In 2007, Hydro's oil and gas businesses spun off and merged with Statoil. Three years earlier the fertilizer business had been listed as a separate company - Yara International.What remained in Hydro was a global, integrated aluminum and hydroelectric power company. Four years later, extensive activities acquired in Brazil in bauxite mining and alumina refining. It secured access to raw materials Hydro's global aluminum production.In 2013, the company's worldwide system for the manufacture of extruded aluminum products merged with its largest competitor, Sapa. Hydro owns 50 percent of this company, the world's leading manufacturer of aluminum extrusions, including construction and transportation.