Rana Gruber ASA engages in the mining, processing, and sale of iron ore concentrate in Norway, the United Kingdom, Sweden, the United States, and internationally. The company excavates, processes, and sells iron oxide in the form of hematite, magnetite, and iron oxide pigments. Hematite is used for iron and steel production in smelting plants, and magnetite is used in industrial water purification processes. Rana Gruber ASA was founded in 1937 and is headquartered in Mo i Rana, Norway. As of March 17, 2026, Rana Gruber ASA operates as a subsidiary of Champion Iron Limited.