| # | Entity | Status | State |
|---|---|---|---|
| 1 | 50 148 054 738 J.T DUFF & R DUFF |
ABN Cancelled | WA 6064 |
| 2 | 75 420 355 887 F.J DUFF & J YEE & B.T. CROOKE & R MASZKOWSKI & T DHUE |
ABN Cancelled | WA 6003 |
| 3 | 34 552 507 053 C.T ALLEN & O.C DUFF & C EDIBAM & J.P LEWIS & E LITTON & G.K LO & G.B MCGRATH & D.J MORGAN & B.Y NG & P THYAGARAJAN & S.A WEBB & R WILKINSON & L YAW |
ABN Active | WA 6008 |
| 4 | 44 704 619 136 R.J DUFF & T VINEY |
ABN Cancelled | QLD 4074 |
| 5 | 71 255 846 814 R.A CARROLL & B.S CLUTTER & S.D DUFF & M.S HEMING & C Nguyen & J.T SULLIVAN |
ABN Active | NSW 2261 |
| 6 | 84 159 518 800 M.R DUFF & B.T PEDERICK & J.A PEDERICK & A.P SANDERSON |
ABN Cancelled | SA 5154 |