| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Bangchak Sriracha Public Company Limited | Company | Oil, gas, & coal | Thailand | 19-Aug-2024 |
| Bangkok Aviation Fuel Services Public Company Limited | Company | Oil, gas, & coal | Thailand | 31-Jul-2023 |
| Banpu Public Company Limited | Company | Oil, gas, & coal | Thailand | 12-Mar-2020 |
| Thai Oil Public Company Limited | Company | Oil, gas, & coal | Thailand | 04-Sep-2012 |
| PTT Public Company Limited | Company | Oil, gas, & coal | Thailand | 01-Mar-2012 |
| Bangchak Corporation Public Company Limited | Company | Oil, gas, & coal | Thailand | 01-Sep-2011 |
| PTT Exploration and Production Public Co., Ltd. | Company | Oil, gas, & coal | Thailand | 16-Jun-2011 |