Konami Holdings Corporation is a Japanese entertainment conglomerate and video game company. In addition to being a video game developer and publisher, it also produces and distributes trading cards, anime, tokusatsu, pachinko machines, slot machines and arcade cabinets. Konami has casinos around the world and operates health and physical fitness clubs across Japan. Konami's video game franchises include Metal Gear, Silent Hill, Castlevania, Contra, Frogger, Tokimeki Memorial, Parodius, Gradius, Yu-Gi-Oh!, Suikoden and Pro Evolution Soccer. Additionally, Konami owns Bemani, known for Dance Dance Revolution and Beatmania, as well as the assets of former game developer Hudson Soft, known for Bomberman, Adventure Island, Bonk and Star Soldier. Konami is the nineteenth-largest game company in the world by revenue. Konami also publishes the Yu-Gi-Oh Trading Card Game. The company originated in 1969 as a jukebox rental and repair business in Toyonaka, Osaka, Japan, by Kagemasa Kōzuki, who remains the company's chairman. The name Konami is a portmanteau of the names of three founding members: Kagemasa Kozuki, Yoshinobu Nakama, and Tatsuo Miyasako. Konami is headquartered in Tokyo. In the United States, Konami manages its video game business from Aviation Blvd, California and its casino gaming business from Paradise, Nevada. Its Australian gaming operations are in Sydney. As of March 2019, it owns 22 consolidated subsidiaries around the world.