International

• Multiple Sclerosis International Federation
  Multiple Sclerosis International Federation
  The Multiple Sclerosis International Federation was established in 1967 as an international body linking the activities of national MS societies around the world....
  
   - Multiple Sclerosis International Federation website

Malaysia

• Persatuan Multiple Sclerosis Malaysia

• http://www.penangms.com.my/Penang of MS Support Group Association

Pakistan

• Multiple Sclerosis Research & Patient Welfare Trust

Greece

• Multiple Sclerosis Research Center - BSRC Alexander Fleming

• Greek Multiple Sclerosis Society

Italy

• Italian MS society
• Hilarescere Foundation. Research over MS-CCSVI relationship

Spain

• Federación española de esclerosis múltiple
• Asociación española de esclerosis múltiple (Spanish Multiple Sclerosis Association)

Switzerland

• Schweizerische Multiple Sklerose Gesellschaft
• Venous multiple sclerosis - CCSVI research page

United Kingdom

• Multiple Sclerosis Resource Centre
• Multiple Sclerosis Society
  Multiple Sclerosis Society of Great Britain
  Multiple Sclerosis Society of Great Britain and Northern Ireland is a British medical research charity dedicated to curing the neurological condition multiple sclerosis...
  
   - Multiple Sclerosis Society
• Multiple Sclerosis Trust
  Multiple Sclerosis Trust
  The Multiple Sclerosis Trust is an independent, national UK charity that was established in 1993.The MS Trust works to provide information for anyone affected by multiple sclerosis, education programmes for health professionals, funding for practical research and campaigns for specialist MS...
  
   - Multiple Sclerosis Trust
• All About Multiple Sclerosis - Multiple Sclerosis Information Trust
• MS Research Training and Education - MS Research Training and Education
• National Therapy Centres- Multiple Sclerosis National Therapy Centres
• http://www.mssussex.com - The Sussex Multiple Sclerosis Treatment Centre

Canada

• The Reformed Multiple Sclerosis Society of Canada - The Reformed Multiple Sclerosis Society of Canada website
• Multiple Sclerosis Society of Canada
  Multiple Sclerosis Society of Canada
  Founded in 1948, the Multiple Sclerosis Society of Canada promotes multiple sclerosis research and provides education and services to people with MS and their families and caregivers...
  
   - Multiple Sclerosis Society of Canada website
• DIRECT-MS - Direct-MS website

United States

• Accelerated Cure Project for MS
• Multiple Sclerosis Association of America
• Multiple Sclerosis Foundation
• Multiple Sclerosis Research Center of New York
• Myelin Repair Foundation
• National Multiple Sclerosis Society
  National Multiple Sclerosis Society
  The National Multiple Sclerosis Society, a United States-based non-profit organization, and its network of chapters nationwide promote research, educate, advocate on issues relating to multiple sclerosis, and organize a wide range of programs, including support for the newly diagnosed and those...
  
  - National Multiple Sclerosis Society of the United States
• Nancy Davis Foundation for Multiple Sclerosis
• NARCOMS Registry
• MSSoftServe
• Tyler Hamilton Foundation - Dedicated to supporting MS victims
• Bike The US For MS
• MS MOMS

Argentina

• Asociación de lucha contra la esclerosis múltiple (Multiple Sclerosis Fight association)

Brazil

• ABEM - Associação Brasileira de Esclerose Múltipla