Telephone and Data Systems Inc.

Telephone and Data Systems, Inc. is a telecommunications company that provides communications services to residential, commercial, and wholesale customers in the United States. It operates through two segments: TDS Telecom and Array. The company offers internet, fiber, TV, phone, and wireless services, as well as services for businesses and underserved areas. It also leases tower space and provides ancillary services. The company was incorporated in 1968 and is headquartered in Chicago, Illinois.