RGM was founded in 1999 due to the re-structuring of Rana Gruber AS into the Rana Gruber Group. RG Mineral AS is a subsidiary 100% owned by Rana Gruber AS.
The company manufactures and markets speciality products under the trade name of and offers custom grinding. These are the key business areas.
In addition RGM offers services within chemical and physical analysis, testing of technical applications and development of mineral products. These activities are carried out by RGM’s R&D Group supported by the Research and QA-laboratory.

RGM is an integrated part of the Rana Gruber Group, located in Mo i Rana, Norway.