| # | Entity | Status | State |
|---|---|---|---|
| 1 | 35 139 251 451 Citywide Civil Engineering (NSW) Pty Ltd |
ABN Active | NSW 2211 |
| 2 | 44 642 139 688 ANTOUN CIVIL ENGINEERING (NSW) PTY LTD |
ABN Active | NSW 2147 |
| 3 | 48 689 143 683 THE NSW ASSOCIATION OF THE INSTITUTION OF CIVIL ENGINEERS INCORPORATED |
ABN Active | NSW 2000 |
| 4 | 75 629 347 002 NSW CIVIL ENGINEERING PTY LTD |
ABN Cancelled | NSW 2161 |