T-Mobile

T-Mobile US, Inc. is an American wireless network operator headquartered in Bellevue, Washington. It grew out of VoiceStream Wireless (founded in 1994 by John W. Stanton) and today trades on Nasdaq (TMUS) as a public subsidiary majority-owned by Germany's Deutsche Telekom. In 2020 T-Mobile merged with Sprint Corporation, cementing its position as the second-largest wireless carrier in the US, with about 140 million subscribers (as of September 30, 2025) and roughly US$88.3 billion in revenue (2025). The company provides mobile voice and data over 5G/4G LTE, fixed wireless home internet (T-Mobile Home Internet), and the Metro by T-Mobile prepaid brand.