Phoenix Quest Center Martial Arts
- To-Shin Do training with Michael Stinson and Lori Greenawalt in Phoenix, AZ. Background information, instructor profiles, pictures, and class schedules.
- http://www.phoenixquestcenter.com/

North Carolina Quest Center
- Teaching To-Shin Do Ninjutsu and cardio kickboxing in the Triangle area under the direction of Dr. Richard Stack. Lists class schedules, clubs, instructor profiles, FAQs and general information.
- http://www.ncquestcenter.com

Portland, ME Quest Center
- Dojo under the direction of John Poliquin, offering class schedules and descriptions, instructor profiles, history of To-Shin Do, and training philosophies.
- http://www.questmartialarts.com/

SKH Quest Center
- Home dojo of Stephen K. Hayes, founder of To-Shin Do and a well-known expert on Ninpo. Articles on lineage, tradition, spiritual training, technique, and testing criteria. Pro-shop and special events. Details on the purpose and content of To-Shin Do, and
- http://www.skhquest.com