Amateur Athletic Union (AAU): http://www.aaukarate.org/
USA National Karate-Do Federation (USANKF): http://www.usankf.org/default.htm
USA Wado-Ryu: http://www.gmsnet.com/~usawado/
UCSD Karate: http://karateatucsd.org
Ryuei Ryu: http://ryueiryu.com
Itosu-Ryu: http://www.itosu-ryu.us/index.php
TOKON website: http://www.tokon.com/shop/shop/