List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including Portwest, Q3 Technologies and Sky Lakes Medical Center. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
790
$50M - $100M
790
$5K
$100M - $250M
790
$2.6B
$500M - $1B
790
$1B - $10B
789
$1B - $10B
789
$383M
$1B - $10B
789
$8.7M
$100M - $250M
789
$250M - $500M
789
$1B - $10B
789
$479M
$250M - $500M
789
$500M - $1B
789
$677M
$25M - $50M
789
$100M - $250M
788
$50M - $100M
788
$100M - $250M
788
$25M - $50M
788
$436M
$250M - $500M
788
$25M - $50M
787
$1B - $10B
787
$100M - $250M
787
$74M
$50M - $100M
787
$250M - $500M
787
$25M - $50M
787
$336M
$100M - $250M
787
$500M - $1B
787
$500M - $1B
787
$250M - $500M
787
$1B - $10B
787
$10M - $25M
787
$1M - $10M
787
$350M
$1B - $10B
787
$1B - $10B
786
$96M
$500M - $1B
786
$25M - $50M
786
$500M - $1B
786
$1M - $10M
785
$80M
$250M - $500M
785
$163M
$1B - $10B
785
$100M - $250M
785
$250M - $500M
784
$250M - $500M
784
$276M
$250M - $500M
784
$50M - $100M
784
$391M
$500M - $1B
784
$2.8M
$1B - $10B
784
$100M - $250M
784
$100M - $250M
784
$350M
$1B - $10B
784
$50M - $100M
784
$31M
$1B - $10B
784
$500M - $1B
784
$277M
$250M - $500M
784
$50M - $100M
783
$250M - $500M
783
$55M
$1B - $10B
783
$25M - $50M
783
$100M - $250M
783
$25M - $50M
783
$100M - $250M
783
$100M - $250M
783
$100M - $250M
783
$233K
$1B - $10B
782
$50M - $100M
782
$50M - $100M
782
$100M - $250M
781
$25M - $50M
781
$25M - $50M
781
$100M - $250M
781
$10B+
781
$500M - $1B
781
$100M - $250M
781
$250M - $500M
781
$10M - $25M
781
$100M - $250M
781
$100M - $250M
781
$250M - $500M
780
$429M
$100M - $250M
780
$250M - $500M
780
$1.8B
$1B - $10B
780
$58M
$50M - $100M
780
$50M - $100M
780
$50M - $100M
780
$1.1M
$25M - $50M
780
$41M
$100M - $250M
779
$24M
$25M - $50M
779
$10M - $25M
779
$500M - $1B
779
$1B - $10B
779
$1M - $10M
779
$500M - $1B
779
$186M
$50M - $100M
779
$345M
$250M - $500M
779
$25M - $50M
779
$1M - $10M
779
$50M - $100M
779
$103M
$50M - $100M
779
$100M - $250M
778
$500M - $1B
778
$250M - $500M
778
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 Portwest, Q3 Technologies and Sky Lakes Medical Center.
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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