| # | Entity | Status | State |
|---|---|---|---|
| 1 | 35 772 938 260 A.A DUFF & G.J DUFF |
ABN Cancelled | QLD 4455 |
| 2 | 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 |
| 3 | 82 167 810 539 D.J COX & R.B DANIELS & G.G DUFF & J.A FARRELL & M.K MULQUINEY & S.R MULQUINEY & L SWAN |
ABN Cancelled | NSW 2290 |
| 4 | 68 896 556 191 J.M BYRNE & M COTTERILL & D.R DUFF & E.J DAVIS & S DODGSON & A.M IRVING & M.G KEARNEY & A MELVILLE & D POLLITT & V.D ROBSON |
ABN Cancelled | QLD 4218 |
| 5 | 22 592 471 238 A.P DEKKER & G DEKKER & J DUFF |
ABN Cancelled | NSW 2530 |