AkzoNobel
Albemarle JSC Aviabor
American Elements
JSC Halogen
Sumitomo Electric Hardmetal Corp
NGK Spark
Stella Chemifa
Mizushima Ferroalloy
Nippon Denko
Denki KK Kabushiki Kaisha
Morita Chemical
Japan New Metals
Borax Morarji
Starck
3M
Chemetall
Durferrit
BASF
Borax
Russian Bor Chemical
Eti Maden
Rio Tinto
Maxore Mining