U.S. Cellular

United States Cellular Corporation, d.b.a. U.S. Cellular (NYSE: USM), owns and operates the sixth largest wireless telecommunications network in the United States, behind Verizon Wireless, AT&T Mobility, Sprint Nextel, T-Mobile USA, and MetroPCS. They currently serve about 6.2 million customers in 126 markets in 26 U.S. states.^[1] U.S. Cellular has recently rolled out a 3G network for many of its customers. The company has its headquarters in Chicago, Illinois.