Canpotex is the world's largest exporter of potash, an international marketing and distribution company wholly owned by the Saskatchewan potash producers: Agrium Inc., The Mosaic Company, and Potash Corporation of Saskatchewan Inc.As a competitive world supplier, Canpotex markets and distributes Saskatchewan potash to customers overseas, principally to countries in Asia, Latin America, and Oceania. Operating since 1972, Canpotex has corporate offices in Singapore, Hong Kong, Tokyo, Saskatoon, and Vancouver.