Parker Brothers was an American toy and game manufacturer which in 1991 became a brand of Hasbro. More than 1,800 games were published under the Parker Brothers name since 1883. Among its products were Monopoly, Clue, Sorry!, Risk, Trivial Pursuit, Ouija, Aggravation, Bop It, Scrabble, and Probe. The trade name became defunct with former products being marketed under the "Hasbro Gaming" label with the logo shown on Monopoly games.

Hasbro, Inc. is an American multinational conglomerate holding company incorporated and headquartered in Pawtucket, Rhode Island. Hasbro owns the trademarks and products of Kenner, Milton Bradley, Parker Brothers, and Wizards of the Coast, among others. As of August 2020, over 81.5% of its shares were held by large financial institutions.