| Relationships | Role | Relationship Start | Relationship End |
| Bt (Pacific) Limited Y Compania Limitada | Parent | 12/2/1987 | 9/29/1993 |
| Compania De Seguros De Vida Consorcio Nacional De Seguros S.A. | Parent | 12/2/1987 | 12/1/1988 |
| Compania De Seguros De Vida Consorcio Nacional De Seguros S.A. | Parent | 11/1/1987 | 12/1/1987 |
| Sociedad Pesquera Coloso S.A. | Subsidary | 11/1/1987 | 4/30/1992 |
| Minera Valparaiso S.A. | Subsidary | 11/1/1987 | 5/31/1991 |
| Sociedad De Inversiones Industriales Y Pesqueras S.A. (S.I.P.S.A.) | Subsidary | 11/1/1987 | 5/30/1989 |