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 offers various 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. The Retail Bank segment includes personal financial services, consisting of consumer lending, consumer deposit gathering and mortgage loan origination, and offers consumer products, including deposit accounts, installment loans, credit cards, student loans, home equity lines of credit, and residential mortgage loans. The Wealth Management segment offers fiduciary services, private banking, retirement services, investment management and advisory services, investment banking, and brokerage services. The Finance segment includes the corporation's securities portfolio and asset and liability management activities. The Other segment includes the 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.