: BHP Billiton, Rio Tinto Group : Cockerill-Sambre : Caemi, CSN, MMX Mineração, Telequartz, Vale : Alcan, Dofasco, Cassiar Gold Corp. : Codelco : Shanghai Baosteel Group Corporation : Aceralia : Aurubis, K+S, Salzgitter, ThyssenKrupp : Corus, Vedanta Resources : Tata Steel, JSW Steel, SAIL, Rastriya Isphat Nigam LImited : Nippon Steel : Arcelor-Mittal : Vitol : Severstal : Anglo Platinum, Harmony Gold : Glencore, Xstrata : Alcoa, G2MT Laboratories, Freeport, U.S. Steel : Reyna Silver