| # | Entity | Status | State |
|---|---|---|---|
| 1 | 40 003 812 593 JACK KAMPEL ARCHITECT PTY. LIMITED |
ABN Cancelled | NSW 2029 |
| 2 | 77 076 874 489 JACK TAYLOR ARCHITECTS PTY LIMITED |
ABN Active | NSW 2060 |
| 3 | 86 938 523 149 Jack Birrell Architects Pty Ltd & The G S A Unit Trust |
ABN Cancelled | TAS 7250 |
| 4 | 90 067 453 794 JACK BIRRELL ARCHITECTS PTY LTD |
ABN Active | TAS 7250 |
| 5 | 37 681 904 982 JOHN CHARLES LEWIS JACK LEWIS ARCHITECT |
ABN Cancelled | VIC 3003 |
| 6 | 61 411 973 821 JOHN GERLER WYATT JACK WYATT ARCHITECT |
ABN Cancelled | NSW 2448 |
| 7 | 86 938 523 149 Jack Birrell Architects Pty Ltd & The G S A Unit Trust |
ABN Cancelled | TAS 7250 |
| 8 | 91 619 397 983 BAYLON ARCHITECTS PTY LTD Jack Ryan Architect |
ABN Active | QLD 4218 |
| 9 | 53 113 384 160 FIFTYFOUR PTY LTD Jack Hawkins Architect |
ABN Active | NSW 2063 |