Non-ferrous industry:

• KGHM Polska Miedź S.A. - (Poland)
• Copper Plant "Głogów” - (Poland)
• Copper Plant "Legnica” - (Poland)
• Copper Plant "Cedynia" - (Poland)
• "HUTMEN" S.A. Wrocław - (Poland)
• Zinc Plant "Miasteczko Śląskie" S.A. - (Poland)
• Baterpol - Szopienice - (Poland)
• Institute of Non-Ferrous Metals - Legnica - (Poland)
• Boliden Mineral AB - (Sweden)
• Boliden Harjavalta OY - (Finland) 
• Norddeutsche Affinerie AG - (Germany)
• Thai Copper - (Thailand)
• KM Europa Metali - (Italy)
• Piombifera Bresciana s.p.a. - (Italy)
• Kovohuty a.s. Krompachy - (Slovakia)
• La Farga Lacambra - (Spain)
• General Metal Hellas - (Greece)