| # | Entity | Status | State |
|---|---|---|---|
| 1 | 46 602 081 498 PROTECH FABRIC ENGINEERING PTY. LTD. |
ABN Active | NSW 2018 |
| 2 | 83 108 803 372 Protech Engineering Pty Limited |
ABN Cancelled | NSW 2153 |
| 3 | 44 537 601 041 The Trustee for the Gschwendtner Family Trust Protech Engineering |
ABN Active | WA 6171 |
| 4 | 50 068 468 502 PROTECH BUILDING SERVICES PTY LTD PROTECH CONSULTING ENGINEERS |
ABN Cancelled | QLD 4211 |
| 5 | 77 535 943 496 ZEHUA CHEN PROTECH ENGINEERING SERVICES |
ABN Active | NSW 2153 |
| 6 | 25 575 632 734 CHANDRAKANT PANCHAL PROTECH ENGINEERING AUSTRALIA |
ABN Active | NSW 2567 |