Comerica Bank, with 103 banking centers in the key California markets of San Francisco and the East Bay, San Jose, Los Angeles, Orange County, San Diego, Fresno, Sacramento, and Santa Cruz / Monterey, is a subsidiary of Comerica Incorporated (NYSE: CMA ). Comerica is a financial services company headquartered in Dallas, Texas, and strategically aligned into three major business segments: the Business Bank, the Retail Bank, and Wealth Management. Comerica focuses on relationships and helping businesses and people be successful. Comerica reported total assets of $55.0 billion at September 30, 2010.