Comerica, Inc. engages in the provision of financial services. It operates through the following segments: Commercial Bank, Retail Bank, Wealth Management, Finance and Other. The Commercial Bank segment involves in the middle market businesses, multinational corporations, and governmental entities by offering various products and services such as 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. The Retail Bank segment includes small business banking and personal financial services, which consist of consumer lending, consumer deposit gathering, and mortgage loan origination. The Wealth Management segment offers fiduciary services, private banking, retirement services, investment management and advisory services, investment banking and brokerage services. The Finance segment comprises corporation's securities portfolio and asset and liability management activities. The Other category consists of income and expense impact of equity and cash, tax benefits, charges of an unusual or infrequent nature that are not reflective of the normal operations, and miscellaneous other expenses of a corporate nature. The company was founded in 1973 and is headquartered in Dallas, TX.