Comcast is the largest cable tv provider in the US. It was founded in 1963. Comcast is also the largest cable internet service provider.
Time Warner Cable Inc. (TWC), formerly Warner Cable Communications and sometimes colloquially referred to as simply Time Warner, is an American cable telecommunications company that operates in 29 states and has 31 operating divisions. It is the second largest cable company in the U.S. behind only Comcast.