Mina NV / Grefco Inc. / CR Minerals Corp. / OilDri Production Co. / Celite Corp. / Republic / Lovelock and Sparks NV / Fernley NV / /
Country
Germany / Thailand / Colombia / Kenya / France / Japan / United States / Brazil / Iceland / Canada / Australia / Algeria / Korea / Argentina / Mexico / U.S.S.R / Yugoslavia / Macedonia / South Korea / Spain / South Africa / Chile / Denmark / /