| # | Entity | Status | State |
|---|---|---|---|
| 1 | 93 398 571 548 G.J DULEY CONSULTING ENGINEERING PTY LTD & C.A WILKINSON & C.K. WILKINSON |
ABN Active | NSW 2228 |
| 2 | 12 625 226 691 WILKINSON COUTTS ENGINEERING TRAINING (AUSTRALIA) PTY LTD |
ABN Active | NSW 2780 |
| 3 | 25 791 682 376 WILKINSON COUTTS ENGINEERING TRAINING (AUSTRALIA) UNIT TRUST |
ABN Active | NSW 2780 |
| 4 | 83 155 343 105 WILKINSON ENGINEERING PTY LTD |
ABN Active | NT 0829 |
| 5 | 88 090 748 511 R.W. WILKINSON ENGINEERING PTY LIMITED |
ABN Active | NSW 2145 |
| 6 | 41 780 890 127 ROSS WILKINSON ROSS WILKINSON ENGINEERING |
ABN Active | NSW 2145 |
| 7 | 88 090 748 511 R.W. WILKINSON ENGINEERING PTY LIMITED R W WILKINSON ENGINEERING PTY LIMITED |
ABN Active | NSW 2145 |
| 8 | 46 596 258 431 KEVIN WILKINSON Wilkinson Engineering |
ABN Cancelled | WA 6330 |