Rana Gruber ASA 

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 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, magnetic stripes, and chemical processes under the Colorana tradename. 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. 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.