List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including NYFIX - now part of Broadridge Trading and Connectivity Solutions, Nightfall AI and Romax Technology. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
118
$60M
$25M - $50M
118
$50M - $100M
118
$33M
$25M - $50M
118
$1M - $10M
118
$250M - $500M
118
$10M - $25M
118
$50M - $100M
117
$84M
$10M - $25M
117
$100M - $250M
117
$10M - $25M
117
$285M
$100M - $250M
117
$100M - $250M
117
$1M - $10M
117
$100M - $250M
117
$50M - $100M
117
$10M - $25M
117
$50M - $100M
117
$198M
$100M - $250M
117
$25M - $50M
117
$45M
$10M - $25M
117
$250M - $500M
117
$100M - $250M
116
$100M - $250M
116
$1M
$10M - $25M
116
$10M - $25M
116
$250M - $500M
116
$2.1M
$1M - $10M
116
<$1M
116
$50M - $100M
116
$100M - $250M
116
$50M - $100M
116
$50M - $100M
115
$25M - $50M
115
$1M
$1B - $10B
115
$11M
<$1M
115
$30M
$500M - $1B
115
$46M
$100M - $250M
115
$25M - $50M
115
$643M
$100M - $250M
115
$70M
$50M - $100M
115
$1M - $10M
115
$25M - $50M
115
$1M - $10M
115
$25M - $50M
115
$28M
$100M - $250M
115
$10M - $25M
115
$11M
$25M - $50M
115
$150M
$50M - $100M
115
$19M
$50M - $100M
115
$19M
$25M - $50M
115
$84M
$100M - $250M
115
$100M - $250M
115
$99M
$25M - $50M
115
$1M - $10M
115
$10M - $25M
114
$10M - $25M
114
$10M - $25M
114
$4.8M
$10M - $25M
114
$10M - $25M
114
$400M
$1M - $10M
114
$50M - $100M
114
$189M
$10M - $25M
114
$100M - $250M
114
$15M
$50M - $100M
114
<$1M
114
$1M - $10M
114
$45M
$1M - $10M
114
$10M - $25M
114
$53M
$50M - $100M
114
$50M - $100M
114
$50M - $100M
114
$25M - $50M
114
$100M - $250M
114
$10M
$100M - $250M
114
$11M
$10M - $25M
113
$1M - $10M
113
$50M - $100M
113
$15M
$50M - $100M
113
$10M - $25M
113
$237M
$25M - $50M
113
$50M - $100M
113
$25M
$25M - $50M
113
$133M
$50M - $100M
113
$175M
$25M - $50M
113
$1M - $10M
113
$25M - $50M
113
$100M - $250M
113
$25M - $50M
112
$1M - $10M
112
$50M - $100M
112
$50M - $100M
112
$10M - $25M
112
$50M - $100M
112
$25M - $50M
112
$100M - $250M
112
$1M - $10M
112
$50M - $100M
112
$25M - $50M
112
$100M - $250M
112
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 NYFIX - now part of Broadridge Trading and Connectivity Solutions, Nightfall AI and Romax Technology.
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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