| # | Entity | Status | State |
|---|---|---|---|
| 1 | 26 051 665 359 POST FORM WALLING SYSTEMS PTY. LTD. |
ABN Active | SA 5159 |
| 2 | 31 153 361 249 AUSTRALIAN POST TENSIONING SYSTEMS (NSW) PTY LTD |
ABN Active | NSW 2620 |
| 3 | 47 099 677 880 AUSTRALASIAN POST TENSIONING SYSTEMS PTY LTD |
ABN Active | NSW 2621 |
| 4 | 48 003 376 476 POST RELATIONAL INFORMATION SYSTEMS MANAGEMENT PTY LTD |
ABN Cancelled | NSW 2031 |
| 5 | 55 110 921 321 AUSTRALIAN POST TENSIONING SYSTEMS ( ACT ) PTY LTD |
ABN Active | NSW 2621 |
| 6 | 64 638 543 389 POST-INDUSTRIAL SYSTEMS PTY LTD |
ABN Active | NSW 2153 |
| 7 | 55 110 921 321 AUSTRALIAN POST TENSIONING SYSTEMS ( ACT ) PTY LTD AUSTRALIAN POST TENSIONING SYSTEMS S.A. |
ABN Active | NSW 2621 |