| # | Entity | Status | State |
|---|---|---|---|
| 1 | 15 158 533 049 FRONTIER CONSTRUCTION PTY. LTD. |
ABN Cancelled | NSW 2141 |
| 2 | 52 103 475 047 FRONTIER MAINTENANCE & CONSTRUCTION PTY LTD |
ABN Cancelled | NSW 2560 |
| 3 | 62 119 896 767 INTERNATIONAL FRONTIER CONSTRUCTION PTY LTD |
ABN Cancelled | NSW 2140 |
| 4 | 62 607 014 406 ARNHEM FRONTIER CIVIL & CONSTRUCTION PTY LTD |
ABN Cancelled | SA 5000 |
| 5 | 67 162 334 143 FRONTIER CONSTRUCTION WA PTY LTD |
ABN Cancelled | WA 6164 |
| 6 | 69 153 442 409 INTERNATIONAL FRONTIER CONSTRUCTION (AUS) PTY LTD |
ABN Cancelled | NSW 2144 |
| 7 | 94 627 403 945 FRONTIER CONSTRUCTION PTY. LTD. |
ABN Active | NSW 2020 |