Comerica, Inc. operates as a financial services company. It operates through the following business segments: Business Bank, Retail Bank, and Wealth Management. The Business Bank segment engages in the middle market businesses, multinational corporations, and governmental entities by offering various products and 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 deals with the fiduciary services, private banking, retirement services, investment management and advisory services, investment banking, and brokerage services. The company was founded in 1973 and is headquartered in Dallas, TX.