Entergy Corporation is a Fortune 500 integrated energy Company engaged primarily in electric power production and retail distribution operations. Its three business segments are: Utility; Entergy Wholesale Commodities; and Parent and Other. Entergy's utility companies generate, transmit, distribute, and sell electric power, and operate a small natural gas distribution business. Entergy's wholesale commodities business owns and operates six nuclear units in the northern United States. This business is primarily focused on selling power produced by those plants to wholesale customers. This business also provides operations and management services to nuclear power plants owned by other utilities.