List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including CenseoHealth, ClearDATA and Duunitori. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
135
$80M
$250M - $500M
135
$1M - $10M
135
$154M
$100M - $250M
135
$36M
$1M - $10M
135
$100M - $250M
135
$50M - $100M
135
$2.2M
$1M - $10M
135
$32M
$100M - $250M
135
$32M
$10M - $25M
135
$5.8M
$50M - $100M
135
$50M - $100M
135
$123M
$25M - $50M
135
$10M - $25M
135
$250M - $500M
135
$10M - $25M
135
$60M
$100M - $250M
135
$50M - $100M
135
$100M - $250M
134
$25M - $50M
134
$322M
$100M - $250M
134
$10M - $25M
134
<$1M
134
$1B - $10B
134
$10M - $25M
134
$500M - $1B
134
$1.6B
$25M - $50M
134
$100M - $250M
134
$1M - $10M
134
$1M - $10M
134
$10M - $25M
134
$7.8M
$50M - $100M
134
$149M
$50M - $100M
134
$50M - $100M
134
$129M
$50M - $100M
134
$36M
$50M - $100M
133
$10M - $25M
133
$25M - $50M
133
$25M - $50M
133
$50M - $100M
133
$41M
$25M - $50M
133
$10M - $25M
133
$2.8M
$500M - $1B
133
$100M - $250M
133
$65M
$25M - $50M
133
$50M - $100M
133
$25M - $50M
133
$1M - $10M
133
$71M
$50M - $100M
132
$50M - $100M
132
$100M
$100M - $250M
132
$48M
$100M - $250M
132
$100M - $250M
132
$100M - $250M
132
$10M - $25M
132
$500M - $1B
132
$10M - $25M
132
$1M - $10M
132
$91M
$25M - $50M
132
$85M
$100M - $250M
131
$50M - $100M
131
$100M - $250M
131
$42M
$50M - $100M
131
$100M - $250M
131
$10M - $25M
131
$2.3M
$10M - $25M
131
$6M
$1M - $10M
131
$25M - $50M
131
$107M
$50M - $100M
131
$1M - $10M
130
$50M - $100M
130
$25M - $50M
130
$10M - $25M
130
$100M - $250M
130
$100M - $250M
130
$100M - $250M
130
$100M
$500M - $1B
130
$15M
$250M - $500M
130
$100M - $250M
130
$38M
$1M - $10M
130
$58M
$50M - $100M
130
$1M - $10M
130
$37M
$10M - $25M
130
$47M
$25M - $50M
129
$65M
$50M - $100M
129
$81M
$100M - $250M
129
$100M - $250M
129
$24M
$10M - $25M
129
$182M
$50M - $100M
129
$1M - $10M
129
$175M
$100M - $250M
129
$1M - $10M
129
$25M - $50M
129
$102M
$100M - $250M
129
$1M - $10M
129
$25M - $50M
129
$50M - $100M
129
$19M
$50M - $100M
129
$53M
$25M - $50M
129
$100M - $250M
129
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 CenseoHealth, ClearDATA and Duunitori.
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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