T-Mobile US, Inc., often shortened as T-Mobile, is an American wireless network operator headquartered in Bellevue, Washington, U.S. Its largest shareholder is multinational telecommunications company Deutsche Telekom AG, a German company headquartered in Bonn, Germany. As of April 2023, the European company holds a 51.4% majority stake in the company. T-Mobile US is the second-largest wireless carrier in the United States, after Verizon, with 31.43% of the market share as of June 13, 2024. The company was founded in 1994 by John W. Stanton of the Western Wireless Corporation as VoiceStream Wireless. Deutsche Telekom then gained plurality ownership in 2001 and renamed it after its T-Mobile brand. T-Mobile US provides wireless voice and data services in the United States under the T-Mobile and Metro by T-Mobile brands, and also serves as the host network for many mobile virtual network operators. The company has annual revenues of around $80 billion. Wikipedia