Soke Masaaki Hatsumi www.bujinkan.com
Official Site of the Bujinkan.

Ohoko-North Carolina www.minthillmartialarts.com/judo/
Location: Mint Hill, North Carolina. Frank Picarelli, Shidoshi.

Ohoko-Arizona www.ohokoaz.com
Location: Phoenix, AZ. Parrish Rowland-Shidoshi.

Ohoko-Colorado Springs www.ohokorockies.com
Location: Colorado Springs, CO.  Karry Dayton, Shidoshi.

Taka Seigi Dojo www.onibujin.com
Phil Legare's Shinkentaijutsu Site.

Bujinkan Taka Seigi Dojo www.btsdsd.com
Location:  San Diego, CA  Bill Stegner, Yondan

Bujinkan-Japan: Bujinkan Hombu/Ayase Classes
www001.upp.so-net.ne.jp/bujinkan
Official Site by George Ohashi.

Vegas Bujinkan www.Vegasbujinkan.com
Location: Las Vegas, NV. Scott Armstrong, Godan

Ninjutsu.com www.ninjutsu.com
On line supply store

ShinobiGear.com www.shinobigear.com 
A first-rate source for training materials