Canada Malting Company Limited. Canada Malting Co. Limited is the world's second largest producer of malted barley which is used by brewers, distillers and food manufacturers operating in Canada, the United States and the United Kingdom. The company is Canada's leading malt producer and exporter. Its subsidiaries include Great Western Malting Co., (USA), Hugh Baird and Sons Limited (UK), Malteria Pampa S.A. and Lever Mushrooms Co. (Canada).