List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Red Badger, Tamr and Terawatt. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
112
$69M
$50M - $100M
112
$1.2B
$25M - $50M
112
$25M - $50M
112
$17M
$10M - $25M
112
$10M - $25M
112
$22M
$25M - $50M
112
$215M
$10M - $25M
112
$39M
$25M - $50M
112
$10M - $25M
111
$100M - $250M
111
$43M
$50M - $100M
111
$1M - $10M
111
$32M
$25M - $50M
111
$2.8M
$1M - $10M
111
$25M - $50M
111
$50M - $100M
111
$1M - $10M
111
$1M - $10M
111
$3.7M
$10M - $25M
111
$100M - $250M
111
$100M - $250M
110
$50M - $100M
110
$297M
$100M - $250M
110
$100M - $250M
110
$8.5M
$250M - $500M
110
$100M - $250M
110
$28M
$25M - $50M
110
$50M - $100M
110
$138M
$10M - $25M
110
$134M
$10M - $25M
110
$55M
$1M - $10M
110
$43M
$10M - $25M
110
$1M - $10M
110
$500M - $1B
109
$207M
$50M - $100M
109
$29M
$250M - $500M
109
$100M - $250M
109
$10M - $25M
109
$1.7M
$250M - $500M
109
$10M - $25M
109
$100M - $250M
109
$692K
$50M - $100M
109
$10M - $25M
109
$25M - $50M
109
$100M - $250M
109
$24M
$100M - $250M
109
$10M - $25M
109
$25M - $50M
109
$50M - $100M
109
$10M - $25M
109
$10M - $25M
108
$50M - $100M
108
$1.8M
$1M - $10M
108
$50M - $100M
108
<$1M
108
$250M - $500M
108
$100M - $250M
108
$100M - $250M
108
$25M - $50M
108
$32M
$10M - $25M
108
$10M - $25M
108
$1M - $10M
108
$40M
$50M - $100M
107
$10M - $25M
107
$63M
$100M - $250M
107
$50M - $100M
107
$214M
$50M - $100M
107
$100M - $250M
107
$199M
$10M - $25M
107
$1M - $10M
107
$250M - $500M
107
$65M
$25M - $50M
107
$1M - $10M
107
$122M
$100M - $250M
107
$10M - $25M
107
$40M
$10M - $25M
107
$1B - $10B
107
$1M - $10M
107
$100M - $250M
107
$1M - $10M
107
$50M - $100M
107
$1.1M
$25M - $50M
107
$11M
$1M - $10M
107
$25M
$10M - $25M
107
$25M - $50M
107
$1M - $10M
107
$1M - $10M
106
$2M
$1M - $10M
106
$10M - $25M
106
$500M - $1B
106
$50M
<$1M
106
$25M - $50M
106
$93M
$25M - $50M
106
$100M - $250M
106
$86M
$100M - $250M
106
$482K
<$1M
106
$36M
$50M - $100M
106
$100M - $250M
106
$1M - $10M
106
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 Red Badger, Tamr and Terawatt.
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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