Time Warner owns…
CNN, Home Box Office (HBO), Time Inc., Turner Broadcasting System, Inc., Warner Bros. Entertainment Inc., CW Network (partial ownership), TMZ, New Line Cinema, Time Warner Cable, Cinemax, Cartoon Network, TBS, TNT, America Online, MapQuest, Moviefone, Castle Rock, Sports Illustrated, Fortune, Marie Claire, DC Comics and People Magazine
Walt Disney owns…
ABC Television Network, Disney Publishing, ESPN Inc., Disney Channel, The History Channel, SOAPnet, A&E, Lifetime, Buena Vista Home Entertainment, Buena Vista Theatrical Productions, Buena Vista Records, Disney Records, Hollywood Records, Miramax Films, Touchstone Pictures, Walt Disney Pictures, Pixar Animation Studios, 277 Radio Stations, Buena Vista Games and Hyperion Books
Viacom owns…
Paramount Pictures, Paramount Home Entertainment, Black Entertainment Television (BET), Comedy Central, Country Music Television (CMT), Logo, MTV, MTV Canada, MTV2, Nick Magazine, Nick at Nite, Nick Jr., Nickelodeon, Noggin, Spike TV, The Movie Channel, TV Land and VH1
News Corporation owns…
Dow Jones & Company, Inc., Fox Television Stations, The New York Post, TV Guide, Fox Searchlight Pictures, Beliefnet, Fox Business Network, Fox Kids Europe, Fox News Channel, Fox Sports Net, Fox Television Network, FX, My Network TV, MySpace, News Limited News, Phoenix InfoNews Channel, Phoenix Movies Channel, Sky PerfecTV, Speed Channel, STAR TV India, STAR TV Taiwan, STAR World, Times Higher Education Supplement Magazine, Times Literary Supplement Magazine, Times of London, 20th Century Fox Home Entertainment, 20th Century Fox International, 20th Century Fox Studios, 20th Century Fox Television, BSkyB, DIRECTV, The Wall Street Journal, Fox Broadcasting Company, Fox Interactive Media, FOXTEL, HarperCollins Publishers, The National Geographic Channel, National Rugby League, News Interactive, News Outdoor, Radio Veronica, ReganBooks, Sky Italia, Sky Radio Denmark, Sky Radio Germany, Sky Radio Netherlands, STAR and Zondervan
CBS Corporation owns…
CBS News, CBS Sports, CBS Television Network, CNET, Showtime, TV.com, CBS Radio Inc. (130 stations), CBS Consumer Products, CBS Outdoor, CW Network (50% ownership), Infinity Broadcasting, Simon & Schuster (Pocket Books, Scribner) and Westwood One Radio Network
Comcast owns…
NBC, Bravo, CNBC, NBC News, MSNBC, NBC Sports, NBC Television Network, Oxygen, SciFi Magazine, Syfy (Sci Fi Channel), Telemundo, USA Network, Weather Channel, Focus Features, NBC Universal Television Distribution, NBC Universal Television Studio, Paxson Communications (partial ownership), Hulu, Universal Parks & Resorts, Universal Pictures and Universal Studio Home Video