Ordinary Members
Indonesia
- PT. Asahimas Chemical
- PT. Standard Toyo Polymer
- PT. Sulfindo Adiusaha
- PT. TPC Indo Plastic and Chemicals
Philippines
Vietnam
- AGC Chemicals Vietnam Co., Ltd.
- TPC Vina Plastic and Chemical Co., Ltd.
Thailand
Associate members
- ADEKA Fine Chemical (Thailand) Co., Ltd.
- Baerlocher
- Sun Ace (Kakoh)
- Siam Stabilizer and Chemicals Co., Ltd.