| # | Entity | Status | State |
|---|---|---|---|
| 1 | 26 456 136 711 AECOM Australia Pty Ltd & Hydro-Electric Corporation & Leighton Contractors Pty Ltd & STRUCTURAL SYSTEMS (WESTERN) PTY. LTD. |
ABN Cancelled | WA 6005 |
| 2 | 31 357 657 743 NATIONAL EXHIBITIONS TOURING STRUCTURE FOR WESTERN AUST INC |
ABN Active | WA 6160 |
| 3 | 55 114 864 050 WESTERN PACIFIC STRUCTURED PRODUCTS PTY LTD |
ABN Cancelled | WA 6017 |
| 4 | 57 658 741 907 WESTERN CONCRETE STRUCTURES PTY LTD |
ABN Active | WA 6023 |
| 5 | 72 649 465 476 WESTERN STRUCTURAL PTY LTD |
ABN Active | VIC 3012 |
| 6 | 98 735 773 723 AECOM AUSTRALIA PTY LTD & Hydro-Electric Corporation & LEIGHTON CONTRACTORS PTY LIMITED & STRUCTURAL SYSTEMS (WESTERN) PTY. LTD. |
ABN Cancelled | WA 6005 |
| 7 | 57 658 741 907 WESTERN CONCRETE STRUCTURES PTY LTD WESTERN CONCRETE STRUCTURES |
ABN Active | WA 6023 |
| 8 | 73 762 073 128 C.E WESTAWAY & W WESTAWAY Western Structures |
ABN Cancelled | WA 6025 |