Principal Financial Group Inc. (PFG) is one of the leading providers of retirement savings, investment and insurance products and services in the United States. The company offers a broad range of individual and group life insurance, group health insurance, individual and group disability insurance, as well as group dental and vision insurance. Based in Tucson, Ariz., it organize its U.S. asset accumulation operations into six product and service categories: full service accumulation, principal funds (its mutual fund business), individual annuities, bank and trust services, investment only and full service payout.