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 that is used for metallurgical applications; magnetite to produce water treatment chemicals; and other special products, such as iron oxide pigments that is used for colorants and developed products under the Colorana brand name. It markets its products to steel manufacturers, water treatment chemical producers, as well as concrete, paint, plastics, heat management, automotive, and toner production industry sectors. The company also exports its products mainly to European customers. Rana Gruber ASA was founded in 1937 and is headquartered in Mo i Rana, Norway.