| # | Entity | Status | State |
|---|---|---|---|
| 1 | 13 871 863 088 HALLAM DRAINAGE PTY. LTD. & P.E WALKER |
ABN Cancelled | NSW 2481 |
| 2 | 30 192 276 895 WALKER BROS DRAINAGE |
ABN Cancelled | NSW 2515 |
| 3 | 48 665 535 704 WALKER CIVIL AND DRAINAGE PTY LTD |
ABN Active | QLD 4205 |
| 4 | 80 283 609 810 THE TRUSTEE FOR THE WALKER FAMILY TRUST WALKERS EXCAVATION & DRAINAGE |
ABN Active | VIC 3030 |
| 5 | 69 190 630 735 The trustee for The Walker Family Trust WALKERS PLUMBING & DRAINAGE |
ABN Active | NSW 2756 |
| 6 | 80 283 609 810 THE TRUSTEE FOR THE WALKER FAMILY TRUST WALKERS EXCAVATION & DRAINAGE |
ABN Active | VIC 3030 |