| # | Entity | Status | State |
|---|---|---|---|
| 1 | 42 465 984 719 RUTH MARIE REDDEN RR Conservation Design Studio |
ABN Active | VIC 3072 |
| 2 | 56 201 179 678 G W & C A SMITH CONSERVATIVE DESIGNS |
ABN Active | QLD 4352 |
| 3 | 63 083 840 724 HLCD PTY LTD HELEN LARDNER CONSERVATION & DESIGN |
ABN Active | VIC 3127 |
| 4 | 85 343 003 741 TREVOR WESCOTT WESTMORE TREVOR WESTMORE URBAN DESIGN AND HERITAGE CONSERVATION |
ABN Cancelled | VIC 3182 |