List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Jetblue Airlines, Josys and Kappa Alpha Psi Fraternity Inc. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
201
$218M
$25M - $50M
201
$1M - $10M
201
$25M - $50M
201
$25M - $50M
201
$10M - $25M
201
$1M - $10M
201
$1B - $10B
201
$1M - $10M
201
$100M - $250M
201
$10M - $25M
201
$1M - $10M
201
<$1M
201
$1M - $10M
201
$10M - $25M
201
$50M - $100M
201
$25M - $50M
201
$161M
$1M - $10M
201
$1M - $10M
201
<$1M
201
$10M - $25M
201
$25M - $50M
201
$10M - $25M
201
$73M
$1M - $10M
201
$1M - $10M
201
$1M - $10M
201
$10M - $25M
201
$1M - $10M
201
$1M - $10M
201
$409M
$10M - $25M
201
$25M - $50M
201
$2M
$10M - $25M
201
$10M - $25M
201
$1M - $10M
201
<$1M
201
$50M - $100M
201
$42M
$25M - $50M
201
$25M - $50M
201
$1M - $10M
201
$10M - $25M
201
$250M - $500M
201
<$1M
201
$1M - $10M
201
$25M - $50M
201
$250M - $500M
201
<$1M
201
$25M - $50M
201
$250M - $500M
201
<$1M
201
$50M - $100M
201
$1M - $10M
201
$50M - $100M
201
$1M - $10M
201
$25M - $50M
201
$10M - $25M
201
<$1M
201
$100M - $250M
201
$10M
$25M - $50M
201
$1M - $10M
201
$40M
$50M - $100M
201
$6.1M
$1M - $10M
201
$25M - $50M
201
<$1M
201
$100M - $250M
201
$250M - $500M
201
$1M - $10M
201
$1M - $10M
201
$100M - $250M
201
<$1M
201
$1M - $10M
201
$21M
$1M - $10M
200
$92M
$100M - $250M
200
$528M
$50M - $100M
200
$100M - $250M
200
$106M
$100M - $250M
200
$10M - $25M
200
$46M
$50M - $100M
200
$100M - $250M
200
$39M
$10M - $25M
199
$115M
$100M - $250M
199
$195M
$50M - $100M
199
$1M - $10M
199
<$10M
199
$206M
$1M - $10M
199
$1M - $10M
199
$100M - $250M
199
$25M - $50M
199
$100M - $250M
199
$24M
$25M - $50M
199
$17M
$50M - $100M
198
$100M - $250M
198
$140M
$100M - $250M
198
$100M - $250M
198
$1M - $10M
198
$212M
$50M - $100M
198
$25M - $50M
198
$10M
$10M - $25M
198
$90M
$1B - $10B
198
$400K
$10M - $25M
198
$1B - $10B
197
About companies using CircleCI
Why target companies using CircleCI?
CircleCI is a DevOps & observability technology. These are the tools engineering teams build, ship and monitor with, and their users are buyers of developer tools, infrastructure and services. Companies on the list include Jetblue Airlines, Josys and Kappa Alpha Psi Fraternity Inc.
Which industries use CircleCI the most?
Among companies using CircleCI on LeadIQ, the most common industries are Software Development, IT Services and IT Consulting, Financial Services, Technology, Information and Internet, Insurance and Hospitals and Health Care. Narrow your list to the industry you sell into from there.
Where are companies using CircleCI located?
Companies using CircleCI are most often headquartered in the United States, the United Kingdom, Canada, France, India and Germany.
What other DevOps & observability technologies do companies use?
Prospecting the wider DevOps & observability space? Related technologies with their own company lists include GitHub, New Relic, Docker and Kubernetes.
How do I reach decision makers at companies using CircleCI?
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
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
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