| # | Entity | Status | State |
|---|---|---|---|
| 1 | 13 163 166 229 CENTRAL COAST DRILLING SERVICES PTY LTD |
ABN Cancelled | NSW 2261 |
| 2 | 15 161 382 181 CENTRAL DRILLING PTY LTD |
ABN Active | NT 0872 |
| 3 | 23 665 541 640 CENTRAL DRILLING SERVICES PTY LTD |
ABN Active | WA 6163 |
| 4 | 36 680 198 707 CENTRAL DEEP HOLE DRILLING SERVICES PTY LTD |
ABN Active | NSW 2113 |
| 5 | 62 009 795 886 CENTRAL DRILLING & BLASTING CO. PTY. LTD. |
ABN Active | QLD 4723 |
| 6 | 64 152 658 387 Central Highlands Drilling Pty Ltd |
ABN Cancelled | QLD 4701 |
| 7 | 72 617 632 390 NEWCASTLE & CENTRAL COAST DRILLING & PILING PTY LTD |
ABN Active | NSW 2251 |
| 8 | 82 060 651 729 CENTRAL WEST DRILLING & BLASTING PTY. LTD. |
ABN Cancelled | NSW 2795 |
| 9 | 82 659 174 106 CENTRAL COAST DRILLING PTY LTD |
ABN Active | NSW 2250 |
| 10 | 86 132 531 509 WESTERN CENTRAL DRILLING PTY LTD |
ABN Active | WA 6084 |
| 11 | 91 163 245 565 DRILL CENTRAL PTY LTD |
ABN Active | QLD 4156 |
| 12 | 86 132 531 509 WESTERN CENTRAL DRILLING PTY LTD |
ABN Active | WA 6084 |