| Relationships | Role | Relationship Start | Relationship End |
| Bankamerica International Investment Corporation | Parent | 1/31/1988 | 11/22/1995 |
| Compania Chilena De Generacion Electrica S.A. (Chilgener) | Subsidary | 1/31/1988 | 7/31/1991 |
| Tanner Y Compania S.A., Corredores De Bolsa | Subsidary | 3/31/1988 | 1/14/1991 |