| Relationships | Role | Relationship Start | Relationship End |
| Bangkok E'service Ltd. | Parent | 6/1/1999 | 8/31/2001 |
| Bangkok E'service Ltd. | Parent | 3/5/1996 | 1/30/1998 |
| Bangkok E'service Ltd. | Parent | 8/1/1992 | 12/30/1994 |
| Manufacturers Hanover Holding (Delaware) Inc. | Parent | 12/31/1980 | 12/30/1981 |