| # | Entity | Status | State |
|---|---|---|---|
| 1 | 25 112 109 083 PSi Instrumentation Services Pty Ltd |
ABN Active | QLD 4500 |
| 2 | 53 092 990 077 PSI PROJECT SERVICES PTY LTD |
ABN Cancelled | VIC 3000 |
| 3 | 60 606 191 011 PSY SERVICE PTY. LTD. |
ABN Active | NSW 2193 |
| 4 | 64 162 435 449 PSI QUARRY SERVICES PTY LTD |
ABN Cancelled | QLD 4217 |
| 5 | 79 092 623 679 PSI PACIFIC MANAGED SERVICES PTY LTD |
ABN Active | NSW 2000 |
| 6 | 25 112 109 083 PSi Instrumentation Services Pty Ltd |
ABN Active | QLD 4500 |