List of Companies Using OpenAI
Prospecting companies using OpenAI? Here they are, biggest first, including HIH Real Estate / HIH-Gruppe, Infrastructure and Energy Alternatives, Inc. (IEA), a MasTec Company and LINKIT. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
311
$10B
$100M - $250M
311
$10M - $25M
311
$11M
$1M - $10M
311
$1M - $10M
311
$250M - $500M
311
<$1M
311
$50M - $100M
311
$55M
$100M - $250M
311
$100M - $250M
311
$10M - $25M
311
$100M - $250M
311
$1M - $10M
311
$1.4M
$100M - $250M
311
$1B - $10B
311
$100M - $250M
310
$100M - $250M
310
$241M
$100M - $250M
310
$100M - $250M
310
$100M - $250M
310
$10M - $25M
310
$189M
$250M - $500M
310
$64M
$100M - $250M
310
$250M - $500M
310
$250M - $500M
310
$250M - $500M
310
$10M - $25M
310
$250M - $500M
310
$25M - $50M
310
$250M - $500M
310
$250M - $500M
310
$100M - $250M
310
$100M - $250M
310
$4.4M
<$1M
310
$50M - $100M
310
$1M - $10M
310
$125M
$10M - $25M
310
$500M - $1B
310
$10M
$10M - $25M
310
$80M
$250M - $500M
310
$100M - $250M
310
$1B - $10B
310
$100M - $250M
310
$50M - $100M
310
$100M - $250M
310
$250M - $500M
310
$214K
$1M - $10M
310
$50M - $100M
310
$1M - $10M
310
$10M - $25M
310
$112M
$100M - $250M
310
$10M - $25M
310
$8M
$10M - $25M
310
$406M
$500M - $1B
310
$250M - $500M
309
$50M - $100M
309
$100M - $250M
309
$100M - $250M
309
$50M - $100M
309
$1M - $10M
309
$250M - $500M
309
$100M - $250M
309
$33M
$50M - $100M
309
$100M - $250M
309
$500M - $1B
309
$250M - $500M
309
$1M - $10M
309
$1M - $10M
309
$100M - $250M
309
$100M - $250M
309
$100M - $250M
309
$1B - $10B
309
$19M
$25M - $50M
309
$100M - $250M
309
$50M - $100M
309
$1M
$10M - $25M
309
$10M - $25M
309
$217M
$50M - $100M
309
$150M
$50M - $100M
309
$250M - $500M
309
$120M
$100M - $250M
309
$100M - $250M
309
$50M - $100M
309
$20M
$250M - $500M
309
$1B - $10B
309
$50M - $100M
309
$100M - $250M
309
$37M
$10M - $25M
309
$500M - $1B
309
$100M - $250M
309
$50M - $100M
309
$50M - $100M
309
$500M - $1B
309
$100M - $250M
309
$250M - $500M
308
$10M - $25M
308
$1M
$50M - $100M
308
$100M - $250M
308
$100M - $250M
308
$1M - $10M
308
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 HIH Real Estate / HIH-Gruppe, Infrastructure and Energy Alternatives, Inc. (IEA), a MasTec Company and LINKIT.
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.
Search by Industry
ConstructionIT Services and IT ConsultingSoftware DevelopmentFinancial ServicesReal EstateHospitals and Health CareAdvertising ServicesNon-profit OrganizationsInsuranceLaw PracticeRetailWellness and Fitness ServicesBusiness Consulting and ServicesEducation Administration ProgramsMotor Vehicle ManufacturingTechnology, Information and InternetFood and Beverage ServicesStaffing and RecruitingAccountingOil and GasHospitalityAppliances, Electrical, and Electronics ManufacturingManufacturingArchitecture and PlanningMachinery Manufacturing
Search by Country
United StatesUnited KingdomCanadaGermanyAustraliaFranceNetherlandsIndiaSpainSwitzerlandItalySwedenBrazilBelgiumSingaporeIrelandUnited Arab EmiratesDenmarkSouth AfricaIsraelNew ZealandNorwayFinland
Search by Technology
Claude by AnthropicGitHub CopilotMicrosoft 365 CopilotAmazon SageMakerHugging FaceVertex AIAzure AI ServicesCursor Code EditorMicrosoft 365WordPressAmazon Web ServicesGoogle CloudGoogle WorkspaceShopifyHubSpotiCIMSPiwik PROAdobe Creative CloudLinkedIn AdsMicrosoft AdvertisingMicrosoft AzureGoogle AdsSalesforceHotjarWP Engine
Top companies by employee count
Top companies in United States by employee countTop companies in United Kingdom by employee countTop companies in Canada by employee countTop companies in Germany by employee countTop companies in France by employee countTop companies in Australia by employee countTop companies in Netherlands by employee countTop companies in India by employee countTop companies in Spain by employee countTop companies in Switzerland by employee countTop companies in Sweden by employee countTop companies in Italy by employee countTop companies in Denmark by employee countTop companies in Brazil by employee countTop companies in Ireland by employee count
1-888-653-2347 
support@leadiq.com © LeadIQ, Inc. All rights reserved.
