• Action for M.E. Action for M.E. is a UK charity working to improve the lives of people with M.E. They campaign for more research, better services and treatments.

• Alison Hunter Memorial Foundation Myalgic encephalopathy and chronic fatigue syndrome information for patients and medical professionals.

• American Association for Chronic Fatigue Syndrome - AACFS Organization of research scientists, physicians, licensed medical healthcare professionals, and other individuals and institutions interested in promoting the stimulation, coordination, and exchange of ideas for CFS research and patient care.

• CFIDS Association of America Chronic fatigue syndrome information, support and advocacy resources, including a grassroots on-line action center.

• CFIDS Emergency Relief Services, Inc. Helps primarily people with chronic fatigue syndrome, who having no other recourse, would endure hunger, homelessness and/or medical deprivation.

• FM-CFS Canada Canadian national, registered-charity devoted to fibromyalgia and chronic fatigue syndrome, advancing education, research and treatment.

• ME/Chronic Fatigue Syndrome Society of NSW Inc. This site includes information on what the Society offers, the disease, further reading and downloadable brochures.

• National CFIDS Foundation Research oriented organization providing information, newsletter, online library and links.

• New Jersey Chronic Fatigue Syndrome Association An organization of people with CFS which supports, informs and helps patients to deal with this serious illness. An in depth look at this syndrome as well as frequently asked questions.

• The CFS Research Foundation A charity that supports research aimed at understanding chronic fatigue syndrome (also known as M.E.) and its treatment.

• The Connecticut CFIDS & FM Association, Inc. Providing support to patients in Connecticut with chronic fatigue immune dysfunction syndrome, CFIDS, chronic fatigue syndrome, CFS, fibromyalgia syndrome, FM.

• The M.E. Association The official website for UK-based charity covering everything from their latest research to advice on applying for benefits.

• The Myalgic Encephalomyelitis Association of Ontario Offers info, tips, and support to those coping with ME/CFS and related illnesses, including youth and parents.

• Wisconsin Chronic Fatigue Syndrome Association An information, advocacy and support organization for CFS and Fibromyalgia Syndrome.