ADTRAN Holdings, Inc., founded in 1985, is a global provider of open, disaggregated networking and communications solutions for service providers. The company's technology enables the delivery of voice, data, video, and internet connectivity. Its technical work spans domains including optical networking, fiber broadband access, 5G, network automation, and software-defined networking. Products cover optical networking, access and aggregation, subscriber solutions, and network automation.
The company serves telecommunications operators, cable companies, municipal broadband providers, and utilities across multiple countries. Its team ranges between 1,001 and 5,000 employees. ADTRAN is headquartered in Huntsville, Alabama.
