Norsk Hydro ASA is a Norwegian aluminium and renewable energy company headquartered in Oslo. Hydro is the fourth largest integrated aluminium company worldwide. It has operations in some 40 countries around the world and is active on all continents. The Norwegian state holds a 43.8 percent ownership interest in the company which employs approximately 28 000 people. Svein Richard Brandtzæg has been the CEO since 2009.
Key people are Svein Richard Brandtzaeg and Terje Vareberg.