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Companies using CircleCI by Circle Internet Services, Inc. in 2025

As of 2025, 3,537 verified companies use CircleCI – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.

https://www.circle.com

What is CircleCI by Circle Internet Services, Inc.?

CircleCI by Circle Internet Services, Inc. is a continuous integration and continuous delivery (CI/CD) platform that automates the software development pipeline. It’s commonly used to accelerate the build, test, and deployment processes for software projects. It is widely adopted in software development, DevOps, and IT operations departments.

Last updated date

July 2, 2025

Number of Companies using

3,537

The majority are based in the

United States

Most common industry?

Software

CircleCI’s sample user list in 2025

Company Name

Country

Industry

Employees

Revenue

Product

Amazon

United States flag
United States

Apparel & Accessories Retail

1560000

$650.3B

CircleCI

Walmart

United States flag
United States

Department Stores, Shopping Centers & Superstores

2098500

$681B

CircleCI

Apple

United States flag
United States

Computer Equipment & Peripherals

164000

$400.4B

CircleCI

NVIDIA

United States flag
United States

Computer Equipment & Peripherals

36000

$130.5B

CircleCI

Microsoft

United States flag
United States

Database & File Management Software

228000

$270B

CircleCI

CVS Health

United States flag
United States

Drug Stores & Pharmacies

219000

$379B

CircleCI

Samsung

South Korea

Telecommunication Equipment

267860

$203.4B

CircleCI

Google

United States flag
United States

Data Collection & Internet Portals

182502

$256.7B

CircleCI

McKesson

United States flag
United States

Drug Stores & Pharmacies

43000

$359.1B

CircleCI

IBM

United States flag
United States

Custom Software & IT Services

270300

$62.8B

CircleCI

Showing 10 of 3,537 results

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We have data on 3,537 companies that use CircleCI. Our CircleCI customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.

Get a Free Sample of Companies that use CircleCI

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CircleCI users and customers by country

United States flag
United States
United Kingdom flag
United Kingdom

2.6K Companies

France flag
France

2.6K Companies

Canada flag
Canada

2.6K Companies

Germany flag
Germany

2.6K Companies

Where CircleCI Shows Up Most

CircleCI is used across a wide range of sectors:

Software

Business Services

Manufacturing

Custom Software & IT Services

Finance

From lean startups to global enterprises, CircleCI’s footprint is wide, and that means opportunity.

sectors

How It Works

It’s everything you wish outbound was—automated, precise, and scalable.

  • Landbase finds and qualifies your ideal prospect data automatically
  • Landbase deploys specialized AI agents to generate and run high-converting campaigns
  • Landbase executes across all channels, handling all the technical complexity behind the scenes.
  • Your pipeline fills up. You get to focus on strategy, not busywork.

Trusted by High-Performing GTM Teams

Join the teams using Landbase to:

  • Eliminate manual prospecting
  • Fill pipeline faster
  • Win against competitors
  • Built for SDRs, AEs, RevOps, and GTM Leaders
  • Powered by AI. Delivered with Speed

This data is updated on July 2, 2025

CircleCI is a continuous integration and continuous delivery (CI/CD) platform that automates the software development pipeline, accelerating build, test, and deployment processes.

As of 2025, 3,537 companies are using CircleCI.

The software industry uses CircleCI the most, followed by business services, manufacturing, custom software & IT services, and finance.

The United States has the highest adoption of CircleCI, followed by the United Kingdom, France, Canada, and Germany.

Yes, a list of companies using CircleCI is available for download. The list includes company specifics such as industry, size, location, funding rounds, and revenue.