The biggest and leading telecom companies in US have been providing data plans, voice plans along with other VAS services. The top telecom brands in the USA, including companies like AT & T, Verizon, Comcast, Charter, T-mobile, etc. We talk about the Telecommunication industry in the United States:
1. U.S. Cellular
With $4,022 billion revenue in the 2019 annual year, United States Cellular Corporation is a local carrier in the USA, having its headquarters in Chicago, Illinois. As per revenue generation, the company is the top wireless telecommunication network in the United states.

2. AT&T Mobility
With $181.2 billion in annual sales in 2019, AT&T is the biggest telecom company in the United States, headquartered at the Whitacre Tower in Downtown Dallas, Texas.

3. Verizon Communication
Verizon Communication is one of the fastest growing telecommunication companies in the United States located at 1095 Avenue of the Americas in Midtown Manhattan.