List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including 360DigiTMG, Cloud Native Computing Foundation (CNCF) and Sleek. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
591
$3M
$50M - $100M
591
$62M
$1B - $10B
590
$250M - $500M
590
$19M
$1B - $10B
590
$10M - $25M
589
$1.5B
$1B - $10B
589
$10M - $25M
588
$50M - $100M
588
$25M - $50M
588
$453M
$250M - $500M
586
$1.2B
$100M - $250M
586
$166M
$500M - $1B
585
$310M
$1B - $10B
584
$100M - $250M
583
$25M - $50M
582
$3.5M
$250M - $500M
582
$1M - $10M
582
$30M
$250M - $500M
581
$34M
$250M - $500M
580
$500M - $1B
580
$1B - $10B
580
$250M - $500M
579
$100M - $250M
579
$3.2M
$100M - $250M
578
$50M - $100M
578
$25M - $50M
576
$38M
$100M - $250M
576
$2.4B
$250M - $500M
575
$1.5B
$100M - $250M
575
$603M
$1B - $10B
575
$1B - $10B
574
$118M
$100M - $250M
573
$100M - $250M
572
$50M - $100M
572
$1B - $10B
572
$50M - $100M
571
$949M
$500M - $1B
571
$100M - $250M
571
$22M
$100M - $250M
570
$100M - $250M
569
$276M
$100M - $250M
569
$100M - $250M
569
$1.3B
$500M - $1B
569
$110M
$500M - $1B
568
$67M
$10M - $25M
568
$1B - $10B
568
$25M - $50M
567
$197M
$250M - $500M
567
$25M - $50M
566
$16M
$1B - $10B
565
$250M - $500M
565
$1.6B
$500M - $1B
565
$50M - $100M
565
$100M - $250M
564
$58M
$250M - $500M
564
$198M
$250M - $500M
563
$10M - $25M
563
$639K
$250M - $500M
563
$100M - $250M
563
$308M
$100M - $250M
563
$1B - $10B
562
$250M - $500M
562
$250M - $500M
561
$457M
$250M - $500M
560
$105M
$250M - $500M
559
$283M
$10M - $25M
558
$100M - $250M
558
$100M - $250M
558
$50M - $100M
558
$32M
$500M - $1B
557
$17M
$500M - $1B
557
$496M
$250M - $500M
556
$50M - $100M
556
$154M
$25M - $50M
555
$100M - $250M
554
$25M - $50M
553
$512M
$250M - $500M
551
$234M
$100M - $250M
550
$250M - $500M
549
$8.8M
$100M - $250M
549
$192M
$50M - $100M
549
$198M
$250M - $500M
549
$100M - $250M
549
$10M - $25M
548
$50M - $100M
548
$100M - $250M
548
$464M
$250M - $500M
548
$25M - $50M
548
$225M
$50M - $100M
548
$482M
$100M - $250M
547
$149M
$25M - $50M
546
$104M
$1M - $10M
546
$10M - $25M
545
$70M
$100M - $250M
545
$25M - $50M
545
$1B - $10B
544
$35M
$100M - $250M
544
$100M - $250M
544
$1B - $10B
543
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 360DigiTMG, Cloud Native Computing Foundation (CNCF) and Sleek.
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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