Afrasia Mineral Fields Inc.
African Eagle Resources plc
Alderon Resource Corp.
Ansonia Copper & Brass Inc.
Antofagasta plc [ANFGY.PK]
Anvil Mining
Argosy Minerals Inc.
ASARCO LLC
Atlantic Copper, S.A.
Augusta Resource Corporation
Aurubis AG

Bell Copper Corporation
Boliden AB

Cambridge-Lee Industries LLC
Campbell Resources Inc. [CBLRF.PK]
Capstone Mining Corp.
Central African Mining & Exploration Company plc
Chino Mines Company
Colonial Metals Co.
Copper King Mining Corporation [CPRK.PK]
Corporación Nacional del Cobre de Chile

Dia Bras Exploration Inc.
Doublestar Resources Ltd.
Dowa Holdings Co., Ltd.

Encore Wire Corporation [WIRE]
Eureka Resources, Inc.

First Quantum Minerals Ltd.
Freeport-McMoRan Copper & Gold Inc. [FCX]

Gladstone Pacific Nickel Limited
Grupo México S.A.B. de C.V. [GMBXF.PK]

Hindalco Industries Ltd.
HudBay Minerals Inc.
Hunter Dickinson Inc.

I. Schumann & Co.
Imperial Metals Corporation
Inca Pacific Resources Inc.
Industrias Nacobre, S.A. de C.V.
Inlet Resources Ltd.
Inmet Mining Corporation [IEMMF.PK]

Jiangxi Copper Company Limited

Kazakhmys PLC
Kennecott Utah Copper Corporation
KGHM Polska Miedz S.A.

Lihua International, Inc. [LIWA]
Lithic Resources Ltd.
Los Andes Copper Limited
Luvata Oy

Mercator Minerals Ltd.
Mitsubishi Materials Corporation
Monterrico Metals Plc
Mueller Copper Tube Company, Inc.

OZ Minerals Limited

Pacific Booker Minerals Inc. [PBM]

Quadra Mining Ltd.

South American Gold and Copper Company Limited
Southern Copper Corporation [PCU]
Sterlite Industries (India) Ltd [SLT]
Sumitomo Metal Mining Co., Ltd.

Tarquin Resources plc
Taseko Mines Limited [TGB]
The Alpine Group, Inc. [APNI.PK]
Toho Zinc Co., Ltd.
Tongling Nonferrous Metals Group Holdings Co., Ltd.

Vedanta Resources plc

Weatherly International plc

Xstrata plc

Zambia Copper Investments Limited