Telephone and Data Systems, Inc. (NYSE: TDS) is a diversified telecommunications company headquartered in Chicago, Illinois. Through its subsidiaries, the company provides a broad array of communications services, including wireless voice and data, wireline broadband and voice, cable television, and managed IT and cloud solutions. Its two primary operating units—TDS Telecom and U.S. Cellular—serve residential, business and wholesale customers across the United States.
TDS Telecom focuses on delivering broadband internet, digital voice, video and data communications services in primarily rural and suburban markets. Operating in more than 30 states, the unit supports communities with fiber-based networks and managed IT offerings under the OneNeck IT Solutions brand, addressing the needs of small and medium-sized enterprises as well as government and educational institutions.
U.S. Cellular, the company’s wireless arm, ranks among the nation’s largest regional mobile network operators. It offers nationwide LTE coverage and a growing portfolio of 5G services to consumers and businesses in over 20 states. The carrier emphasizes customer service and regional network performance, positioning itself as a community-focused alternative within the U.S. wireless market.
Founded in 1969 by the Carlson family, Telephone and Data Systems has evolved from a single telephone provider into a multifaceted telecom holding company. Headquartered in Chicago, the company is governed by an executive leadership team with longstanding experience in the industry and maintains a board of directors that includes members of the founding family.
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