Chronic Pain Association (ACPA)
http://www.theacpa.org -- Founded in 1980, this organization's mission is to facilitate peer support and education for individuals with chronic pain and their families so that these individuals may live more fully despite their pain and to raise awareness among the health care community, policy makers, and the public at large about issues of living with chronic pain. The organization's website features a variety of unique educational materials and other resources for patients, their families, and healthcare professionals.
http://www.arthritis.org/ -- A consumer-oriented site, the Arthritis Foundation is the only national not-for-profit organization that supports the more than 100 types of arthritis and related conditions with advocacy, programs, services and research.
Fibromyalgia Information Foundation (FIF)
http://www.myalgia.com -- A website offering research and treatment information from an Oregon-based foundation whose directors are Oregon Health and Science University researchers engaged in the day to day management of fibromyalgia patients.