Calix Inc.

Calix, Inc. is a telecommunications company that specializes in providing software platforms, systems, and services to support the delivery of broadband services. The company was founded in 1999 and is headquartered in San Jose, California.

Calix was formerly known as Calix Networks Inc. The company provides cloud, software platforms, systems and services to internet service providers.

Calix maintains facilities in Petaluma, CA, Minneapolis, MN, San Jose, CA, Richardson, TX in the US and facilities in Nanjing, China and Bengaluru, India.

In 2024, Orangeburg County Council in South Carolina approved a contract with Calix Inc. to expand broadband service lines in the Neeses and Cope areas as part of a federally supported rural broadband project.

Calix One is a cloud-based software platform used by communications service providers to manage broadband access networks and subscriber services.

Announced in October 2025 and generally available in February 2026, it integrates Calix's earlier Service Cloud, Engagement Cloud, and Network Cloud products and was developed in partnership with Google Cloud.

By mid-February 2026, about 500 of Calix's roughly 1,500 service-provider customers were using the Calix One platform. Operators using it include ALLO Communications, Conexon Connect and Tombigbee Fiber.