Asarco, Inc.
Amarillo, Texas, USA

Balkhashmed
Dzhezkazgan, Kazakhstan

Bangkok Cable Co., Ltd.
Bangkok, Thailand

Caraiba Metais S/A
Dias d’Avila, Bahia, Brazil

Changzhou De Hui Copper Co., Ltd.
Changzhou, Jiangsu Province, China

Changzhou Jinyuan Copper Co., Ltd.
Changzhou, Jiangsu Province, China

Colada Continua Chilena S.A.
Santiago, Chile

Colata Continua Pisana SpA
Pizzighettone, Italy

Conticon S.A. de C.V.
Celaya, Mexico

Cumerio Belgium S.A./N.V.
Olen, Belgium

Cumerio Italia Srl
Avellino, Italy

Cunext Copper Industries, S.L.
Cordoba, Spain

Cuprom S.A.
Zalau, Romania

Dubai Cable Company (Private) Limited
Dubai, United Arab Emirates

ER-BAKIR Elektrolitik Bakir Marmulleri A.S.
Denizli, Turkey

Halcor S.A.
Athens, Greece

Hitachi Cable Ltd.
Ibaraki-Ken, Japan

Huta Miedzi “Cedynia”
Orsk, Poland

Katur-Invest
Ekaterinburg, Russia

Mansfelder Kupfer und Messing GmbH
Hettstedt, Germany

Mexicana de Cobre S.A. de C.V
Nacozari de Garcia, Sonora, Mexico

National Iranian Copper
Sarcheshmeh, Iran

Nexans Canada, Inc.
Montreal Est, Quebec, Canada

Phelps Dodge Copper Products
Norwich, Connecticut, USA
El Paso, Texas, USA

Sarkuysan Elektrolitik Bakir
Istanbul, Turkey

Saudi Cable Co.
Jeddah, Saudi Arabia

Shandong Jinsheng Non-Ferrous Group Co. Ltd.
Linyi City, Shandong, China

Société de Coulée Continue de Cuivre
Chauny Cedex, France

Sumitomo Electric Industries
Osaka, Japan

Thai Copper Rod Co., Ltd.
Samutprakarn, Thailand

Tianjin Pipe Corporation Ltd.
Tianjin, China

Xiangtan Cable Works
Xiangtan, Hunan Province, China