| # | Entity | Status | State |
|---|---|---|---|
| 1 | 19 637 253 171 BLACK OPAL MINING COMPANY PTY LTD |
ABN Active | NSW 2479 |
| 2 | 29 062 289 338 J. J. & N. BLACK OPAL MINING PTY. LTD. |
ABN Cancelled | NSW 2834 |
| 3 | 55 601 032 508 BLACK OPAL MINING PTY LIMITED |
ABN Active | NSW 2204 |
| 4 | 89 114 210 052 Gem Black Opal & Mining Pty. Ltd. |
ABN Cancelled | NSW 2834 |
| 5 | 19 637 253 171 BLACK OPAL MINING COMPANY PTY LTD BLACK OPAL MINING COMPANY |
ABN Active | NSW 2479 |
| 6 | 91 023 661 769 SOROKOPUT ROGER & JOHN MINER'S HERITAGE BLACK OPAL MINES |
ABN Active | NSW 2834 |