IGA supermarkets lies a family story. For generations, the job of running major Quebec grocery stores has passed from father to son and mother to daughter. The key to their success? Strength in numbers.IGA (Independent Grocers Alliance) is the largest group of independent grocers in Canada. In Quebec its presence dates to 1953, but it all started in 1873 with the opening of a fruit and vegetable store on Rue St-Paul in Montreal. more... See more text