(ES) Telefónica SA engages in the provision of communication, information and entertainment solutions. It operates through the following brands: Telefónica, Movistar, O2, and Vivo. The company was founded on April 19, 1924 and is headquartered in Madrid, Spain.
United States Cellular Corp. engages in the provision of wireless telecommunication services. Its products include smartphones, tablets, vehicle routers, and accessories. It offers Internet plans, prepaid and postpaid plans, and roaming services. The company was founded by Leroy T. Carlson in 1983 and is headquartered in Chicago, IL.