| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Limited | Parent | 12/31/1980 | 9/29/1999 |
| Fisons Pty. Limited | Subsidary | 3/31/1983 | 9/29/1999 |
| W & J Financial Services Pty. Limited | Subsidary | 3/31/1983 | 12/30/1987 |
| Inco Australiasia Limited | Subsidary | 3/31/1983 | 12/30/1987 |
| Share Australia Management Company, Ltd. | Subsidary | 12/31/1980 | 12/30/1985 |
| Woodside Petroleum Limited | Subsidary | 12/31/1980 | 12/30/1981 |
| Broken Hill Pty Company Ltd. | Subsidary | 12/31/1980 | 6/29/1981 |