List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Rank Interactive, ClearCaptions, LLC and Hotel Engine. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
438
$100M - $250M
437
$250M - $500M
437
$100M - $250M
436
$25M - $50M
436
$10M - $25M
436
$250M - $500M
436
$109M
$500M - $1B
436
$115M
$250M - $500M
436
$10M - $25M
435
$341M
$1M - $10M
435
$77M
$250M - $500M
435
$100M - $250M
435
$284M
$250M - $500M
435
$100M - $250M
435
$100M - $250M
435
$500M - $1B
434
$25M - $50M
434
$172M
$250M - $500M
434
$250M - $500M
434
$10M - $25M
433
$100M - $250M
433
$885M
$50M - $100M
433
$50M - $100M
433
$250M - $500M
433
$100M - $250M
431
$50M - $100M
430
$1B - $10B
430
$183M
$100M - $250M
430
$10M - $25M
430
$1M - $10M
430
$1.8B
$250M - $500M
429
$209M
$50M - $100M
429
$25M - $50M
429
$165M
$250M - $500M
429
$1.6M
$50M - $100M
428
$500M - $1B
428
$500M - $1B
428
$1M - $10M
428
$507M
$250M - $500M
427
$250M - $500M
427
$50M - $100M
426
$1B - $10B
426
$50M - $100M
426
$187M
$250M - $500M
426
$229M
$250M - $500M
426
$50M - $100M
426
$25M - $50M
426
$50M - $100M
426
$78M
$100M - $250M
426
$196M
$100M - $250M
425
$100M - $250M
425
$100M - $250M
425
$10M - $25M
425
$250M - $500M
425
$171M
$50M - $100M
424
$25M - $50M
424
$1.7M
$100M - $250M
424
$217M
$250M - $500M
423
$1B - $10B
423
$500M - $1B
423
$296M
$100M - $250M
423
$250M - $500M
423
$10M - $25M
422
$159M
$100M - $250M
422
$100M - $250M
422
$66M
$10M - $25M
422
$250M - $500M
422
$64M
$250M - $500M
422
$25M - $50M
421
$100M - $250M
421
$28M
$1B - $10B
420
$100M - $250M
420
$341M
$250M - $500M
419
$219M
$100M - $250M
419
$250M
$500M - $1B
419
$1.2B
$250M - $500M
419
$50M - $100M
418
$358M
$500M - $1B
418
$100M - $250M
418
$72M
$500M - $1B
418
$100M - $250M
417
$250M - $500M
417
$500M - $1B
417
$100M - $250M
417
$1M - $10M
416
$534M
$100M - $250M
416
$250M - $500M
416
$1M - $10M
416
$500M - $1B
416
$585M
$250M - $500M
415
$10M - $25M
415
$50M - $100M
415
$82M
$100M - $250M
415
$250M - $500M
415
$500M - $1B
415
$100M - $250M
414
$25M - $50M
414
$100M - $250M
414
$250M - $500M
414
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 Rank Interactive, ClearCaptions, LLC and Hotel Engine.
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
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