| # | Entity | Status | State |
|---|---|---|---|
| 1 | 17 651 019 911 HAMILTON ENGINEERING PTY LTD |
ABN Active | WA 6166 |
| 2 | 68 603 008 162 NEV HAMILTON ENGINEERING PTY LTD |
ABN Active | VIC 3490 |
| 3 | 99 629 902 834 ROESNER AND HAMILTON CONSULTING ENGINEERS PTY LTD |
ABN Active | QLD 4215 |
| 4 | 29 100 548 856 BEST PRACTICE ENGINEERING PTY LTD BEST PRACTICE ENGINEERING PTY LTD (W HAMILTON & P FIORENTINO AS LIQUIDATORS) |
ABN Cancelled | NSW 2000 |
| 5 | 98 003 911 279 WYEE ENGINEERING CONSTRUCTION PTY. LTD. WILLIAM JAMES HAMILTON & PINO FIORENTINO AS LIQUIDATORS OF WYEE ENGINEERING CONSTRUCTION PTY LTD (IN LIQUIDATION) |
ABN Cancelled | NSW 2000 |