United StatesAmerican Chemet Corp
ChinaEsseco USA LLC
IndiaK J Associates Pvt Ltd - Chemical engineering con...
CanadaBaymag Inc.United StatesO.BERK Company
GreeceIonian Kalk S.A.
IsraelNuminor Chemical Industries Ltd,
South KoreaCOSMO CORPORATION CO., LTD.
BelgiumUmicore Electro-Optic Materials
United KingdomMicrofine Minerals LtdIndiaSelective Minerals and Color Industries Private L...
GermanySachtleben Chemie GmbHUnited StatesMineral Research & Development CorpUnited StatesZaclon Inc.CanadaNoranda Inc.CanadaMacco Organiques Inc.United StatesQuad Chemical CorporationUnited StatesHolland Co., Inc.United StatesAtotech USA, Inc.
FranceCITISSouth KoreaSukgyung A.T Co., Ltd.
JapanInui CorporationIndiaAlcatraz ChemicalsUnited StatesRowell ChemicalUnited KingdomMCP MetalspecialtiesJapanShowwa PK Co.,Ltd.
AustraliaPenrice Soda ProductsIndiaCalibre Chemicals Pvt. Limited .BelgiumSibeco Group
ItalyCaffaro SpA