| # | Entity | Status | State |
|---|---|---|---|
| 1 | 14 671 068 661 BYRNE CIVIL CONTRACTORS PTY LTD |
ABN Active | NSW 2155 |
| 2 | 19 606 539 655 D BYRNE CIVIL PTY LTD |
ABN Active | NSW 2033 |
| 3 | 37 654 348 366 BYRNES CIVIL CONTRACTING PTY LTD |
ABN Active | QLD 4872 |
| 4 | 55 680 420 204 BYRNE CIVIL GROUP HOLDINGS PTY LTD |
ABN Active | NSW 2261 |
| 5 | 57 072 860 710 BYRNE CIVIL ENGINEERING CONSTRUCTIONS PTY LTD |
ABN Active | NSW 2157 |
| 6 | 58 131 886 283 BYRNE CIVIL PTY LTD |
ABN Active | QLD 4008 |
| 7 | 66 680 432 473 BYRNE CIVILS & MINING PTY LTD |
ABN Active | WA 6021 |
| 8 | 81 169 140 274 BYRNE CIVILS AND HAULAGE PTY LTD |
ABN Cancelled | WA 6005 |
| 9 | 82 164 151 099 BYRNE CIVIL PROJECTS PTY LTD |
ABN Active | QLD 4561 |
| 10 | 86 059 895 251 BYRNE CIVIL ENGINEERING PTY. LTD. |
ABN Cancelled | NSW 2260 |