National Bank of Arizona (NB|AZ) is a commercial bank based in Salt Lake City, Utah. The bank provides a wide array of services such as personal banking, nonprofit banking, business banking, wealth management, private banking and energy efficiency financing services. NB|AZ offers checking, saving, cash flow management, treasury management, credit cards, factoring services, merchant banking services and equipment leasing and financing services. The bank also provides private equity, acquisition finance, letters of credit, debts and loans. National Bank of Arizona operates as a division of ZB.