About TDS Telephone and Data Systems, Inc. (TDS), a Fortune 1000 TM company, provides wireless; broadband, TV and voice; and hosted and managed services to approximately 6.0 million customers nationwide through its businesses, U.S. Cellular, TDS Telecom, OneNeck IT Solutions, and BendBroadband. Founded in 1969 and headquartered in Chicago, TDS employed 10,600 people as of Sept. 30, 2015.