Who are the five entities that own the 5 media sources In the US?

Update: For example Turner Broadcasting owns: CNN, HLN, TBS, TNT, Cartoon Network, Adult Swim, Boomerang, truTV, Turner Classic Movies, New Line Cinema, Time Inc., HBO, Turner Broadcasting System, The CW Television Network, TheWB.com, Warner Bros., Kids' WB, Boomerang, DC Comics and Castle Rock Entertainment to name a... show more For example Turner Broadcasting owns: CNN, HLN, TBS, TNT, Cartoon Network, Adult Swim, Boomerang, truTV, Turner Classic Movies, New Line Cinema, Time Inc., HBO, Turner Broadcasting System, The CW Television Network, TheWB.com, Warner Bros., Kids' WB, Boomerang, DC Comics and Castle Rock Entertainment to name a few.
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