List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Lessonly (now Seismic Learning), Mars Petcare and Mavrck. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$29M
$25M - $50M
24
$25M - $50M
24
$10M - $25M
24
$1M - $10M
24
$32M
$50M - $100M
24
$25M - $50M
24
$10M - $25M
24
$78M
$10M - $25M
24
$100M - $250M
24
$25M - $50M
24
$25M - $50M
24
$1M - $10M
24
$25M - $50M
24
$10M - $25M
24
$25M - $50M
24
$25M - $50M
24
$17M
$10M - $25M
24
$185M
$10M - $25M
24
$75K
$25M - $50M
23
$7.6M
<$1M
23
<$1M
23
<$1M
23
$10M - $25M
23
$10M - $25M
23
$1M - $10M
23
$18M
$1M - $10M
23
$1M - $10M
23
$13M
$1M - $10M
23
$25M - $50M
23
$10M - $25M
23
$1.6M
$10M - $25M
23
$86M
$10M - $25M
23
$93M
$10M - $25M
23
$10M - $25M
23
$10M - $25M
23
$50M
$1M - $10M
23
$7.6M
$1M - $10M
23
$1M - $10M
23
$1M - $10M
23
$70M
$10M - $25M
23
$13M
$1M - $10M
23
$16M
<$1M
23
<$1M
23
$10M - $25M
23
$10M - $25M
23
$10M - $25M
23
$1M - $10M
23
$24M
$1M - $10M
23
$5.5M
<$1M
23
$10M - $25M
23
$10M - $25M
23
$12M
$10M - $25M
23
$1.1M
$1M - $10M
23
$13M
$25M - $50M
23
$10M - $25M
23
$10M - $25M
23
$25M - $50M
23
$1M - $10M
23
$100M - $250M
23
$33M
$10M - $25M
23
$10M - $25M
23
$1M - $10M
23
<$1M
23
$52M
$100M - $250M
23
$10M - $25M
23
$30M
$10M - $25M
23
$25M - $50M
23
<$1M
23
$64M
$1M - $10M
22
$145M
$25M - $50M
22
$20M
$1M - $10M
22
$10M - $25M
22
$15M
$1M - $10M
22
$62M
$250M - $500M
22
$1M - $10M
22
$3M
$1M - $10M
22
$4.9M
$10M - $25M
22
$44M
$10M - $25M
22
$250K
$10M - $25M
22
$10M - $25M
22
<$1M
22
$1M - $10M
22
$1M - $10M
22
$8.3M
$1M - $10M
22
$40M
$10M - $25M
22
$50M - $100M
22
$50M - $100M
22
$25M - $50M
22
$10M - $25M
22
$1M - $10M
22
$3.3M
$1M - $10M
22
$1M - $10M
22
<$1M
22
$1M - $10M
22
$13M
$1M - $10M
22
<$1M
22
$100M - $250M
22
$1M - $10M
22
$59M
$1M - $10M
22
$14M
$1M - $10M
22
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 Lessonly (now Seismic Learning), Mars Petcare and Mavrck.
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.
