| # | Entity | Status | State |
|---|---|---|---|
| 1 | 21 685 952 664 MARTIN DAVID WHITTAKER WHITTAKERS ENGINEERING |
ABN Cancelled | WA 6401 |
| 2 | 26 065 988 217 MARK CRAIG WHITTAKER MARK WHITTAKER - ENGINEERING CONSULTANT |
ABN Active | SA 5049 |
| 3 | 69 357 305 887 MATTHEW WHITTAKER WHITTAKER AG AND ENGINEERING |
ABN Active | NSW 2824 |
| 4 | 21 685 952 664 MARTIN DAVID WHITTAKER WHITTAKERS ENGINEERING |
ABN Cancelled | WA 6401 |