CircleCI focuses on software delivery, specifically in the domain of continuous integration and continuous delivery (CI/CD). The company offers a platform that enables teams to build, test, and deploy their software. This platform is designed to work with various languages and execution environments, and it integrates with popular services like AWS, Slack, and Atlassian. It was founded in 2011 and is based in San Francisco, California.

Bitrise develops a mobile continuous integration and delivery platform. It offers automation, a visual workflow editor, an automatic repository scan, and workflow configuration to build, test, and deploy applications. The platform enables developers to build applications for mobile platforms. The company was founded in 2015 and is based in London, United Kingdom.

CloudBees specializes in DevOps technology and provides an enterprise software delivery platform. The company offers solutions for continuous integration (CI), continuous delivery (CD), feature management, and DevSecOps, aimed at optimizing software delivery and reducing risks. CloudBees primarily serves sectors that require robust software delivery and management systems, such as technology companies and enterprises with significant software development needs. It was founded in 2010 and is based in San Jose, California.

Earthly focuses on building automation within the software development industry. Its main offerings include a build framework that enables builds across various environments and a platform that integrates with existing systems to enhance build speeds. Earthly provides remote build runners that work with any continuous integration (CI) system, for parallel execution and caching to optimize build processes. It was founded in 2020 and is based in San Francisco, California.

Copado is a company that specializes in providing a unified DevOps platform for Salesforce application development. Their main offerings include tools for continuous integration and delivery (CI/CD), automated testing, and agile project management, designed to help teams build, test, and deploy applications efficiently. Copado also offers solutions for compliance automation, data deployment, and security governance, catering to the needs of various roles within the Salesforce ecosystem, such as developers, testers, and release managers. It was founded in 2013 and is based in Chicago, Illinois.

Buildkite is a company that focuses on providing a platform for continuous integration and continuous delivery (CI/CD) in the tech industry. The company's main services include offering a scalable CI/CD platform that allows businesses to run fast, secure, and scalable integration pipelines on their own infrastructure. This platform includes features such as real-time tracking and monitoring for tests, and the ability to deploy artifacts in production with end-to-end supply chain integrity. The company primarily sells to sectors such as deep tech and ecommerce. It was founded in 2013 and is based in Melbourne, Victoria.