Harch Hyperbarics
- Providing hyperbaric oxygen therapy and undertaking research. Includes discussion of neurological applications and research finding, plus a meetings calendar. Harvey, Louisiana, USA.
- http://www.harchhyperbarics.com/

The Hyperbaric Medicine Group
- Provides consulting and ongoing management services as well as conducting research projects. Explains principles and applications of this treatment. Salt Lake City, Utah, USA.
- http://www.hbotgroup.com

Hyperbarics International
- Offers a course in advanced chamber and medical techniques to physicians, dive supervisors and rescue personnel. Includes detailed curriculum and possible applications. Key Largo, Florida.
- http://www.hyperbaricsinternational.com/

National Baromedical Services
- Provides education, research and consulting services in North America, with an electronic library database and information on training. Includes details of The Baromedical Research Foundation.
- http://www.baromedical.com/