| # | Entity | Status | State |
|---|---|---|---|
| 1 | 29 096 250 592 TERRA FIRMA GEOTECHNICAL SERVICES PTY. LTD. |
ABN Cancelled | TAS 7248 |
| 2 | 33 145 369 820 Terra Geotechnical Pty Ltd |
ABN Cancelled | WA 6059 |
| 3 | 78 652 626 410 TERRA GEOTECHNICS PTY LTD |
ABN Cancelled | SA 5087 |
| 4 | 46 263 587 440 HAMIDREZA KHATAMI TERRA GEOTECHNICS |
ABN Cancelled | SA 5095 |
| 5 | 55 933 741 602 S FEENEY & A.J FERGUSON Terra Tech Geotechnical |
ABN Active | QLD 4173 |