International Heavy Haul Association

The International Heavy Haul Association is an association of Heavy Haul railways.

Members
Members as at October 2021 comprised:

Australia
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 * Aurizon
 * Rio Tinto

Brazil

 * Vale

Canada

 * Iron Moustache Consulting
 * Railway Association of Canada

China

 * China Academy of Railway Sciences
 * China Railway

France

 * International Union of Railways

India

 * Indian Railways
 * Ministry of Railways

Norway

 * Nordic Heavy Haul Association

Russia

 * Russian Railway Research Institute

South Africa

 * Transnet Freight Rail

Sweden

 * Nordic Heavy Haul Association

United States

 * Transportation Technology Center}}