| # | Entity | Status | State |
|---|---|---|---|
| 1 | 25 009 383 797 WALTER HUNTER & PENELOPE WATSON ARCHITECTS PTY LTD |
ABN Active | WA 6011 |
| 2 | 53 005 731 920 HAL WALTER ARCHITECT PTY. LTD. |
ABN Cancelled | VIC 3101 |
| 3 | 76 268 750 790 THE WALTER WELST ARCHITECT URAL TRUST |
ABN Cancelled | VIC 3101 |
| 4 | 79 068 550 863 WALTER CORSI ARCHITECT PTY. LTD. |
ABN Active | VIC 3084 |
| 5 | 50 552 762 949 TONY WALTER AND SUSAN HELEN MCLAIN TONY WALTER and SUSAN HELEN MCLAIN Architects |
ABN Active | NSW 2041 |
| 6 | 99 065 038 820 WALTER HUGH DOBKINS WALTER DOBKINS ARCHITECT PLANNER |
ABN Cancelled | QLD 4581 |