| # | Entity | Status | State |
|---|---|---|---|
| 1 | 34 006 930 267 P. S. B. ENGINEERING PTY. LTD. |
ABN Cancelled | VIC 3082 |
| 2 | 38 050 056 230 B S & P ENGINEERING PTY. LIMITED |
ABN Cancelled | NSW 2168 |
| 3 | 52 598 723 077 AIRHEAT PTY LTD & S.D CARTON & P.B HARSANT & HUNT MARINE ENGINEERING PTY. LTD. |
ABN Cancelled | WA 6160 |
| 4 | 84 079 299 602 B.P.S. ENGINEERING DESIGN PTY LTD |
ABN Cancelled | QLD 4218 |
| 5 | 96 387 260 641 G P B ENGINEERING S/FUND |
ABN Active | VIC 3185 |