Nedmag B.V. (the Netherlands)
DEUSA International GmbH (Germany)
NikoMag (Russia)
Skyline Chemical Corporation (US)
Compass Minerals (US)
K+S KALI GmbH (Germany)
Merck KGaA (Germany)
ICL (Israel)
HuiTai Investment Co. Ltd (China) and Intrepid (US)