| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| JINHUA ZINC TECHNOLOGY (THAILAND) CO., LTD. | Small or Medium-sized Enterprise | Chemicals | Thailand | 24-May-2023 |
| Indorama Ventures PCL | Company | Chemicals | Thailand | 27-Feb-2020 |
| Global Green Chemicals | Small or Medium-sized Enterprise | Chemicals | Thailand | 23-Jul-2017 |
| IRPC Public Company Limited | Company | Chemicals | Thailand | 21-Nov-2011 |
| PTT Global Chemical Public Company Limited | Company | Chemicals | Thailand | 15-Oct-2010 |