Statoil ASA was a Norwegian petroleum company established in 1972. It merged with the oil and gas division of Norsk Hydro in 2007 and was known as StatoilHydro until 2009, when the name was changed back to Statoil ASA. The brand Statoil was retained as a chain of fuel stations owned by StatoilHydro. Statoil was the largest petroleum company in the Nordic countries. In the 2013 Fortune 500, Statoil was ranked as the 39th -largest company in the world. While Statoil was listed on both the Oslo Stock Exchange and the New York Stock Exchange, the Norwegian state still held majority ownership, with 64%. The company's headquarters are located in Norway's oil capital Stavanger. The name Statoil was a truncated form of the State's oil (company).