| # | Entity | Status | State |
|---|---|---|---|
| 1 | 36 343 943 963 C.J DUFF & J.L DUFF & T.F DUFF |
ABN Active | TAS 7316 |
| 2 | 41 139 483 375 J.R BRYANT & K.L BRYANT & F.M DUFF & R.J DUFF |
ABN Active | QLD 4410 |
| 3 | 95 991 459 767 JENNIFER M & ELIZABETH RIDLEY & SHARON L DAVIS & SANDRA F DUFF & NICOLE L WILLIAMS & ANN M THOMAS & DANIELLE R SCOTT & JAQUELINE G RODGERS & ANGELA C FLANNERY |
ABN Active | NSW 2871 |
| 4 | 15 160 267 815 W.F AINGER & D DUFF & D.R MCAULLAY & T.L TARAIA |
ABN Active | WA 6050 |
| 5 | 27 363 550 745 S.F BRETT & P.P CAVANAGH & J DUFF & L EVANS |
ABN Cancelled | WA 6740 |
| 6 | 37 718 249 185 LEO THOMAS DUFF L F DUFF |
ABN Cancelled | NSW 2820 |
| 7 | 52 244 338 524 FERNA LEONIE DUFF F L DUFF |
ABN Cancelled | NSW 2147 |