AGC INC.
ARKEMA
BASF
CELANESE CORP.
CHT GERMANY GMBH
COVESTRO AG
DAIKIN INDUSTRIES LTD.
EVONIK INDUSTRIES AG
LANXESS
LG CHEM
LYONDELLBASELL INDUSTRIES HOLDINGS B.V.
SABIC
SOLVAY
SUMITOMO CHEMICAL CO. LTD.
WACKER CHEMIE AG