Underground Martial Arts Industry

The underground martial arts industry refers to the different organizations that run business, entertainment and other enterprises with martial arts as the core.

Japan
The underground martial arts industry in Japan is composed of many organizations with the Kengan matches being the largest and most prominent of them all. The underground battle industry also includes Bishamon, Purgatory, the yakuza-funded armed death matches known as the Death Fights, East Japan-based Underground -1, the organization with the most radical rules of them all Slaughter Coliseum and an unnamed league taking place in Tokyo Dome. Purgatory and Bishamon are the largest organizations in the Japanese underground battle industry after the Kengan matches.

China
China also has an underground martial arts promotion known as Heroic Tales, based in Beijing, which is divided into weight classes and seems to be ran by the Chinese mafia.

Others
Other underground martial arts arenas are based in Brazil, Italy and United Kingdom.