Unibroue is a brewery in Chambly, Quebec, Canada, that was started by Serge Racine and Quebec native André Dion. The company was purchased by Sleeman Breweries Ltd. in 2004, which was itself taken over by Sapporo in 2006.

Sleeman Breweries is a Japanese-owned Canadian brewery founded by John Warren Sleeman in 1988 in Guelph, Ontario. The company is the third-largest brewing company in Canada. Along with its own Sleeman brands, the company produces under licence the Stroh's family of brands, Maclays Ale and Sapporo Premium beers for sale in Canada. The company's parent Sapporo owns 4.2 per cent of Ontario's primary beer retailer The Beer Store.