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.
Acquisitions history In 2006, Calix purchased Optical Solutions, Inc., based in Minneapolis, MN. In 2010, Calix announced acquisition of one-time rival Occam Networks, Inc., based in Santa Barbara, California. The acquisition was completed in February 2011. In November 2012, Calix completed acquisition of Ericsson’s fiber access assets. In January 2018, Verizon Communications selected Calix's AXOS E9-2 system for the first large-scale commercial deployment of NG-PON2 technology, beginning in Tampa, Florida.
Awards and recognition In 2022, Forbes named Calix in its annual list of America's best mid-sized companies. In 2023, Calix received a Gold Stevie Award in the Workforce Development category at the American Business Awards. In 2024, Light Reading recognized Calix in its Leading Lights Awards 2024 finalists list.
In 2025, Calix was included in Fast Company’s list of the World’s Most Innovative Companies in the enterprise category.
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