Telephone & Data Systems Inc.
Telephone & Data Systems, Inc. (TDS) is a telecommunications conglomerate based in the United States, primarily engaged in providing wireless, broadband, and voice services through its subsidiaries, including U.S. Cellular and TDS Telecom. The company operates in two main segments: Wireless and Wireline, offering a range of products and services that include mobile phone service, broadband internet, and managed network solutions to both residential and business customers.