Comcast
Comcast Corporation is an American telecommunications conglomerate headquartered in Philadelphia, Pennsylvania.
It is the second-largest broadcasting and cable television company in the world by revenue and the largest pay-TV company, the largest cable TV company and largest home Internet service provider in the United States, and the nation’s third-largest home telephone service provider. Comcast services U.S. residential and commercial customers in 40 states and in the District of Columbia.