American Pain Society - Generally targeted towards physicians, this site contains detailed information and reports on a variety of pain-related subject matter that's appropriate for the general public.
Oprah Magazine - Feature Story on Pain Compelling story of a woman diagnosed with and suffering from chronic migraine headaches. Also covers many other types of headaches and discusses some leading-edge treatments.
American Pain Foundation - Subscribe to a useful newsletter and there's also a pain publication library, information on support groups, and other helpful links.
Medtronic - Is a global leader in medical technology alleviating pain, restoring health and extending life for millions of people around the world.
Chronic Pain & Neurological Disorder ANS-Medical.com
ABS
Advanced Bionics - Advancedbionics.com (spinal cord stimulators)
ANS - Implantable Therapies ANS-medical.com (spinal cord stimulators)
Medtronic - Medtronic.com (spinal cord stimulators and pumps)
Codman (a J&J Company) Codman.com (pumps)