PTTGC Innovation America Corp.Texas, United States
Government of South Korea
Wuhan Youji Industries Co. Ltd.
San Fu Chemical Co., Ltd.T'ai-pei, Taiwan
Fushimi Pharmaceutical Co., Ltd.Yamaguchi-ken, Japan
FUSHIMIYamaguchi, Japan
Velsicol Chemical Corp.Illinois, United States
Reichhold LLC 2North Carolina, United States