SKC Kolon Pi Inc.
Arakawa Chemical Industries
Ltd.
Aavid Kunze GmbH
Dunmore Corporation
Kolon Industries Inc.
Taiflex Scientific Co. Ltd.
Taimide Tech. Inc.
Saint-Gobain
3M Company
Toray Industries Inc.
Nitto Denko Corporation
UBE Industries Ltd.
Mitsubishi Gas Chemical Company Inc.
Kaneka Corporation
E. I. Dupont De Nemours & Company