T-Mobile US, Inc.

T-Mobile provides cell phone service to people across the United States, Puerto Rico, and the U.S. Virgin Islands. They sell wireless plans for voice, text, and data, along with smartphones, tablets, and other mobile devices, either at their own stores or through national retailers and their websites. The company operates three brands: T-Mobile, Metro by T-Mobile, and Mint Mobile, which serve different types of customers from those on monthly plans to prepaid users. They also offer equipment financing and device insurance.