T-Mobile

T-Mobile US, Inc. is a telecommunications company and the second-largest wireless carrier in the United States, serving millions of customers nationwide. Founded in 1999 and headquartered in Bellevue, Washington, the company employs over 10,000 people and operates across the country, with particular focus on urban markets.

Its technical work centres on 5G network technology, wireless telecommunications, mobile data services and network infrastructure. The company runs what it describes as America's largest 5G network, delivered through two complementary services: Extended-Range 5G, which provides broad geographic coverage, and Ultra Capacity 5G, which targets high-speed connectivity in urban areas.

Beyond the network, T-Mobile offers unlimited data plans, business solutions and television streaming services. Its prepaid brands include Metro by T-Mobile, Mint Mobile and Ultra Mobile, covering a range of customer segments within the prepaid wireless market.

The company positions itself around the 'Un-carrier' movement, an approach that challenges established industry practices, and describes its culture as innovation-focused, with an emphasis on pushing the boundaries of wireless technology.