List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including NTT Germany AG & Co. KG, NYX Gaming Group Ltd and Nielsen India. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
1K
$1M - $10M
1K
<$1M
1K
$10M - $25M
1K
$10M - $25M
1K
<$1M
1K
<$1M
1K
$1M - $10M
1K
$50M - $100M
1K
$10M - $25M
1K
$500M - $1B
1K
$100M - $250M
1K
<$1M
1K
$240M
$50M - $100M
1K
$25M - $50M
1K
$750M
$1M - $10M
1K
$1M - $10M
1K
$25M - $50M
1K
$1M - $10M
1K
$500M - $1B
1K
$1M - $10M
1K
$25M - $50M
1K
$6M
<$1M
1K
<$1M
1K
<$1M
1K
$1M - $10M
1K
$1M - $10M
1K
$1M - $10M
1K
<$1M
1K
$100M - $250M
1K
$1M - $10M
1K
<$1M
1K
$2.5M
$1M - $10M
1K
$1M - $10M
1K
$16M
$1M - $10M
1K
$1M - $10M
1K
$10M - $25M
1K
$25M - $50M
1K
<$1M
1K
$6.5M
$100M - $250M
999
$92M
$500M - $1B
999
$517M
$250M - $500M
998
$110K
$1B - $10B
996
$493M
$1B - $10B
995
$100M - $250M
995
$50M - $100M
993
$1B - $10B
993
$50M - $100M
992
$371M
$500M - $1B
992
$19M
$500M - $1B
992
$457M
$250M - $500M
992
$100M - $250M
992
$529M
$250M - $500M
989
$1B - $10B
989
$38M
$100M - $250M
988
$250M - $500M
987
$250M - $500M
987
$10M
$10M - $25M
986
$579M
$500M - $1B
986
$141M
$1B - $10B
985
$1M - $10M
984
$25M
$500M - $1B
982
$417M
$500M - $1B
982
$250M - $500M
978
$557M
$250M - $500M
978
$1B - $10B
977
$733M
$100M - $250M
976
$50M - $100M
976
$614M
$500M - $1B
975
$25M - $50M
975
$500M - $1B
974
$250M - $500M
971
$1B
$1B - $10B
971
$250M - $500M
970
$500M - $1B
970
$28M
$500M - $1B
970
$140M
$500M - $1B
969
$1M - $10M
969
$310M
$1B - $10B
968
$3.5M
$250M - $500M
967
$1B - $10B
967
$894M
$250M - $500M
967
$25M
$50M - $100M
967
$554M
$50M - $100M
966
$1M - $10M
966
$250M - $500M
965
$1B
$10B+
963
$89M
$25M - $50M
960
$100M - $250M
959
$154M
$100M - $250M
958
$50M - $100M
958
$50M
$1B - $10B
957
$500M - $1B
954
$1B - $10B
954
$100M - $250M
953
$281M
$250M - $500M
952
$6M
$10B+
950
$10M
$500M - $1B
949
$50M - $100M
949
$25M - $50M
948
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 NTT Germany AG & Co. KG, NYX Gaming Group Ltd and Nielsen India.
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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