Time Warner este al treilea conglomerat media la nivel global in functie de capitalizare (in urma News Corporation si Walt Disney Company), cu sediul central in Time Warner Center in New York.
Printre subsidiarele Time Warner se numara AOL, New Line Cinema, Time Inc., HBO, Turner Broadcasting System, The CW Television Network, TheWB.com, Warner Bros. Entertainment, Kids' WB, The CW4Kids, Cartoon Network, Adult Swim, CNN, DC Comics, si Warner Bros. Games.