High Quality Content by WIKIPEDIA articles! The Hess Corporation (formerly Amerada Hess) is an American-based integrated oil company based in New York City. The company explores, produces, transports, and refines crude oil and natural gas. Vertically completing the logistical chain, about 1,360 Hess branded filling stations market gasoline to consumers in 16 states along the East Coast of the United States. Refined petroleum products, as well as natural gas and electricity, are marketed to customers throughout the East Coast of the United States. Although towered over in size by enormous global players in the same industry, Hess placed #55 in the 2009 Fortune 500 rankings.