Telephone and Data Systems, Inc. (TDS) is a diversified telecommunications company. The Company is engaged in providing telecommunications services. TDS conducts its Wireless operations through its subsidiary, United States Cellular Corporation (U.S. Cellular). TDS provides Wireline services, cable services and hosted and managed services, through its wholly-owned subsidiary, TDS Telecommunications Corporation. U.S. Cellular offers a range of Wireless devices, such as handsets, modems, mobile hotspots, home phone and tablets for use by its customers. TDS Telecom operates in three segments: Wireline, which provides retail telecommunications services to residential and commercial customers; Cable, which provides colocation and managed services, and Hosted and Managed Services, which offers a suite of information technology (IT) solutions including cloud and hosting solutions, managed services, enterprise resource planning application management, professional services and IT hardware.