| # | Entity | Status | State |
|---|---|---|---|
| 1 | 21 162 076 815 PROFICIENCY PROFESSIONAL ENGINEERING SERVICES (PPES) PTY LTD |
ABN Cancelled | WA 6020 |
| 2 | 39 158 175 510 PROFICIENT ENGINEERING AND MAINTENANCE SERVICES PTY. LTD. |
ABN Cancelled | WA 6155 |
| 3 | 62 080 428 173 UTTERLEY PROFICIENT ENGINEERING PTY LTD |
ABN Cancelled | NSW 2747 |
| 4 | 83 615 834 234 PROFICIENT ENGINEERING & CONVEYORS BELTS PTY LTD |
ABN Cancelled | WA 6155 |
| 5 | 85 095 045 542 ENGINEERING PROFICIENCY PTY LTD |
ABN Cancelled | VIC 3170 |
| 6 | 39 158 175 510 PROFICIENT ENGINEERING AND MAINTENANCE SERVICES PTY. LTD. Proficient Engineering and Maintenance Services Pty Ltd |
ABN Cancelled | WA 6155 |