List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including YouLend, Convene and L3Harris. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$225M
$50M - $100M
549
$512M
$250M - $500M
548
$100M - $250M
548
$50M - $100M
548
$35M
$100M - $250M
547
$198M
$250M - $500M
546
$25M - $50M
546
$25M - $50M
546
$500M - $1B
545
$1B - $10B
544
$100M - $250M
544
$101M
$500M - $1B
544
$500M - $1B
543
$100M - $250M
542
$100M - $250M
542
$149M
$25M - $50M
542
$100M - $250M
541
$70M
$100M - $250M
541
$1B - $10B
540
$11M
$10M - $25M
540
$100M - $250M
540
$100M - $250M
539
$1B
$100M - $250M
539
$50M - $100M
539
$430M
$1B - $10B
539
$242M
$100M - $250M
538
$10M - $25M
538
$25M - $50M
538
$10M - $25M
537
$172M
$250M - $500M
537
$250M - $500M
536
$929M
$250M - $500M
536
$10M - $25M
536
$10M - $25M
535
$250M - $500M
535
$25M - $50M
535
$7.4M
$25M - $50M
534
$5.7M
$100M - $250M
534
$1B - $10B
534
$50M - $100M
534
$625M
$100M - $250M
534
$500M - $1B
533
$1B - $10B
533
$25M - $50M
533
$5.1B
$1B - $10B
532
$50M - $100M
532
$192M
$50M - $100M
532
$1M - $10M
531
$225M
$100M - $250M
531
$50M - $100M
531
$150M
$50M - $100M
531
$21M
$250M - $500M
530
$25M - $50M
528
$50M - $100M
528
$131M
$100M - $250M
528
$104M
$25M - $50M
527
$28M
$100M - $250M
526
$500M - $1B
526
$250M - $500M
525
$632M
$500M - $1B
523
$25M - $50M
523
$10M - $25M
522
$849M
$25M - $50M
522
$12M
$100M - $250M
521
$500M - $1B
521
$358M
$250M - $500M
520
$250M - $500M
520
$100M - $250M
519
$25M - $50M
519
$357M
$250M - $500M
518
$500M - $1B
518
$100M - $250M
518
$1B - $10B
518
$250M - $500M
518
$89M
$100M - $250M
518
$100M - $250M
517
$100M - $250M
517
$50M - $100M
517
$10M - $25M
517
$50M - $100M
516
$57M
$100M - $250M
516
$463M
$100M - $250M
516
$667M
$100M - $250M
515
$335M
$500M - $1B
515
$250M - $500M
515
$100M - $250M
513
$25M - $50M
512
$50M - $100M
512
$423M
$250M - $500M
512
$1B - $10B
511
$10M - $25M
511
$12M
$250M - $500M
511
$394M
$500M - $1B
511
$100M - $250M
511
$100M - $250M
510
$23M
$500M - $1B
510
$2.4B
$250M - $500M
509
$276M
$100M - $250M
509
$100M - $250M
509
$50M - $100M
509
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 YouLend, Convene and L3Harris.
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.
Search by Industry
ConstructionIT Services and IT ConsultingSoftware DevelopmentFinancial ServicesReal EstateHospitals and Health CareAdvertising ServicesNon-profit OrganizationsInsuranceLaw PracticeRetailWellness and Fitness ServicesBusiness Consulting and ServicesEducation Administration ProgramsMotor Vehicle ManufacturingTechnology, Information and InternetFood and Beverage ServicesStaffing and RecruitingAccountingOil and GasHospitalityAppliances, Electrical, and Electronics ManufacturingManufacturingArchitecture and PlanningMachinery Manufacturing
Search by Country
United StatesUnited KingdomCanadaGermanyAustraliaFranceNetherlandsIndiaSpainSwitzerlandItalySwedenBrazilBelgiumSingaporeIrelandUnited Arab EmiratesDenmarkSouth AfricaIsraelNew ZealandNorwayFinland
Search by Technology
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
1-888-653-2347 
support@leadiq.com © LeadIQ, Inc. All rights reserved.
