T-Mobile US Inc. is an American company that provides mobile communications services, including voice, messaging and data. It is headquartered in Overland Park, Kansas, and Bellevue, Washington. The largest shareholder in T-Mobile US Inc. is the multinational telecommunications company Deutsche Telekom AG. T-Mobile US is widely accepted as the second-largest network operator in the US by subscriber count. It also serves as the host network for many mobile virtual network operators. The company supplies mobile communications services mainly through its fourth-generation (4G) long-term evolution network and its fifth-generation (5G) technology network. It also offers a selection of wireless devices, including handsets, tablets and other mobile communication devices and accessories for sale, as well as financing and leasing services.