American companies established in 1923

Warner Bros. Pictures is an American film production and distribution company. Headquartered at the Warner Bros. Studios complex in Burbank, California, it is the flagship label of the Warner Bros. Pictures Group division of Warner Bros. Entertainment, itself a division of AT&T's WarnerMedia. Founded in 1923 by Harry Warner, Albert Warner, Sam Warner, and Jack L. Warner, in addition to producing its own films, it handles filmmaking operations, theatrical distribution, marketing and promotion for films produced and released by other Warner Bros. labels, including Warner Bros. Animation, Warner Animation Group, New Line Cinema, DC Films, and Castle Rock Entertainment, as well as various third-party producers.

Walt Disney Pictures (branded as simply Disney since 2011) is an American film studio and a subsidiary of The Walt Disney Studios, which is ultimately owned by The Walt Disney Company. The subsidiary is the main producer of live-action feature films within the Walt Disney Studios unit, and is based at the Walt Disney Studios in Burbank, California. It took on its current name in 1983. Today, in conjunction with the other units of Walt Disney Studios, Walt Disney Pictures is regarded as one of Hollywood's "Big Six" film studios along with sister studio 20th Century Fox. Films produced by Walt Disney Animation Studios and Pixar Animation Studios are also released under this brand.

Walt Disney Animation Studios (WDAS), also referred to as Disney Animation, headquartered at the Walt Disney Studios in Burbank, California, is an American animation studio that creates animated feature films, short films and television specials for The Walt Disney Company. Founded on October 16, 1923, it is a division of The Walt Disney Studios. The studio has produced 57 feature films, from Snow White and the Seven Dwarfs (1937) to Ralph Breaks the Internet (2018).

The Walt Disney Company, commonly known as Disney (), is an American diversified multinational mass media and entertainment conglomerate headquartered at the Walt Disney Studios complex in Burbank, California.

The Walt Disney Studios is an American film studio, one of the four business segments of The Walt Disney Company. The studio, one of the "Big Five" major film studios and best known for its multi-faceted film divisions, is based at the eponymous Walt Disney Studios in Burbank, California. Founded in 1923, it is the fourth-oldest among the major studios.

Hasbro, Inc. (a syllabic abbreviation of its original name, Hassenfeld Brothers) is an American multinational conglomerate with toy, board game, and media assets. Hasbro owns the trademarks and products of Kenner, Parker Brothers, and Milton Bradley, among others.

Edgar Rice Burroughs, Inc. is an American company founded in 1923 by author Edgar Rice Burroughs. It is based in Tarzana, California. The company holds the rights to the literary works of Burroughs that are still protected by copyright (a number of Burroughs' early works have passed out of copyright and consequently are in the public domain).

Mayfield Dairy Farms is a United States dairy products company, with its headquarters in Athens, Tennessee and additional production plants in Birmingham, Alabama, and Braselton, Georgia. Since 1990 it has been under the ownership of Dean Foods.

The Bear Stearns Companies, Inc. was a New York-based global investment bank, securities trading and brokerage firm that failed in 2008 as part of the global financial crisis and recession, and was subsequently sold to JPMorgan Chase. Its main business areas before its failure were capital markets, investment banking, wealth management, and global clearing services, and it was heavily involved in the subprime mortgage crisis.