| # | Entity | Status | State |
|---|---|---|---|
| 1 | 49 634 936 397 NORTH WESTERN DRAINAGE AND CIVIL PTY LTD |
ABN Active | WA 6076 |
| 2 | 53 164 357 546 WESTERN DIG DRAINAGE & CONTRACTING PTY LTD |
ABN Cancelled | WA 6081 |
| 3 | 62 009 692 568 WESTERN SUBURBS PLUMBING AND DRAINAGE PTY. LTD. |
ABN Active | NSW 2486 |
| 4 | 70 103 540 290 WESTERN DRAINAGE BROOME PTY LTD |
ABN Active | WA 6210 |
| 5 | 29 680 584 646 CURTIS JAMES WALKER WESTERN PLUMBING, DRAINAGE & GAS |
ABN Active | QLD 4340 |
| 6 | 70 103 540 290 WESTERN DRAINAGE BROOME PTY LTD WESTERN DRAINAGE |
ABN Active | WA 6210 |
| 7 | 92 914 504 273 G.D CROSSWELL & J.S CROSSWELL & B.S SPIERS & H.M SPIERS Western Drainage |
ABN Cancelled | WA 6208 |