| # | Entity | Status | State |
|---|---|---|---|
| 1 | 54 605 125 013 HSA INTERNATIONAL GROUP PTY. LTD. |
ABN Cancelled | NSW 2769 |
| 2 | 56 677 582 071 HSA AUSTRALIA GROUP PTY LTD |
ABN Active | SA 5043 |
| 3 | 89 665 109 428 HSA SERVICES GROUP PTY LTD |
ABN Active | NSW 2190 |
| 4 | 92 607 957 915 HSA SECURITY GROUP PTY LTD |
ABN Cancelled | SA 5173 |
| 5 | 56 677 582 071 HSA AUSTRALIA GROUP PTY LTD HSA AUSTRALIA GROUP |
ABN Active | SA 5043 |
| 6 | 63 598 683 971 AECOM AUSTRALIA PTY LTD & JOHN HOLLAND QUEENSLAND PTY LTD & SEYMOUR WHYTE CONSTRUCTIONS PTY LTD HSA Group |
ABN Active | VIC 3000 |
| 7 | 48 105 493 187 SEYMOUR WHYTE CONSTRUCTIONS PTY LTD HSA Group |
ABN Active | QLD 4113 |
| 8 | 20 093 846 925 AECOM AUSTRALIA PTY LTD HSA Group |
ABN Active | QLD 4006 |