| # | Entity | Status | State |
|---|---|---|---|
| 1 | 47 059 053 842 M.R.T. ENGINEERING PTY. LTD. |
ABN Cancelled | NSW 2570 |
| 2 | 54 094 503 518 M R T CIVIL ENGINEERING PTY LTD |
ABN Cancelled | NSW 2282 |
| 3 | 66 002 007 187 T R M ENGINEERING PTY LTD |
ABN Active | NSW 2228 |
| 4 | 70 076 063 940 G.R. & L.M. SCHULZ PTY. LTD. G.R. AND L.M. SCHULZ PTY LTD (IN LIQUIDATION) T/A CALOUNDRA ENGINEERING |
ABN Cancelled | QLD 4557 |