FightingDirectory.info is a great resource containing links related to Chinese martial arts, Korean martial arts, Japanese martial arts, martial arts services, aikido, karate, taekwando, muay thai, chung moo doe, tang soo do and more.
Features a comprehesive FAQ that details various aspects for the sport, from historical to technical. Also includes results of past events, and searchable statistics.
E-zine and that serves as the voice of Southern California Sumo Kyokai. Contains monthly archive of news, tournaments and photos along with contact information. Based in Long Beach.
Contains overview of sumo within the United States and the sport's bid to become an Olympic sport. Also, features news, events calendar, history, photo gallery, champions, and links.
