Under Grandmaster D.K. Shin, 9th dan Hapkido. Includes history, schedules, curriculum, student information and movies. Schools in Redwood City, Francisco and San Refael, California.
Under Grandmaster Chong S. Kim, 9th dan Hapkido. Includes description, articles, masters profile, locations and seminar information. Based in Los Angeles areas.
Under Grandmaster Tae W. Kwon, 9th dan Hapkido. Includes history, instruction, master biography, philosophy, schedules, rates and programs and related links. Based in Torrance, California.
Under Master Isaac Costley, offers a hybrid of Hapkido. Includes philosophy, photos, training, conditioning, flexibility, tu and won and instructor profile. Based in Colorado Springs, Colorado.
Under Arthur R. Huerta, 4th dan Hapkido. System based on Korean Hapkido and also draws from Jeet Kune Do, Filipino Escrima, Brazilian Jujitsu and Western Boxing. Includes classes and training, photos, instructors and related links. Based in Colorado Springs, Colorado.
Under Instructor Christopher LaCava, 2nd dan Hapkido. Includes history, philosophy, Korean characters, events, related links and schedule. Based in Westport, Connecticut.