ADTRAN, Inc. engages in the provision of networking and communications platforms and services focused on the broadband access market. It operates through the Network Solutions and Services and Support business segment. The Network Solutions segment includes hardware products and next-generation virtualized solutions used in service provider or business networks, as well as prior-generation products. The Services and Support segment offers ProCloud managed services, network installation, engineering and maintenance services, and fee-based technical support and equipment repair/replacement plans. The company was founded by Mark C. Smith in November 1985 and is headquartered in Huntsville, AL.