| # | Entity | Status | State |
|---|---|---|---|
| 1 | 26 158 386 861 A.W DUFF & L.A DUFF |
ABN Active | VIC 3228 |
| 2 | 57 433 638 095 C.L DUFF & M.W DUFF |
ABN Cancelled | QLD 4300 |
| 3 | 92 966 959 425 P.G DUFF & W.L DUFF & P.R ENGLAND |
ABN Active | QLD 4558 |
| 4 | 15 160 267 815 W.F AINGER & D DUFF & D.R MCAULLAY & T.L TARAIA |
ABN Active | WA 6050 |
| 5 | 28 815 594 027 E.L DUFF & C.W TULLY |
ABN Cancelled | QLD 4403 |
| 6 | 44 128 649 228 R.J DUFF & M.J GRACIE & P.W GRACIE & L.M JONES |
ABN Cancelled | QLD 4454 |
| 7 | 87 328 916 165 K.W DUFF & J.L L'HOMME |
ABN Cancelled | NSW 2745 |
| 8 | 24 350 233 138 WARREN LESLIE DUFF W L AND D J DUFF |
ABN Cancelled | QLD 4350 |