Karate-Do Union of Singapore

1. World Karate Federation
www.wkf.net

2. JKF Gojukai
www1.ocn.ne.jp

3. All Japan Karatedo Federation
www.karatedo.co.jp

4. Asia Pacific Shitoryu Karatedo Federation
www.apskf.com

5. All Japan Shitokai Karatedo Federation
www.karatedo,co.jp/shitokai/English/et-index.html