List of Companies Using CircleCI
Prospecting companies using CircleCI? Here they are, biggest first, including Plan A Technologies, Progeny Systems-A General Dynamics Mission Systems Business and SambaNova. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
400
$100M - $250M
400
$1.5B
$100M - $250M
400
$50M - $100M
400
$25M - $50M
399
$250M - $500M
399
$100M - $250M
398
$10M
$25M - $50M
398
$250M - $500M
398
$58M
$100M - $250M
398
$10M - $25M
398
$228M
$50M - $100M
397
$100M - $250M
397
$25M - $50M
397
$1M - $10M
397
$43M
$1M - $10M
397
$375M
$100M - $250M
396
$50M - $100M
396
$250M - $500M
396
$337M
$500M - $1B
396
$250M - $500M
396
$92K
$25M - $50M
396
$4.8M
$250M - $500M
396
$1M - $10M
395
$507M
$250M - $500M
395
$100M - $250M
395
$100M - $250M
394
$178M
$50M - $100M
394
$100M - $250M
394
$201M
$250M - $500M
394
$257M
$250M - $500M
394
$25M - $50M
393
$152M
$100M - $250M
393
$10M - $25M
393
$17M
$100M - $250M
393
$50M - $100M
393
$92M
$50M - $100M
392
$303M
$100M - $250M
392
$50M - $100M
392
$21M
$100M - $250M
392
$10M
$50M - $100M
392
$451M
$25M - $50M
392
$25M - $50M
392
$177M
$250M - $500M
391
$250M - $500M
391
$100M - $250M
390
$250M - $500M
390
$250M - $500M
390
$100M - $250M
390
$10M - $25M
389
$65M
$50M - $100M
389
$1M - $10M
389
$252M
$250M - $500M
388
$50M - $100M
388
$550M
$100M - $250M
388
$70M
$250M - $500M
388
$1.7M
$50M - $100M
388
$119M
$100M - $250M
387
$358M
$500M - $1B
387
$201M
$250M - $500M
387
$50M - $100M
387
$10M - $25M
387
$1.1M
$250M - $500M
387
$1M - $10M
387
$620M
$250M - $500M
387
$457M
$100M - $250M
386
$25M - $50M
386
$1M - $10M
386
$169M
$1B - $10B
386
$13M
$10M - $25M
386
$500M - $1B
386
$10M - $25M
386
$534M
$100M - $250M
385
$25M - $50M
385
$50M - $100M
384
$592M
$250M - $500M
384
$320M
$50M - $100M
384
$585M
$250M - $500M
383
$208M
$100M - $250M
383
$100M - $250M
383
$793M
$100M - $250M
383
$419M
$100M - $250M
383
$25M - $50M
383
$68M
$1M - $10M
383
$900M
$100M - $250M
382
$100M - $250M
382
$268M
$250M - $500M
382
$59M
$500M - $1B
382
$10M - $25M
382
$14M
$10M - $25M
382
$14M
$10M - $25M
381
$25M - $50M
381
$250M - $500M
381
$10M - $25M
381
$330M
$50M - $100M
381
$107M
$250M - $500M
381
$37M
$10M - $25M
380
$100M - $250M
380
$250M - $500M
380
$10M
$250M - $500M
380
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 Plan A Technologies, Progeny Systems-A General Dynamics Mission Systems Business and SambaNova.
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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