| # | Entity | Status | State |
|---|---|---|---|
| 1 | 13 009 254 068 DRILL HOLDINGS PTY LTD |
ABN Active | WA 6148 |
| 2 | 32 134 013 577 Tarn Drilling (Australia) Holdings Pty Ltd |
ABN Cancelled | WA 6152 |
| 3 | 34 621 132 143 OPHIR DRILLING HOLDINGS PTY LTD |
ABN Active | NSW 2800 |
| 4 | 38 125 739 988 EASTERNWELL DRILLING HOLDINGS PTY LTD |
ABN Active | QLD 4350 |
| 5 | 51 165 226 219 ROC-DRILL HOLDINGS PTY LTD |
ABN Active | QLD 4076 |
| 6 | 67 665 750 434 CHIEF DRILLING HOLDINGS PTY LTD |
ABN Active | NSW 2800 |
| 7 | 76 644 462 475 IMPACT DRILLING HOLDINGS PTY LTD |
ABN Active | WA 6105 |
| 8 | 90 120 660 540 Golden West Drilling Holdings Pty Ltd |
ABN Active | QLD 4573 |
| 9 | 95 010 138 977 PHOENIX DRILLING HOLDINGS PTY LTD |
ABN Active | QLD 4073 |
| 10 | 99 127 754 652 EASTERNWELL DRILLING SERVICES HOLDINGS PTY LTD |
ABN Active | QLD 4350 |
| 11 | 71 605 432 441 The Trustee for SAN MIGUEL SUPERANNUATION FUND DRILL HOLDINGS PTY LTD AS TRUSTEE FOR THE SAN MIGUEL SUPER FUND |
ABN Active | WA 6021 |