World Muaythai Council WMC : The official world governing body of Muaythai, under the directive of the Royal Thai Government.

Mixed martial arts (MMA) is a full contact combat sport that allows a wide variety of fighting techniques and skills, from a mixture of martial arts traditions and non-traditions, to be used in competitions. The rules allow the use of both striking as well as grappling techniques, both while standing and on the ground. Such competitions allow martial artists of different backgrounds to compete.

The Ultimate Fighting Championship (UFC) is a mixed martial arts (MMA) promotion company based in the United States that hosts numerous events worldwide.

K-1 is a Japanese kickboxing promotion based in Tokyo, Japan founded by Kazuyoshi Ishii, a former Kyokushin karate practitioner, and owned by the Fighting and Entertainment Group (FEG), who organize combat sport events in Japan, and around the world, that include events by the mixed martial arts promotion Dream. K-1 combines stand up techniques from Karate, Muay Thai, Taekwondo, Savate, San Shou, Kickboxing, western-style Boxing, and other martial arts. K1 Fighters and Tournaments Database