Telephone and Data Systems Incorporated is a telecommunications company in the US. Through two segments (UScellular and TDS Telecom), it offers wireless solutions to consumers and business and government customers, software applications for monitor and control, business automation/operations, communications, fleet and asset management, as well as smart water solutions. As of 2021/12/31,the comapny provided 5 million wireless connections and 1.2 million wireline and cable connections. The company was incorporated in 1968 and is headquartered in Chicago, IL.