Anglo American Plc
Anhui Xinke Copper Co Ltd
Antofagasta Plc
Aurubis AG
BHP Billiton Group
Cerro Flow Products LLC
ChangChun Group
Chinalco Shanghai Copper
China Nonferrous Mining Corp Ltd
Codelco
Copper Braid Products
Diehl Group
Dowa Metaltech
First Quantum Minerals Ltd.
Freeport-McMoran Inc.
Furukawa Electric Co Ltd
Glencore International AG
Golden Dragon
Grupo Mexico S.A.B. DE C.V.
Hailiang Group
Halcor Group
Hindalco Industries Ltd
Hudbay Minerals Inc.
IBC Advanced Alloy
IUSA
Jiangxi Copper Co. Ltd.
Jiangxi Copper Corporation
Jinchuan Group Co Ltd
Jintian Group
JX Nippon Mining & Metals Corp
KGHM Polska Miedz S.A.
KME Group
Kobe Steel Ltd
LS-Nikko Co.
Lundin Mining Corp
Luvata Oy
Marmon Holdings
Matrod Holdings Berhad
Mitsubishi Materials Corp
Mitsui Mining & Smelting Co. Ltd.
MMC Norilsk Nickel PJSC
Mueller Industries Inc.
Nan Ya Plastics
Olin Brass
OM Group Inc.
Poongsan Holdings Corp
Rio Tinto Group
Sam Dong
Southern Copper Corp
Sumitomo Metal Mining Co Ltd
Teck Resources Ltd
Tongling Nonferrous Metals Group Co Ltd
UMMC Holding Corp
Vale S.A.
Wieland Group
Xingye Copper
Zijin Mining Group Co Ltd