List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Tango, Cedar and UST España & Latam. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$376M
$1B - $10B
816
$419M
$500M - $1B
815
$250M - $500M
815
$1.1M
$50M - $100M
814
$100M - $250M
813
$250M - $500M
813
$250M - $500M
813
$165M
$250M - $500M
812
$100M - $250M
812
$500M - $1B
811
$50M - $100M
811
$100M - $250M
810
$50M - $100M
809
$61M
$250M - $500M
809
$445M
$250M - $500M
808
$680M
$250M - $500M
807
$100M - $250M
807
$1.7B
$500M - $1B
806
$169M
$250M - $500M
806
$100M - $250M
805
$500M - $1B
805
$250M - $500M
805
$500M - $1B
804
$1B - $10B
804
$250M - $500M
804
$537M
$250M - $500M
800
$1.1B
$250M - $500M
800
$100M - $250M
800
$511M
$500M - $1B
799
$25M - $50M
796
$100M - $250M
796
$1B - $10B
795
$1.4B
$100M - $250M
795
$1B - $10B
793
$10M - $25M
792
$100M - $250M
791
$117M
$250M - $500M
790
$50M - $100M
790
$1M - $10M
789
$500M - $1B
789
$479M
$250M - $500M
789
$264K
$500M - $1B
788
$100M - $250M
788
$436M
$250M - $500M
788
<$1M
785
$100M - $250M
783
$50M - $100M
782
$10M - $25M
782
$100M - $250M
781
$100M - $250M
781
$103M
$50M - $100M
781
$500M - $1B
779
$25M - $50M
779
$50M - $100M
779
$250M - $500M
778
$100M - $250M
778
$112M
$1B - $10B
778
$500M - $1B
778
$891M
$250M - $500M
777
$10M - $25M
777
$100M - $250M
777
$100M - $250M
776
$500M - $1B
776
$500M
$100M - $250M
774
$192M
$250M - $500M
774
$500M - $1B
773
$250M - $500M
773
$10M - $25M
772
$97M
$25M - $50M
771
$496M
$10M - $25M
771
$500M - $1B
770
$97M
$1M - $10M
770
$100M - $250M
770
$500M - $1B
768
$397M
$500M - $1B
767
$261M
$250M - $500M
766
$50M - $100M
766
$250M - $500M
761
$1B - $10B
760
$18M
$10M - $25M
759
$323M
$250M - $500M
757
$50M - $100M
757
$100M - $250M
755
$322M
$50M - $100M
753
$250M - $500M
752
$1B - $10B
751
$822M
$500M - $1B
750
$500M - $1B
749
$50M - $100M
749
$500M - $1B
749
$500M - $1B
747
$25M - $50M
747
$500M - $1B
746
$514M
$500M - $1B
746
$1.7M
$1B - $10B
745
$50M - $100M
745
$100M - $250M
744
$2.4M
$25M - $50M
744
$220M
$100M - $250M
744
$1B - $10B
744
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 Tango, Cedar and UST España & Latam.
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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