Zions Bancorporation operates in the National commercial banks sector. Zions Bancorporation is a financial holding company. The Company along with its subsidiaries owns and operates eight commercial banks with a total of 495 domestic branches during the year ended December 31, 2010. It provides a range of banking and related services through its banking and other subsidiaries in Utah, California, Texas, Arizona, Nevada, Colorado, Idaho, Washington and Oregon. The Company focuses on providing community banking services by its business lines of small, medium-sized business and corporate banking; commercial and residential development, construction and term lending; retail banking; treasury cash management and related products and services; residential mortgage; trust and wealth management, and investment activities. It operates eight different banks in 10 western and south-western states. In November 2010, the Company and it subsidiary, National Bank of Arizona announced the launch of Zions Energy Link division. In our complete report available for purchase the company is compared to: Comerica Incorporated, Huntington Bancshares Incorporated and First Horizon National Corporation.