LANXESS AG
China Petroleum & Chemical Corporation (Sinopec Corporation)
Kuraray
Shell
China National Petroleum Corporation (CNPC)
Preferred Compounding Corporation
Kent Elastomer Products Inc. Vanderbilt Chemical
KUMHO PETROCHEMICAL
TSRC Corporation
Asahi Kasei Corporation
ExxonMobil
DuPont
ZEON Corporation
Dynasol Elastomers
Kraton Performance Polymers
and Sumitomo Chemical Co. Ltd.