Comcast Corp. is a media, entertainment, and communications company, which engages in the provision of video, Internet, and phone services. It operates through the following segments: Cable Communications, Cable Networks, Broadcast Television, Filmed Entertainment, and Theme Parks. The Cable Communications segment provides services to business customers and sell advertising. The Cable Networks segment consists of national cable networks, regional sports, news networks, international cable networks, and cable television studio production operations. The Broadcast Television segment includes NBC and Telemundo broadcast networks. The Filmed Entertainment segment involves in the management of Universal Pictures and DreamWorks Animation. The Theme Parks segment comprises of Universal theme parks in Orlando, Florida, and Hollywood, California and Universal Studios theme park in Osaka, Japan. The company was founded by Ralph J. Roberts in 1963 and is headquartered in Philadelphia, PA.