List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including JW Marriott Marco Island Beach Resort, Klika and Kyruus Health. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
206
$10M - $25M
206
$183M
$100M - $250M
206
$100M - $250M
206
$72M
$1M - $10M
206
$25M - $50M
206
$100M - $250M
206
$1M - $10M
206
$124M
$1M - $10M
206
$100M - $250M
206
$12M
$50M - $100M
205
$110M
$500M - $1B
205
$325M
$100M - $250M
205
$244M
$250M - $500M
205
$108M
$50M - $100M
205
$66M
$10M - $25M
205
$160M
$50M - $100M
205
$103M
$250M - $500M
205
$1M - $10M
205
$133M
$25M - $50M
204
$1M - $10M
204
$20M
$100M - $250M
204
$100M - $250M
204
$100M - $250M
204
$95M
$250M - $500M
204
$289M
$500M - $1B
204
$223M
$50M - $100M
204
$80M
$10M - $25M
204
$3.8M
$50M - $100M
204
$10M - $25M
204
$1M - $10M
204
$96M
$25M - $50M
204
$10M - $25M
204
$100K
$100M - $250M
203
$50M - $100M
203
$25M
$250M - $500M
203
$1M - $10M
203
$210M
$50M - $100M
202
$17M
$25M - $50M
202
$100M - $250M
202
$1M - $10M
202
$10M - $25M
202
$50M - $100M
202
$94M
$50M - $100M
202
$232M
$100M - $250M
202
$25M
$10M - $25M
202
$39M
$25M - $50M
202
$52M
$100M - $250M
202
$100M - $250M
201
$10M - $25M
201
$73M
$10M - $25M
201
<$1M
201
$50M - $100M
201
$1M - $10M
201
$10M - $25M
201
$1M - $10M
201
$25M - $50M
201
$100M - $250M
201
$10M - $25M
201
$201M
$100M - $250M
201
$22M
$10M - $25M
201
$1M - $10M
201
$1M - $10M
201
$100M - $250M
201
$50M - $100M
201
$100M - $250M
201
$1M - $10M
201
$1M - $10M
201
$1M - $10M
201
$22M
$100M - $250M
201
$10M - $25M
201
$666K
$10M - $25M
201
$25M - $50M
201
$1M - $10M
201
$1M - $10M
201
<$1M
201
$1M - $10M
201
<$1M
201
$1M - $10M
201
$1M - $10M
201
$1M - $10M
201
$25M - $50M
201
$2.1B
$25M - $50M
201
$25M - $50M
201
<$1M
201
$1B - $10B
201
<$1M
201
$1M - $10M
201
<$1M
201
<$1M
201
<$1M
201
$1M - $10M
201
$10M - $25M
201
<$1M
201
$500M - $1B
201
$1M - $10M
201
$25M - $50M
201
$25M - $50M
201
$25M - $50M
201
$10M - $25M
201
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 JW Marriott Marco Island Beach Resort, Klika and Kyruus Health.
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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