List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including CPS, CallRail and Cartesian. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
359
$137M
$250M - $500M
359
$5.3M
$250M - $500M
359
$72M
$100M - $250M
359
$250M - $500M
359
$250M - $500M
359
$216M
$100M - $250M
359
$1M - $10M
359
$100M - $250M
359
$250M - $500M
359
$81M
$50M - $100M
359
$1M - $10M
359
$25M - $50M
359
$500M - $1B
359
$1M - $10M
359
$245M
$100M - $250M
359
$18M
$1M - $10M
359
$500M - $1B
359
$25M - $50M
359
$1.2B
$50M - $100M
359
$174M
$10M - $25M
359
$50M - $100M
359
$36M
$50M - $100M
359
$25M - $50M
359
$500M - $1B
359
$10M - $25M
359
$4B
$100M - $250M
359
$1B - $10B
359
$25M - $50M
359
$25M - $50M
359
$45M
$50M - $100M
359
$50M - $100M
359
$25M - $50M
359
$500M - $1B
358
$25M - $50M
358
$250M - $500M
358
$500M - $1B
358
$100M - $250M
358
$315M
$100M - $250M
358
$250M - $500M
358
$100M - $250M
358
$25M - $50M
358
$250M - $500M
358
$250M - $500M
358
$1M - $10M
358
$1M - $10M
358
$10B+
358
$15M
<$1M
358
$50M - $100M
358
$1M - $10M
358
$100M - $250M
358
$100M - $250M
358
$25M - $50M
358
$10M - $25M
358
$25M - $50M
358
$1M - $10M
358
$100M - $250M
358
$50M - $100M
358
$1M - $10M
358
$500M - $1B
358
$50M - $100M
358
$1B - $10B
358
$100M - $250M
357
$25M - $50M
357
$250M - $500M
357
$50M - $100M
357
$60M
$250M - $500M
357
$283M
$250M - $500M
357
$1B - $10B
357
$25M - $50M
357
$100M - $250M
357
$14M
$250M - $500M
357
$100M - $250M
357
$500M - $1B
357
$10M - $25M
357
$100M - $250M
357
$326M
$50M - $100M
357
$1M - $10M
357
$1B - $10B
357
$10M - $25M
357
$100M - $250M
357
$100M - $250M
357
$250M - $500M
357
$1M - $10M
357
$25M - $50M
357
$1M
$1B - $10B
357
$25M
$500M - $1B
357
$25M - $50M
357
$10M - $25M
357
$100M - $250M
357
$10M - $25M
357
$159M
$1M - $10M
357
$4M
$100M - $250M
357
$1.1B
$500M - $1B
357
$118M
$1M - $10M
357
$1B - $10B
356
$500M - $1B
356
$250M - $500M
356
$2.6M
$250M - $500M
356
$50M - $100M
356
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 CPS, CallRail and Cartesian.
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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