List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Lifion by ADP, Sanoma Learning and Scalo. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
413
$1M - $10M
413
$25M - $50M
413
$66K
$50M - $100M
413
$500M - $1B
413
$130M
$100M - $250M
412
$100M - $250M
412
$10M - $25M
412
$40M
$25M - $50M
412
$1.1M
$250M - $500M
412
$25M - $50M
411
$622M
$100M - $250M
411
$50M - $100M
411
$175M
$500M - $1B
411
$4.8M
$250M - $500M
411
$100M - $250M
410
$10M
$25M - $50M
410
$250M - $500M
409
$153M
$100M - $250M
409
$25M - $50M
408
$43M
$1M - $10M
408
$10M - $25M
408
$10M - $25M
407
$100M - $250M
407
$100M - $250M
407
$25M - $50M
407
$25M - $50M
406
$1B - $10B
406
$177M
$250M - $500M
405
$1.5B
$100M - $250M
405
$20M
$250M - $500M
404
$250M - $500M
404
$10M - $25M
403
$10M - $25M
403
$25M - $50M
402
$574M
$250M - $500M
402
$169M
$1B - $10B
402
$29M
$250M - $500M
402
$100M - $250M
402
$119M
$100M - $250M
401
$268M
$250M - $500M
401
$100M - $250M
400
$100M - $250M
400
$58M
$100M - $250M
400
$500M - $1B
400
$10M - $25M
399
$100M - $250M
399
$25M - $50M
398
$100M - $250M
398
$208M
$100M - $250M
397
$10M - $25M
397
$250M - $500M
397
$113M
$10M - $25M
397
$250M - $500M
396
$337M
$500M - $1B
396
$1M - $10M
396
$1M - $10M
396
$65M
$50M - $100M
395
$100M - $250M
395
$257M
$100M - $250M
395
$1M - $10M
394
$250M - $500M
394
$250M - $500M
394
$50M - $100M
394
$620M
$250M - $500M
394
$303M
$100M - $250M
393
$100M - $250M
393
$1M - $10M
393
$50M - $100M
393
$178M
$50M - $100M
393
$201M
$250M - $500M
393
$6.1M
$100M - $250M
393
$252M
$250M - $500M
392
$50M - $100M
392
$250M - $500M
392
$10M
$50M - $100M
392
$125M
$25M - $50M
392
$100M - $250M
392
$92K
$25M - $50M
392
$451M
$25M - $50M
392
$310M
$100M - $250M
392
$17M
$100M - $250M
391
$36M
$250M - $500M
391
$50M - $100M
391
$92M
$50M - $100M
390
$1M
$25M - $50M
390
$250M - $500M
390
$404M
$100M - $250M
389
$250M - $500M
389
$25M - $50M
389
$50M - $100M
389
$1M - $10M
389
$592M
$250M - $500M
389
$70M
$250M - $500M
389
$100M - $250M
389
$228M
$50M - $100M
388
$375M
$100M - $250M
388
$100M - $250M
388
$250M - $500M
388
$550M
$100M - $250M
387
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 Lifion by ADP, Sanoma Learning and Scalo.
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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