| # | Entity | Status | State |
|---|---|---|---|
| 1 | 22 063 309 400 FRONTLINE ENGINEERING SERVICES PTY LTD |
ABN Active | QLD 4173 |
| 2 | 44 099 361 001 FRONTLINE ENGINEERING AUSTRALIA PTY LTD |
ABN Active | VIC 3074 |
| 3 | 85 102 705 242 FRONTLINE ENGINEERING VICTORIA PTY. LTD. |
ABN Active | VIC 3840 |
| 4 | 15 812 853 247 CON & IOANNA ANTONOPOULOS FRONTLINE ENGINEERING |
ABN Cancelled | VIC 3074 |
| 5 | 18 159 955 450 FRONTLINE COMMUNICATION SERVICES PTY. LTD. Frontline Engineering Services Australia |
ABN Active | VIC 3030 |
| 6 | 52 914 729 775 CONSTANCE H WEBLEY & LARRY H SIRMANS FRONTLINE ENGINEERING AUSTRALIA |
ABN Cancelled | NSW 2760 |
| 7 | 59 130 654 634 FRONTLINE EQUIPMENT MAINTENANCE PTY LTD Frontline Engineering |
ABN Active | QLD 4740 |
| 8 | 63 167 692 016 CON ANTONOPOULOS FRONTLINE ENGINEERING |
ABN Cancelled | VIC 3074 |