ADDvantage Technologies Group, Inc. through its subsidiaries, distributes and services a range of electronics and hardware for the cable television (CATV) industry. The products the Company sells and services are used to acquire, distribute, receive and protect the communications signals carried on fiber-optic, coaxial cable and wireless distribution systems. Its customers provide a range of communications services including television, high-speed data (Internet) and telephony, to single family dwellings, apartments and institutions, such as hospitals, prisons, universities, schools, cruise boats and others.The Company�s operating subsidiaries include Tulsat Corporation (Tulsat), Tulsat-Atlanta LLC, ADDvantage Technologies Group of Nebraska, Inc. (doing business as Tulsat-Nebraska), ADDvantage Technologies Group of Texas, Inc. (doing business as Tulsat Texas), ADDvantage Technologies Group of Missouri, Inc., NCS Industries, Inc. (NCS), and Adams Global Communications, LLC (AGC).