Zions Bancorporation, National Association is a financial holding company. The Company conducts its banking operations through separately managed and branded segments, including Zions Bank, Amegy Bank, California Bank & Trust, National Bank of Arizona, Nevada State Bank (NSB), Vectra Bank Colorado, The Commerce Bank of Washington (TCBW) and Other. It focuses on providing community banking services through its business lines, including small and medium-sized business and...