| # | Entity | Status | State |
|---|---|---|---|
| 1 | 12 635 932 099 GC CIVIL & EARTHMOVING PTY LTD |
ABN Active | VIC 3135 |
| 2 | 17 621 866 466 GC CIVIL CONTRACTING PTY LTD |
ABN Active | NSW 2526 |
| 3 | 53 635 615 557 GC CIVIL CONSULTANTS PTY LTD |
ABN Active | QLD 4220 |
| 4 | 77 621 867 972 GC CIVIL HOLDINGS PTY LTD |
ABN Active | NSW 2526 |
| 5 | 21 070 116 278 The Trustee for G C GROUP TRUST GC CIVIL PTY |
ABN Active | NSW 2526 |
| 6 | 23 163 273 130 GC GROUP COMPANY PTY LTD GC Civil |
ABN Active | NSW 2526 |
| 7 | 99 604 734 654 SAMUEL DAVID ANDREW OLSEN GC CIVIL ENGINEERS |
ABN Active | QLD 4217 |