List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Apollo GraphQL, Financial Center and Genese Solution. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$214M
$100M - $250M
170
$100M - $250M
170
$1M - $10M
170
$10M - $25M
170
$100M - $250M
170
$50M - $100M
170
$43M
$1M - $10M
170
$122M
$100M - $250M
170
$25M - $50M
170
$25M - $50M
170
$152M
$100M - $250M
170
$1.1B
$100M - $250M
170
$170M
$250M - $500M
170
$6.8M
$1M - $10M
170
$50M - $100M
169
$100M - $250M
169
$10M - $25M
169
$100M - $250M
169
$100M - $250M
169
$1.8M
$500M - $1B
169
$45M
$1M - $10M
169
$25M - $50M
169
$100M - $250M
169
$50M - $100M
169
$50M - $100M
169
$25M - $50M
169
$8.7M
$10M - $25M
169
$100M - $250M
169
$8M
$10M - $25M
169
$100M - $250M
169
$50M - $100M
168
$25M - $50M
168
$195M
$50M - $100M
168
$250M - $500M
168
$1M - $10M
168
$57M
$50M - $100M
168
$50M - $100M
168
$195M
$50M - $100M
168
$10M - $25M
167
$142M
$25M - $50M
167
$1M - $10M
167
$100M - $250M
167
$100M - $250M
167
$201M
$100M - $250M
167
$100M - $250M
167
$250M - $500M
167
$33M
$50M - $100M
167
$145M
$25M - $50M
166
$158M
$10B+
166
$25M - $50M
166
$100M - $250M
166
$50M - $100M
166
$5.6M
$50M - $100M
166
$50M - $100M
166
$250M - $500M
166
$250M - $500M
166
$50M - $100M
166
$10M - $25M
166
$25M - $50M
166
$25M - $50M
166
$100M - $250M
165
$50M - $100M
165
$1M - $10M
165
$10M - $25M
165
$10M - $25M
165
$65M
$10M - $25M
165
$1M - $10M
165
$119M
$500M - $1B
165
$23M
$25M - $50M
165
$42M
$25M - $50M
165
$10M - $25M
165
$1M - $10M
165
$1M - $10M
165
$51M
$25M - $50M
165
$47M
$10M - $25M
165
$77M
$50M - $100M
164
$60M
$100M - $250M
164
$100M - $250M
164
$10M - $25M
164
$50M - $100M
164
$100M - $250M
164
$100M
$50M - $100M
164
$100M - $250M
164
$50M - $100M
164
$100M - $250M
164
$18M
$1M - $10M
164
$10M
$100M - $250M
163
$10M - $25M
163
$1M - $10M
163
$25M - $50M
163
$100M - $250M
163
$116M
$500M - $1B
163
$100M - $250M
163
$10M - $25M
163
$74M
$50M - $100M
163
$25M - $50M
163
$72M
$25M - $50M
163
$135M
$50M - $100M
163
$10M - $25M
163
$38M
$100M - $250M
163
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 Apollo GraphQL, Financial Center and Genese Solution.
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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