| # | Entity | Status | State |
|---|---|---|---|
| 1 | 25 893 654 907 THE OPAL AUSTRALIA TRUST OPALS OF AUSTRALIA INTERNATIONAL |
ABN Active | SA 5000 |
| 2 | 58 499 753 913 PETER AGGIO black opals of australia |
ABN Active | NSW 2315 |
| 3 | 68 111 683 222 PHH PTY LIMITED OPAL INSTITUTE OF AUSTRALIA |
ABN Active | NSW 2000 |
| 4 | 51 053 029 512 LYLE FRANCIS MCLEAN OPALS OF AUSTRALIA |
ABN Active | QLD 4868 |