Disclaimer: Commerce Bank, N.A. received the highest numerical score among retail banks in the Midwest region in the proprietary J.D. Power and Associates 2008-2010 Retail Banking Satisfaction StudiesSM, tied in 2009. 2010 study based on 47,673 total responses measuring 18 providers in the Midwest region (IA, IL, KS, MO, MN, WI) and measures opinions of consumers with their primary banking provider. Proprietary study results are based on experiences and perceptions of consumers surveyed in January 2010. Your experiences may vary. Visit jdpower.com.