 Wineries were exempted from closure, and various breweries and distilleries remained open for the export market.In Hamilton, Ontario, Rocco Perri specialized in exporting liquor from old Canadian distilleries, such as Seagram and Gooderham and Worts to the United States, and helped these companies obtain a large share of the American market.In London, Ontario, Harry Low and his group of rum-runners bought the Carling Brewery, while the Labatt family left the operations to the manager Edmund Burke.