Alcan Jamaica
Aluar Aluminio Argentina
Bechtel / Minera Candelaria
BHP Billiton
International Nickel
Centromin Peru
Companhia Vale do Rio Doce
Grupo Mexico
Industrial Minera de Mexico
Rio Tinto
Anglo American
Codelco – Chuquicamata
Southern Copper Corp
Oro de Sotula, S.A.
