Comerica Inc. is a registered bank holding company. Its operations made up of three lines of business: Business Bank, Individual Bank and Investment Bank. The Business Bank is comprised of middle market lending, asset-based lending, large corporate banking, treasury management and international financial services. The Individual Bank includes consumer lending, consumer deposit gathering, mortgage loan origination and servicing, small business banking and private banking. The Investment Bank is responsible for the sale of mutual fund and annuity products.