Comcast Corporation · Philadelphia, PA United States ·(NASDAQ (GS): CMCSA)

Commerce plus broadcasting equals Comcast. The company's core cable division has about 24 million subscribers and is the largest provider in the US (ahead of #2 Time Warner Cable). Comcast Cable derives the bulk of its revenue from television, Internet, and digital phone services offered in 39 states. It has about 15 million subscribers to its broadband Internet service while its Comcast Digital Voice, a Voice over Internet Protocol (VoIP) telephone service, has about 6.5 million customers. Comcast also has programming interests, such as VERSUS and The Golf Channel, and it owns E! Entertainment Television. One-third of Comcast is controlled by CEO Brian Roberts, son of founder and former chairman Ralph Roberts. To read the full description, subscribe now.