List of Companies Using OpenAI

Prospecting companies using OpenAI? Here they are, biggest first, including Zillion Technologies, Inc., Zum goldenen Hirschen and dwp.. Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
397

$50M - $100M
397

Thailand, Bangkok, Sathon
$250M - $500M
397

$1M - $10M
396

$10M - $25M
396

$500M - $1B
396

$1.1M
$25M - $50M
396

$250M - $500M
396

$10M - $25M
396

$250M - $500M
396

$8.5M
$100M - $250M
396

$100M - $250M
396

$2.6B
$500M - $1B
396

$1M - $10M
396

$100M - $250M
396

$100M - $250M
396

$1M - $10M
396

$10M - $25M
396

$500M - $1B
396

$250M - $500M
396

$250M - $500M
396

$10M - $25M
396

$25M - $50M
396

$50M - $100M
396

$100M - $250M
396

$100M - $250M
395

$100M - $250M
395

$1B - $10B
395

Japan, Tokyo, Shinjuku
$20M
$50M - $100M
395

$100M - $250M
395

$100M - $250M
395

School and Employee Bus Services
$250M - $500M
395

$50M - $100M
395

$100M - $250M
395

$250M - $500M
395

$50M - $100M
395

$100M - $250M
395

$25M - $50M
395

$500M - $1B
395

$65M
$50M - $100M
395

$50M - $100M
395

$100M - $250M
395

$33M
$1B - $10B
395

$100M - $250M
395

$500M - $1B
395

$1.8B
$100M - $250M
395

$100M - $250M
395

$50M - $100M
395

$1M - $10M
395

Poland, Greater Poland, Poznań
$25M - $50M
395

$25M - $50M
395

$100M - $250M
394

$1M - $10M
394

Austria, Steiermark, Schladming
$1M - $10M
394

$1B - $10B
394

$1M - $10M
394

$74M
$25M - $50M
394

$250M - $500M
394

$18M
$100M - $250M
394

$1M - $10M
394

$100M - $250M
394

$140M
$25M - $50M
394

$250M - $500M
394

$10M - $25M
394

$250M - $500M
394

$100M - $250M
394

Rwanda, Kigali, Kigali
$1M - $10M
394

$620M
$250M - $500M
394

$10M
$100M - $250M
393

$250M - $500M
393

$50M - $100M
393

$50M - $100M
393

$250M - $500M
393

$303M
$100M - $250M
393

$100M - $250M
393

$250M - $500M
393

$100M - $250M
393

$250M - $500M
393

$50M - $100M
393

Portugal, Lisbon, Carnaxide
$1M - $10M
393

$88M
$100M - $250M
393

Vietnam, hồ Chí Minh, Tân Phú Trung
$107M
$25M - $50M
393

$183M
$50M - $100M
393

$50M - $100M
393

$5M
$25M - $50M
393

$100M - $250M
393

$500M - $1B
393

$450M
$500M - $1B
393

$12M
$50M - $100M
393

$25M - $50M
393

$250M - $500M
393

$361M
$100M - $250M
393

$25M - $50M
393

$100M - $250M
393

$201M
$250M - $500M
393

$4B
$100M - $250M
393

$100M - $250M
393

$27M
$1M - $10M
393

$10M - $25M
393

$25M - $50M
393

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 Zillion Technologies, Inc., Zum goldenen Hirschen and dwp..

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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