| # | Entity | Status | State |
|---|---|---|---|
| 1 | 16 668 727 419 ROC GROUP HOLDINGS PTY LTD |
ABN Active | NSW 2280 |
| 2 | 22 651 097 326 GOLDEN ROC INVESTMENT HOLDINGS PTY LTD |
ABN Active | WA 6107 |
| 3 | 51 165 226 219 ROC-DRILL HOLDINGS PTY LTD |
ABN Active | QLD 4076 |
| 4 | 55 105 224 655 ROC INVESTMENT HOLDINGS PTY LTD |
ABN Active | NSW 2015 |
| 5 | 58 130 138 206 Freemans PTO & ROC Holdings Pty Ltd |
ABN Cancelled | QLD 4350 |
| 6 | 60 651 973 107 ROC HOLDINGS PTY LTD |
ABN Active | VIC 3350 |
| 7 | 72 664 986 707 ROC TECHNOLOGIES HOLDINGS PTY LTD |
ABN Active | WA 6010 |
| 8 | 73 147 042 617 ROC HOLDINGS (AUSTRALIA) PTY LTD |
ABN Active | ACT 2609 |
| 9 | 90 089 999 815 ROC OIL AUSTRALIA HOLDINGS PTY LTD |
ABN Active | NSW 2000 |
| 10 | 96 089 999 842 ROC OIL INTERNATIONAL HOLDINGS PTY LTD |
ABN Active | NSW 2000 |