| # | Entity | Status | State |
|---|---|---|---|
| 1 | 76 971 895 126 B.C BIRKS & T BIRKS |
ABN Active | NSW 2835 |
| 2 | 48 068 532 391 G.T BIRKS & D.A GREENTREE |
ABN Cancelled | NSW 2250 |
| 3 | 61 298 498 761 T.J Honeyman & R.P TWOMEY-BIRKS |
ABN Cancelled | VIC 3182 |
| 4 | 91 236 179 498 T.A BARKER & J.L BIRKS |
ABN Cancelled | NSW 2261 |
| 5 | 93 465 449 560 T BIRKS & S.E DEAN |
ABN Cancelled | VIC 3205 |