| Relationships | Role | Relationship Start | Relationship End |
| J.P. Morgan International Inc. | Parent | 1/1/1991 | 2/13/2003 |
| Empresa Nacional De Telecommunicaciones S.A. | Subsidary | 3/8/1995 | 5/30/1995 |
| Telarg Ltda. | Subsidary | 3/8/1995 | 3/27/1995 |
| Inversiones Hispano-Chilenas Holding B.V. | Subsidary | 11/1/1994 | 3/7/1995 |
| Compania De Inversiones En Telecomunicaciones S.A. | Subsidary | 5/31/1994 | 11/29/1994 |
| Compania De Inversiones En Telecomunicaciones S.A. | Subsidary | 6/1/1991 | 5/30/1994 |