List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Synacor, Vine and elmenus. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$29M
$100M - $250M
180
$100M - $250M
180
$20M
$1M - $10M
180
$8.3M
$10M - $25M
180
$10M - $25M
179
$250M - $500M
179
$100M - $250M
179
$50M - $100M
179
$42M
$1B - $10B
179
$50M - $100M
179
$1B - $10B
179
$79M
$100M - $250M
179
$50M
$100M - $250M
179
$100M - $250M
179
$190M
$50M - $100M
179
$1M - $10M
179
$20M
$50M - $100M
179
$170M
$25M - $50M
178
$24M
$25M - $50M
178
$50M - $100M
178
$10M - $25M
178
$25M - $50M
178
$398M
$100M - $250M
178
$50M - $100M
178
$1M - $10M
178
$10M - $25M
178
$250M - $500M
178
$443M
$1M - $10M
178
$17M
$100M - $250M
177
$25M - $50M
177
$150M
$250M - $500M
177
$100M - $250M
177
$61M
$1M - $10M
177
$500M - $1B
177
$167M
$50M - $100M
177
$1M - $10M
177
$10M - $25M
177
$10M - $25M
177
$82M
$500M - $1B
177
$10M - $25M
176
$10M - $25M
176
$50M - $100M
176
$62M
$25M - $50M
176
$1B - $10B
176
$173M
$100M - $250M
176
$209M
$100M - $250M
176
$100M - $250M
176
$250M - $500M
176
$119M
$50M - $100M
176
$50M - $100M
176
$460M
$50M - $100M
176
$250M - $500M
176
$100M - $250M
175
$1M - $10M
175
$10M - $25M
175
$50M - $100M
175
$25M - $50M
175
$25M - $50M
175
$102M
$10M - $25M
175
$1M - $10M
175
$50M - $100M
175
$10M - $25M
175
$100K
$10M - $25M
175
$50M - $100M
174
$25M - $50M
174
$100M - $250M
174
$100M - $250M
174
$10M - $25M
174
$50M - $100M
174
$74M
$1M - $10M
174
$312M
$100M - $250M
173
$12M
$1M - $10M
173
$50M - $100M
173
$27M
$1M - $10M
173
$250M - $500M
173
$113M
$100M - $250M
173
$100M - $250M
173
$107M
$100M - $250M
173
$678M
$100M - $250M
173
$50M
$100M - $250M
173
$500M - $1B
173
$100M - $250M
173
$152M
$100M - $250M
173
$50M - $100M
173
$50M - $100M
172
$1M - $10M
172
$100M - $250M
172
$143M
$250M - $500M
172
$100M - $250M
172
$521K
$10M - $25M
172
$132M
$100M - $250M
171
$25M - $50M
171
$68M
$1B - $10B
171
$62M
$1M - $10M
171
$25M - $50M
171
$1M - $10M
171
$10M - $25M
171
$10M - $25M
171
$50M - $100M
171
$10M - $25M
171
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 Synacor, Vine and elmenus.
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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