| Relationships | Role | Relationship Start | Relationship End |
| Inversiones Destco Chile Limitada | Parent | 8/28/1990 | 6/29/1993 |
| Salomon Smith Barney (Chile) S.A. | Parent | 5/1/1992 | 12/31/1992 |
| Inversiones Telefonica Y Otras Limitada | Parent | 9/30/1988 | 6/29/1992 |
| Equifin | Parent | 5/1/1989 | 5/31/1992 |
| Boston Inversiones Servicios Y Administracion S.A. | Parent | 9/30/1988 | 7/31/1989 |