Australia
Austria
Belgium
Bulgaria
China P.R.
Finland
France
Germany
Greece
India
Italy
Japan
Korea
Malaysia
Netherlands
South Africa
Spain
Sweden
Switzerland
Taiwan
Thailand
Turkey
United Kingdom
United States of America
Japan Wrought Copper Council
Asaka Shinkan Kogyo K.K.
Dowa Mining Co., Ltd. Metal Processing Division
Fujii Manufacturing Co., Ltd.
Fujikura Ltd.
Fujisawa Co., Ltd.
Furukawa Electric Co., Ltd.
Gonda Metal Industry Co., Ltd
Harada Metal Industry Co., Ltd.
Kaimei Shindo Co., Ltd.
Kicho Shindosho Co., Ltd.
Kitz Corporation
Kiyomine Metal Industries Co., Ltd.
Kobe Steel Ltd.
Kyoto Brass Co., Ltd.
Marue Shindo Co., Ltd.
Matsubayashi Metals Co., Ltd.
Mitani Shindo Co., Ltd.
Mitsubishi Electric Metecs Corporation
Mitsubishi Materials Corporation
Mitsubishi Shindoh Co., Ltd.
Mitsui Mining & Smelting Co., Ltd. Metals & Metallurgy Sector
Naniwa Metals Co., Ltd.
NGK Insulators, Ltd.
Nippon Mining & Metals Co., Ltd.
Nippon Shindo Co., Ltd.
Nippon Tokushukan Mfg Co., Ltd.
Nitto Metal Industry Co., Ltd.
Sakai Copper Alloy Co., Ltd.
Sakai Shindosho Co., Ltd.
Sambo Copper Alloy Co., Ltd.
San-Etsu Metal Co., Ltd.
Shinko Metal Products Co., Ltd.
Showa Electric Wire and Cable Co., Ltd.
Sugino Metal Industry Co., Ltd.
Sumitomo Electric Industries Ltd.
Sumitomo Electric Industries Ltd.
Sumitomo Light Metal Industries Ltd.
Sumitomo Metal Mining Brass & Copper Co., Ltd.
Tatsuta Electric Wire & Cable Co., Ltd.
Uji Copper & Alloy Co., Ltd.
Yamaha Metanix Corporation
Yamakin Metal Industrial Co., Ltd.
Yamato Tube Mfg. Co., Ltd.
Yazaki Electric Wire Co., Ltd.
YKK Corporation