TDS®
TelecommunicationsWisconsin, United States1001-5000 Employees
TDS is a United States–based telecommunications company that provides broadband, video, and voice services through its TDS Telecom unit and owns Array Digital Infrastructure, Inc. SM (ArraySM), a leading owner and operator of shared wireless infrastructure in the United States. Array Digital Infrastructure, Inc. is a majority-owned subsidiary of TDS and operates more than 4,400 cell towers nationwide. Through TDS Telecom, the company delivers high-speed internet, television services, and phone services to small to mid-sized urban, suburban, and rural communities, offering up to 8 Gigabit speeds and providing VoIP and data networking solutions, with TDS Telecom headquartered in Madison, Wisconsin. The company was founded in 1969 and is publicly traded on the New York Stock Exchange under the ticker TDS. The listed corporate location is Middleton, Wisconsin, though other materials identify Chicago as a headquarters for TDS and Array, and Madison, Wisconsin as the headquarters for TDS Telecom.