| # | Entity | Status | State |
|---|---|---|---|
| 1 | 60 128 161 400 Willweld Pty Ltd |
ABN Active | WA 6432 |
| 2 | 87 625 642 542 WILLWELD AUSTRALIA PTY LTD |
ABN Active | NSW 2570 |
| 3 | 50 654 331 302 WILLIAM RAYMOND HOOPER WILLWELD |
ABN Cancelled | WA 6430 |
| 4 | 86 962 389 356 W.A JOHNSON & K.B JOHNSON WillWeld Maintenance Services |
ABN Active | NSW 2587 |
| 5 | 91 535 156 509 WILLIAM THOMAS KNAPTON WILLWELD AUSTRALIA |
ABN Active | NSW 2760 |
| 6 | 21 877 949 885 REUBEN WILLIAM KINGSTON WILLWELD 3NG |
ABN Active | NSW 2710 |