Промышленные ассоциации
American Petroleum Institute (API)
International Organisation of Oil and Gas Producers (OGP)
International Council on Mining and Metals (ICMM)
Члены: Alcoa, CVRD, Freeport-McMoRan Copper & Gold, Gold Fields, Mitsubishi Materials, Nippon Mining & Metals, Sumitomo Metal Mining, Teck Cominco, и Zinifex
