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• Harch Hyperbarics - Providing hyperbaric oxygen therapy and undertaking research. Includes discussion of neurological applications and research finding, plus a meetings calendar. Harvey, Louisiana, USA.
• 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.
• 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.
• 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.