Comerica Incorporated (Comerica) is a financial services company. Comercia operates in four segments: the Business Bank, the Retail Bank, Wealth Management and the Finance Division. As of December 31, 2011, Comerica owned two active banking and 49 non-banking subsidiaries. The Company's Business Bank meets the needs of middle market businesses, multinational corporations and governmental entities by offering products and services, including commercial loans and lines of credit, deposits, cash management, capital market products, international trade finance, letters of credit, foreign exchange management services and loan syndication services. On July 28, 2011, Comerica acquired Sterling Bancshares, Inc. (Sterling), a bank holding company.