| Relationships | Role | Relationship Start | Relationship End |
| Tisco Finance Public Company Limited | Parent | 7/31/1996 | 10/30/1996 |
| Thai Investment & Securities Public Company Limited | Parent | 12/1/1987 | 7/30/1996 |
| Relationships | Role | Relationship Start | Relationship End |
| Tisco Finance Public Company Limited | Parent | 7/31/1996 | 10/30/1996 |
| Thai Investment & Securities Public Company Limited | Parent | 12/1/1987 | 7/30/1996 |