Ralphs Grocery Company is a major supermarket chain in the Southern California area. It is the olest such chain west of the Mississippi River. Ralphs Grocery Company is the largest supermarket division of Cincinnati, Ohio-based retail conglomerate Kroger. In addition to Ralphs supermarkets, the Ralphs Grocery Company operates stores under the Cala Foods, Bell Markets, Food-4-Less, and FoodsCo names in California as well as PriceRite stores in Nevada. PriceRite stores either closed or converted to Food-4-Less.