| Relationships | Role | Relationship Start | Relationship End |
| J.P. Morgan International Inc. | Parent | 11/1/1993 | 8/31/2001 |
| Chemco International Inc. | Parent | 12/1/1990 | 10/31/1993 |
| Compania De Inversiones En Telecomunicaciones S.A. | Subsidary | 11/1/1990 | 5/30/1994 |
| Relationships | Role | Relationship Start | Relationship End |
| J.P. Morgan International Inc. | Parent | 11/1/1993 | 8/31/2001 |
| Chemco International Inc. | Parent | 12/1/1990 | 10/31/1993 |
| Compania De Inversiones En Telecomunicaciones S.A. | Subsidary | 11/1/1990 | 5/30/1994 |