| # | Entity | Status | State |
|---|---|---|---|
| 1 | 40 610 921 321 ASTO ADMINISTRATION PTY. LTD. |
ABN Cancelled | QLD 4227 |
| 2 | 48 143 030 942 ASTO Geophysical Consulting Pty Ltd |
ABN Active | WA 6155 |
| 3 | 50 641 575 902 ASTO CONSULTING PTY LTD |
ABN Cancelled | VIC 3057 |
| 4 | 89 008 792 710 ASTO PTY LTD |
ABN Cancelled | WA 6000 |
| 5 | 48 143 030 942 ASTO Geophysical Consulting Pty Ltd |
ABN Active | WA 6155 |