Here are some useful links:

Del Saito Martial Arts Training Center/Traditional Karate-do Federation International
www.tkfikarate.com

TKFI Shihan Kai Members

Shihan Ceci Cheung
www.aoinagi.org

Shihan Dwight Grover
ichibankarate.com

Hanko-Ryu Italy - Shihan Ivano Di Battista
www.hankoryu.org  (In Italian)