Mineração Rio do Norte S.A.

Mineração Rio do Norte S.A. (MRN) is Brazil's largest bauxite mining company and raw material producer operating in the Amazon region of Pará. The company extracts, beneficiates, and processes high-grade bauxite ore, serving as the primary source material for aluminum refining and smelting. With an annual production capacity exceeding 12 million metric tons, MRN supplies major domestic alumina refineries and exports to international industrial markets across North America, Europe, and Asia. Headquartered in Porto Trombetas within the municipality of Oriximiná, the organization integrates large-scale industrial operations with environmental rehabilitation and community development programs. Operating within the Saracá-Taquera National Forest under strict environmental standards, the enterprise manages comprehensive washing, drying, railway transportation, and port terminal shipping infrastructure. The business serves major global B2B industrial clients in the metallurgy, aluminum production, energy distribution, and construction sectors. Jointly owned by shareholders including Glencore, South32, and Rio Tinto, MRN delivers certified bauxite products meeting international Aluminium Stewardship Initiative performance and chain of custody standards.