| # | Entity | Status | State |
|---|---|---|---|
| 1 | 43 763 847 860 J&KA Ward Family Trust & Lethbridge Investment Trust & Platt Investment Trust & Quest Business Development WA Pty Ltd & Quest Investment Trust & Waters QKH Trust |
ABN Cancelled | WA 6430 |
| 2 | 12 648 279 761 WA HEART QUEST PTY LTD |
ABN Active | WA 6147 |
| 3 | 45 085 536 858 QUEST WA PTY. LTD. |
ABN Cancelled | VIC 3205 |
| 4 | 50 624 886 737 QUEST MARITIME SERVICES WA PTY LTD |
ABN Active | WA 6726 |
| 5 | 53 457 420 984 The Trustee for SEA QUEST WA FAMILY TRUST |
ABN Cancelled | WA 6058 |
| 6 | 82 601 730 045 QUEST ACCOUNTANTS (WA) PTY LTD |
ABN Active | WA 6102 |
| 7 | 90 213 150 249 TINA DENISE RICE THE QUEST COLLECTIVE WA |
ABN Active | WA 6280 |