Rio Tinto Alcan the world's largest aluminum producer, ahead of Russia's RUSAL and the US's Alcoa. The company participates in all facets of aluminum production, mining bauxite, refining alumina, and making aluminum sheet, foil, wire and cable, and extrusions (doors, windows, auto parts). Rio Tinto Alcan also generates hydroelectric power and makes specialty chemicals and packaging products.
The company runs its business through three segments: Engineered Products, Primary Metal, and Bauxite and Alumina. It produces about 35 million tons of bauxite, 9 million tons of alumina, and 4 million tons of aluminum products annually.