| Relationships | Role | Relationship Start | Relationship End |
| Thai Investment & Securities Public Company Limited | Parent | 5/31/1982 | 7/30/1996 |
| Tisco Finance Public Company Limited | Parent | 12/1/1990 | 1/31/1996 |
| Relationships | Role | Relationship Start | Relationship End |
| Thai Investment & Securities Public Company Limited | Parent | 5/31/1982 | 7/30/1996 |
| Tisco Finance Public Company Limited | Parent | 12/1/1990 | 1/31/1996 |