ACCEPTA
ACCUREL SYSTEMS
ADEKA CORP.
AJINOMOTO CO. INC.
AKZONOBEL N.V.
ALBEMARLE CORP.
AQUATECH INTERNATIONAL LLC
ARKEMA SA
BAKER HUGHES Inc.
BASF CORP.
CHEMTURA CORP.
CLARIANT AG
DORF KETAL CHEMICALS LLC
E. I. DU PONT DE NEMOURS AND CO.
EASTMAN CHEMICAL CO.
ELEMENTIS PLC
EVONIK INDUSTRIES AG
GEO SPECIALTY CHEMICALS Inc.
HALLIBURTON CO.
INNOSPEC Inc.
ISRAEL CHEMICALS LTD.
JEEN INTERNATIONAL CORP.
LUBRIZOL CORP.
MAPEI SPA
RHEIN CHEMIE CORP.
SANYO CHEMICAL INDUSTRIES
SCHLUMBERGER
SIKA AG
UBE INDUSTRIES LTD.
VANTAGE SPECIALTY CHEMICALS Inc.
WEIFANG SANTI CHEMICAL CO. LTD.
ZEON CHEMICALS LP