
$500M - $1B
514
$100M - $250M
514
$1B - $10B
514
$10M - $25M
513
$1M - $10M
513
$100M - $250M
513
$50M - $100M
513
$100M - $250M
513
$100M - $250M
513
$100M - $250M
513
$432M
$500M - $1B
513
$181M
$25M - $50M
513
$250M - $500M
513
$250M - $500M
513
$1B - $10B
513
$50M - $100M
513
$250M - $500M
513
$50M - $100M
513
$250M - $500M
513
$100K
$500M - $1B
513
$368M
$500M - $1B
513
$23M
$250M - $500M
513
$50M - $100M
513
$500M - $1B
513
$250M - $500M
512
$2.3B
$500M - $1B
512
$100M - $250M
512
$387M
$100M - $250M
512
$100M - $250M
512
$1B - $10B
512
$25M - $50M
512
$100M - $250M
512
$10M - $25M
512
$50M - $100M
512
$1B - $10B
512
$346M
$100M - $250M
512
$1B - $10B
512
$10M - $25M
512
$1M - $10M
512
$100M - $250M
512
$1B - $10B
512
$1B - $10B
512
$1B - $10B
512
$250M - $500M
512
$10M - $25M
512
$100M - $250M
512
<$1M
511
$50M - $100M
511
$4.1B
$250M - $500M
511
$357M
$250M - $500M
511
$1M - $10M
511
$25M - $50M
511
$25M - $50M
511
$25M - $50M
511
$25M - $50M
511
$1M - $10M
511
$1M - $10M
511
$250M - $500M
511
$1M - $10M
511
$100M - $250M
511
$250M - $500M
511
$250K
$25M - $50M
511
$10M - $25M
511
$250M - $500M
511
$37M
$25M - $50M
511
$100M - $250M
510
$1B - $10B
510
$25M - $50M
510
$1M - $10M
510
$113M
$10M - $25M
510
$1B - $10B
510
$10M - $25M
510
$1B - $10B
510
$1B - $10B
510
$25M - $50M
510
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 Brook + Whittle, Capula Investment Management LLP and City of Marion.
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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