| # | Entity | Status | State |
|---|---|---|---|
| 1 | 30 663 202 300 FIRST NATION ENERGY SERVICES PTY LTD |
ABN Active | WA 6028 |
| 2 | 45 162 228 382 NATIONAL ENERGY SERVICES PTY LTD |
ABN Cancelled | VIC 3095 |
| 3 | 47 676 269 015 NATIONAL ENERGY SERVICES PTY LTD |
ABN Active | QLD 4068 |
| 4 | 57 618 471 051 NATIONAL ENERGY SERVICES AUSTRALIA PTY. LTD. |
ABN Active | VIC 3095 |
| 5 | 64 108 108 738 NATIONAL BUILDING ENERGY RATING SERVICES PTY LTD |
ABN Cancelled | WA 6090 |
| 6 | 76 653 890 012 NATIONAL ENERGY SERVICE INFRASTRUCTURE PTY LTD |
ABN Active | NSW 2141 |