| # | Entity | Status | State |
|---|---|---|---|
| 1 | 84 140 432 613 O.E.S Onsite Engineering Services Pty Ltd |
ABN Cancelled | WA 6233 |
| 2 | 88 064 626 437 PRIORITY ENGINEERING SERVICES E.S.O.P. PTY. LTD. |
ABN Cancelled | SA 5109 |
| 3 | 16 050 334 797 OSCAR SMITH SMITH O.E.S. Engineering Service |
ABN Cancelled | VIC 3019 |
| 4 | 41 053 493 700 The trustee for Oil Engineering Services Trust O.E.S. Oil Engineering Services |
ABN Active | SA 5016 |
| 5 | 46 661 145 473 OES (SA) PTY LTD O.E.S. - OIL ENGINEERING SERVICES |
ABN Active | SA 5013 |