Atlantic Superstore is a Canadian supermarket chain of 54 stores in the Maritimes of Nova Scotia, New Brunswick, and Prince E ... dward Island. It is owned by George Weston Limited through Loblaw Companies Limited, and operates under the Atlantic Wholesalers division of Loblaws. The stores range in size from 45,000 to over 120,000 square feet (4,000 to over 10,000 m²) in size. read more