| # | Entity | Status | State |
|---|---|---|---|
| 1 | 41 627 586 869 TIDEWATER PTY. LTD. |
ABN Active | SA 5062 |
| 2 | 49 000 567 395 TIDEWATER MARINE AUSTRALIA PTY LTD |
ABN Active | WA 6104 |
| 3 | 53 626 291 615 TIDEWATER OFFSHORE OPERATIONS PTE LTD |
ABN Active | WA 6000 |
| 4 | 57 003 428 788 TIDEWATER OFFSHORE PTY LTD |
ABN Active | WA 6000 |
| 5 | 79 059 646 981 TIDEWATER SHIP MANAGEMENT (AUSTRALIA) PTY LTD |
ABN Active | WA 6160 |
| 6 | 83 000 563 860 PACIFIC TIDEWATER PTY LTD |
ABN Active | WA 6000 |
| 7 | 92 068 958 869 TIDEWATER AUSTRALIA PTY LTD |
ABN Cancelled | WA 6104 |