List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Happening, Ingenia and JUMO. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
276
$50M - $100M
276
$329M
$25M - $50M
276
$50M - $100M
276
$140M
$100M - $250M
276
$110M
$100M - $250M
276
$23M
$500M - $1B
275
$107M
$250M - $500M
275
$25M - $50M
275
$250M - $500M
275
$1B - $10B
275
$10M - $25M
275
$37M
$250M - $500M
275
$64M
$10M - $25M
275
$25M - $50M
275
$313M
$100M - $250M
274
$7M
$100M - $250M
274
$250M - $500M
274
$25M - $50M
274
$3.3M
$1M - $10M
274
$100M - $250M
274
$25M - $50M
274
$25M - $50M
273
$100M - $250M
273
$25M - $50M
273
$10M - $25M
273
$100M - $250M
273
$25M - $50M
273
<$1M
272
$500M - $1B
272
$234M
$100M - $250M
272
$10M - $25M
272
$50M - $100M
272
$50M - $100M
272
$500M - $1B
271
$437M
$250M - $500M
271
$224M
$100M - $250M
271
$142M
$250M - $500M
271
$48M
$100M - $250M
271
$250M - $500M
271
$118M
$50M - $100M
271
$1M - $10M
271
$25M - $50M
271
$1M - $10M
270
$45M
$25M - $50M
269
$137M
$50M - $100M
269
$13M
$10M - $25M
269
$1M - $10M
269
$106M
$100M - $250M
268
$64M
$50M - $100M
268
$50M - $100M
268
$57M
$10M - $25M
268
$1.7B
$500M - $1B
268
$100M - $250M
268
$193M
$100M - $250M
268
$107M
$100M - $250M
268
$176M
$500M - $1B
267
$10M - $25M
267
$10M - $25M
267
$1B - $10B
267
$951K
$10M - $25M
267
$30M
$100M - $250M
267
$250M - $500M
267
$50M - $100M
266
$187M
$250M - $500M
266
$220M
$250M - $500M
266
$40M
$250M - $500M
266
$50M - $100M
266
$25M
$100M - $250M
266
$50M - $100M
265
$100M - $250M
265
$25M - $50M
265
$100M - $250M
265
$980M
$100M - $250M
265
$500M - $1B
265
$50M - $100M
265
$250M - $500M
265
$50M - $100M
265
$10M - $25M
265
$66M
$250M - $500M
265
$100M - $250M
264
$52M
$25M - $50M
264
$2.9M
$25M - $50M
264
<$1M
264
$25M - $50M
264
$341M
$100M - $250M
264
$100M - $250M
264
$25M - $50M
264
$1M - $10M
264
$203M
$100M - $250M
264
$1M - $10M
264
$1M - $10M
264
$1M - $10M
263
$10M - $25M
263
$6.3M
$10M - $25M
263
$100M - $250M
263
$20M
$1M - $10M
263
$10M - $25M
263
$157M
$10M - $25M
263
$50M - $100M
263
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 Happening, Ingenia and JUMO.
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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