List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Calian's Healthcare Solutions, FlixStock and HST Pathways. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
284
$2.5M
$10M - $25M
284
$100M - $250M
284
$75M
$100M - $250M
284
$234M
$100M - $250M
284
$39M
$50M - $100M
284
$100M - $250M
284
$34M
$10M - $25M
283
$25M - $50M
283
$7M
$100M - $250M
283
$100M - $250M
283
$355M
$100M - $250M
283
$1B - $10B
283
$10M - $25M
282
$118M
$50M - $100M
282
$25M - $50M
282
$200M
$250M - $500M
282
$1M - $10M
281
$100M - $250M
281
$172M
$100M - $250M
281
$250M - $500M
281
$193M
$100M - $250M
281
$100M - $250M
281
$25M - $50M
281
$10M - $25M
281
$100M - $250M
280
$100M - $250M
280
$250M - $500M
280
$25M - $50M
280
$10M - $25M
280
$1M - $10M
280
$45M
$25M - $50M
279
$165M
$100M - $250M
279
$45M
$25M - $50M
279
$25M - $50M
279
$50M - $100M
279
$305M
$500M - $1B
279
$10M - $25M
279
$1M - $10M
279
$80M
$50M - $100M
279
$100M - $250M
278
$20M
$10M - $25M
278
$187M
$250M - $500M
278
$200M
$100M - $250M
278
$50M - $100M
278
$39M
$25M - $50M
278
$157M
$250M - $500M
278
$25M - $50M
277
$500M - $1B
277
$329M
$25M - $50M
277
$10M - $25M
277
$250M - $500M
277
$52M
$250M - $500M
277
$10M - $25M
277
$53M
$50M - $100M
276
$50M - $100M
276
$25M - $50M
276
$50M - $100M
276
$110M
$100M - $250M
276
$32M
$50M - $100M
276
$25M - $50M
276
$25M - $50M
275
$500M - $1B
275
$313M
$100M - $250M
275
$107M
$250M - $500M
275
$25M - $50M
275
$250M - $500M
275
$500M - $1B
275
$25M - $50M
275
$50M
$10M - $25M
274
$100M - $250M
274
$25M - $50M
274
$115M
$100M - $250M
274
$64M
$10M - $25M
274
$50M - $100M
274
$25M - $50M
274
$120K
$10M - $25M
273
$140M
$100M - $250M
273
<$1M
272
$48M
$100M - $250M
272
$100M - $250M
272
$1M - $10M
272
$25M
$100M - $250M
272
$50M - $100M
271
$980M
$100M - $250M
271
$87M
$100M - $250M
271
$107M
$100M - $250M
271
$1M - $10M
271
$250M - $500M
271
$437M
$250M - $500M
270
$1M - $10M
270
$10M - $25M
270
$100M - $250M
270
$37M
$250M - $500M
270
$1.7B
$500M - $1B
269
$3.3M
$1M - $10M
269
$1B - $10B
269
$50M - $100M
269
$1M - $10M
269
$50M - $100M
268
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 Calian's Healthcare Solutions, FlixStock and HST Pathways.
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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