| # | Entity | Status | State |
|---|---|---|---|
| 1 | 33 123 901 931 HD Marine Pty Ltd |
ABN Cancelled | WA 6530 |
| 2 | 57 668 536 427 HD MINING AND MARINE PTY LTD |
ABN Active | WA 6065 |
| 3 | 41 730 123 382 JOHN L RATCLIFFE HD and Marine Engineering |
ABN Cancelled | SA 5290 |
| 4 | 47 581 768 615 RICKI CROFTON HD MINING AND MARINE |
ABN Active | WA 6058 |