Kosho Ryu

Mitose International Kosho-Ryu Kenpo Association
Headed by Thomas Mitose, James Mitose's son. Features a family tree, biographies of the founders, details in the symbolism of the code of arms, and related resources.
http://www.kosho-ryu.com/

Sei Kosho Shorei Kai International
Organization headed by Bruce Juchnik Hanshi. Contains several articles on the style, listing of affiliate schools, upcoming events, and membership information.
http://www.skski.net/