The Great Atlantic & Pacific Co. (A&P)
Cadbury Canada
Casco Company
Christie Brown & Co.
Effem Foods
H.J. Heinz Co. Ltd Hershey Inc.
Kellogg Salada
Kraft Foods
Labatt Breweries Limited
Lantic Sugar Limited
McCormick Inc.
Molson's Brewery
Nabisco Foods
Ogilvie Mills Limited
Redpath Sugar
Rowntree Mackintosh Co. Ltd.
J.E. Seagram & Sons Limited
St. Lawrence Starch Co. Ltd.