| BST Specialty Co., Ltd |
| MK Restaurant Group Public Company Limited |
| Mahidol Vivax Research Unit |
| Thai Environmental Technic Limited |
| Star Petroleum Refining Public Company Limited |
| Bangchak Corporation Public Company Limited |
|
| BST Specialty Co., Ltd |
|
| MK Restaurant Group Public Company Limited |
|
| Mahidol Vivax Research Unit |
|
| Thai Environmental Technic Limited |
|
| Star Petroleum Refining Public Company Limited |
|
| Bangchak Corporation Public Company Limited |