Covestro AG (Germany)
NITTO DENKO Corporation (Japan)
Recticel (Belgium)
BASF SE (Germany)
DowDuPont Inc. (U.S.)
Trelleborg AG (Sweden)
Huntsman International LLC (U.S.)
Tosoh Corporation (Japan)
Sekisui Chemical Co. Ltd. (Japan)
Wanhua Chemical Group Co. Ltd (China)
LANXESS (Germany)