| # | Entity | Status | State |
|---|---|---|---|
| 1 | 86 981 589 396 The Trustee for The Trench & Stepdan Unit Trust |
ABN Active | NSW 2142 |
| 2 | 18 778 213 352 The Trustee for Trench Unit Trust |
ABN Active | NSW 2340 |
| 3 | 32 912 945 466 The Trustee for ELECTRICAL TRENCHING SERVICES UNIT TRUST |
ABN Active | WA 6077 |
| 4 | 36 528 321 547 The Trustee for Aus Trench Unit Trust |
ABN Active | QLD 4361 |
| 5 | 67 963 125 205 The Trustee for LAYED BACK TRENCHING UNIT TRUST |
ABN Cancelled | QLD 4169 |
| 6 | 91 518 129 143 The trustee for Trench Tek Unit Trust |
ABN Active | WA 6060 |