Ace Hardware received the highest numerical score among retail stores in the proprietary J.D. Power and Associates 2007-2009 Home Improvement Retail Store Studiessm. 2009 study based on responses from 8,186 consumers measuring five stores and opinions of consumers who purchased a home improvement product or service within the previous 12 months. Proprietary study results are based on experiences and perceptions of consumers surveyed March-April 2009. Your experiences may vary. Visit jdpower.com.