Competition is heating up among large grocery chains, which is further exacerbat

Competition is heating up among large grocery chains, which is further exacerbated by the increasing availability of a variety of food items in drug and convenience stores. Hannaford Bros. Co., Shaw\u27s Supermarkets, Wal-Mart supercenters, and a soon-to-be-built Stop & Shop are competing for the southern Maine grocery dollar. Shaw\u27s is planning a smaller community store in Wiscasset. Stop & Shop is entering the Maine market and will probably aggressively compete with lower prices. Hannaford has focused on perishables, which Wal-Mart doesn\u27t do. With a list of the top 10 U.S. food retailers by sales for 1982, 1992, and 2002