Amegy knows banking from A to Z. Amegy Corporation, the parent of Amegy Bank of Texas (also known as The 'A' Bank), is a subsidiary of Zions Bancorporation. The bank has more than 80 branches, primarily in Houston but also in Dallas and San Antonio. Amegy Bank specializes in serving small businesses and offers standard services, such as deposit accounts, commercial and industrial loans, construction and land development loans, and trust services. The bank provides brokerage, insurance, and wealth management services through Amegy Investments and Amergy Insurance. Subsidiary Amegy Mortgage originates and services commercial, residential, and construction mortgages. The company was founded in 1990.