American Okinawan Karate Association
Organization established under Tatsuo Shimabuku, Steve Armstrong, and Harold Mitchum. Resources include history, events, newsletters, membership details, merchandise, and contact information.
Exerkai Isshinryu Karate Association
List of schools, events and general information. [flash4 needed]
International Isshinryu Karate Association
Worldwide support for the style. History, instructor profile, news, events, dojo list and registration.
United States Isshinryu Karate Association
Features dojo etiquette, history, events, links and general information.