| # | Entity | Status | State |
|---|---|---|---|
| 1 | 26 645 245 030 SPECTRAL PETROPHYSICS PTY LTD |
ABN Active | QLD 4218 |
| 2 | 38 609 516 421 PENTAGRAM PETROPHYSICS PTY LTD |
ABN Active | QLD 4165 |
| 3 | 45 110 331 649 WALKER PETROPHYSICS PTY LTD |
ABN Active | WA 6163 |
| 4 | 46 612 611 882 GO PETROPHYSICS PTY LTD |
ABN Active | NSW 2093 |
| 5 | 51 646 181 188 TBC PETROPHYSICS PTY LTD |
ABN Active | NSW 2066 |
| 6 | 53 626 010 491 CAT PETROPHYSICS PTY LTD |
ABN Cancelled | QLD 4161 |
| 7 | 57 161 486 924 GLOBAL PETROPHYSICS PTY LTD |
ABN Cancelled | QLD 4053 |
| 8 | 71 613 484 807 TERRA PETROPHYSICS PTY LTD |
ABN Active | WA 6162 |
| 9 | 86 623 365 622 THEOLOG PETROPHYSICS PTY LTD |
ABN Active | WA 6020 |
| 10 | 98 611 218 958 EFFECTIVE PETROPHYSICS PTY LTD |
ABN Active | WA 6157 |
| 11 | 99 084 857 063 PETROPHYSICS PTY LTD |
ABN Active | WA 6020 |
| 12 | 45 110 331 649 WALKER PETROPHYSICS PTY LTD |
ABN Active | WA 6163 |