Founded in 1916, Piggly Wiggly is a chain of true self-service grocery stores in the United States. Located in Hopkinsville, Ky., it offers a lot of conveniences and services to the American shoppers. The store provides a variety of checkout stands, gives shoppers more for their food dollar through high volume and low profit margin retailing. Piggly Wiggly features a complete line of nationally advertised brands, use refrigerated cases to keep food fresh longer. Additionally, it designs and patented fixtures and equipment.