N4. Comcast Corporation -$3 billion
The U.S.-based multinational mass media company is the largest broadcasting and cable company in the world by revenue.
Also, it is the largest cable company and home Internet service provider in the United States, and the nation’s third largest home telephone service provider.
As the owner of the international media company NBCUniversal since 2011, Comcast is a producer of feature films and television programs intended for theatrical exhibition and over-the-air and cable television broadcast.
The company spent big on ads in 2014, including its Star Trek-themed Super Bowl spot.
Headquartered in Philadelphia, Pennsylvania, the Comcast services are provided to customers in 40 states and the District of Columbia.
