Center for Occupational Rehabilitation and Ergonomics (CORE)
http://www.med.jhu.edu/rehab/index.html/

American Academy of Physical Medicine and Rehabilitation
http://www.aapmr.org/

American Congress of Rehabilitation Medicine
http://www.acm.org/

American Pain Society
http://www.ampainsoc.org/

Mayo Clinic Vestibular Rehabilitation Program
http://www.mayo.edu/vest-rehab

National Rehabilitation Association
http://www.nationalrehab.org/

National Rehabiliitation Information Center
http://www.naric.com/

Spinal Cord Research Center
http://www.scrc.umanitoba.ca/

The National Multiple Sclerosis Society
http://www.nmss.org/

The PhysicalMedicine and Rehabilitation Center
http://www.rehabmed.net/