ADDvantage Technologies Group, Inc., through its subsidiaries, operates as a communications infrastructure services and equipment provider in the United States and internationally. It operates through two segments, Wireless Infrastructure Services and Telecommunications. The Wireless Infrastructure Services segment provides turn-key wireless infrastructure services for U.S. wireless carriers, communication tower companies, national integrators, and original equipment manufacturers. Its services primarily include the installation and upgradation of technology on cell sites; and construction of new small cells for 5G. The Telecommunications segment provides central office equipment that include optical transport, switching, and data center equipment for communication networks; customer premise equipment, such as integrated access devices, channel banks, Internet protocol private branch exchange phones, and routers; and decommissioning services for surplus and obsolete telecom equipment. The company was formerly known as ADDvantage Media Group, Inc. and changed its name to ADDvantage Technologies Group, Inc. in December 1999. ADDvantage Technologies Group, Inc. was incorporated in 1989 and is headquartered in Carrollton, Texas. On January 31, 2024, ADDvantage Technologies Group, Inc. along with its affiliates, filed a voluntary petition for liquidation under Chapter 7 in the U.S. Bankruptcy Court for the Eastern District of Texas.