List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Numan, Plume and GBST. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$131M
$10M - $25M
495
$722M
$250M - $500M
495
$250M - $500M
494
$269M
$500M - $1B
494
$803M
$250M - $500M
494
$500M - $1B
493
$481M
$100M - $250M
493
$75M
$500M - $1B
493
$100M - $250M
492
$212M
$250M - $500M
492
$25M - $50M
492
$277M
$250M - $500M
492
$500M - $1B
492
$188M
$250M - $500M
491
$500M - $1B
491
$46M
$25M - $50M
491
$100M - $250M
490
$123M
$1B - $10B
490
$48M
$1M - $10M
490
$85M
$250M - $500M
489
$50M - $100M
489
$10M - $25M
489
$8.4M
$25M - $50M
489
$50M - $100M
489
$1B - $10B
488
$250M - $500M
488
$1B - $10B
487
$500M - $1B
487
$500M - $1B
487
$189M
$100M - $250M
487
$100M - $250M
487
$100M - $250M
487
$25M - $50M
486
$100M - $250M
486
$292M
$50M - $100M
486
$640M
$250M - $500M
485
$10M - $25M
485
$50M - $100M
485
$50M - $100M
485
$271M
$100M - $250M
485
$100M - $250M
485
$250M - $500M
484
$356M
$100M - $250M
484
$500M - $1B
484
$250M - $500M
484
$104M
$1M - $10M
484
$593M
$50M - $100M
483
$136M
$50M - $100M
482
$242M
$25M - $50M
482
$309M
$500M - $1B
482
$500M - $1B
482
$122M
$250M - $500M
481
$500M - $1B
481
$1.8B
$500M - $1B
481
$50M - $100M
480
$250M - $500M
480
$1.1B
$10M - $25M
480
$250M - $500M
480
$250M - $500M
480
$149M
$50M - $100M
479
$500M - $1B
479
$50M - $100M
479
$190M
$100M - $250M
479
$100M - $250M
478
$377M
$1B - $10B
478
$100M - $250M
478
$1M - $10M
478
$500M - $1B
477
$1M - $10M
477
$1.7B
$100M - $250M
477
$52M
$50M - $100M
476
$250M - $500M
476
$250M - $500M
476
$547M
$100M - $250M
474
$77M
$100M - $250M
474
$58M
$25M - $50M
474
$324M
$500M - $1B
473
$289M
$500M - $1B
473
$250M - $500M
473
$641M
$500M - $1B
473
$25M - $50M
473
$107M
$250M - $500M
473
$250M - $500M
473
$25M - $50M
472
$15M
$50M - $100M
471
$100M - $250M
471
$1B - $10B
471
$100M - $250M
471
$100M - $250M
471
$100M - $250M
470
$325M
$500M - $1B
469
$10M
$1M - $10M
469
$25M - $50M
469
$100M - $250M
469
$603M
$250M - $500M
468
$2M
$10M - $25M
468
$173M
$50M - $100M
468
$50M - $100M
467
$50M - $100M
467
$8.8M
<$1M
467
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 Numan, Plume and GBST.
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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