Warner Bros. Entertainment Inc. is an American diversified multinational mass media and entertainment conglomerate headquartered at the Warner Bros. Studios complex in Burbank, California, and a subsidiary of AT&T's WarnerMedia through its Studios & Networks division. Founded in 1923 by four brothers Harry, Albert, Sam, and Jack Warner, the company established itself as a leader in the American film industry before diversifying into animation, television, and video games, and is one of the "Big Five" major American film studios, as well as a member of the Motion Picture Association.
The company is known for its film studio division, the Warner Bros. Pictures Group, which includes Warner Bros. Pictures, New Line Cinema, the Warner Animation Group, Castle Rock Entertainment, and DC Films. Among its other assets include the television production company Warner Bros. Television Studios; animation studios Warner Bros. Animation and Cartoon Network Studios; comic book publisher DC Comics; video game development and publishing arm Warner Bros.