Rana Gruber ASA engages in the mining, processing, and sale of iron ore concentrate. The company excavates, processes, and sells iron oxide in the form of hematite, magnetite, and iron oxide pigments. It also produces magnetite iron oxide concentrates. The company offers its products under the Colorana brands. It exports its products worldwide. Rana Gruber ASA was founded in 1937 and is headquartered in Mo i Rana, Norway.