| Relationships | Role | Relationship Start | Relationship End |
| Citicorp Banking Corporation | Parent | 4/7/1994 | 4/7/1994 |
| Select Southern Star Holdings, Inc. | Parent | 12/13/1990 | 4/7/1994 |
| A.S. Holding Corporation | Parent | 12/13/1990 | 4/7/1994 |
| Equity Investment (Chile) Limited | Parent | 12/13/1990 | 4/7/1994 |