FirstMerit Corporation is a bank holding company. The Company's business consists of owning and supervising its affiliates. It operates through FirstMerit Bank, N.A. and its other subsidiaries, providing a range of banking, fiduciary, financial, insurance and investment services to customers throughout Ohio, the Chicago, Illinois-metropolitan area, Michigan, Wisconsin and Western Pennsylvania. Its segments include Commercial, Retail, Wealth and Other. The Commercial segment provides various lending, depository and related financial services. The Retail segment includes consumer lending and deposit gathering, residential mortgage loan origination and servicing, and branch-based small business banking. The Wealth segment offers a range of asset management, private banking, financial planning, estate settlement and administration, credit and deposit products and services. The Other segment includes activities of the parent company, community development operations and the treasury group.