| # | Entity | Status | State |
|---|---|---|---|
| 1 | 62 546 823 565 D.B DUNCAN & M.S DUNCAN & R DUNCAN & S.C DUNCAN & W.R DUNCAN & R FARRELLY |
ABN Active | NSW 2830 |
| 2 | 80 981 219 243 M ALLAM & W.M ANDERSON & A.J DICKSON & P DOVICO & J.A DUNCAN & W.A DUNCAN & G.R MASCITELLI & M.A MCCONNELL & W.G MELDRUM-HANNA & G.N MERRIMAN & R.R MERRIMAN & W.B MERRIMAN & S.R MULCAHY & others |
ABN Active | NSW 2001 |
| 3 | 45 955 982 391 C.S DUNCAN & R.B DUNCAN |
ABN Active | VIC 3500 |
| 4 | 71 511 753 688 R.B DUNCAN & S DUNCAN |
ABN Active | QLD 4574 |
| 5 | 83 096 103 960 B.R DUNCAN & C.S DUNCAN |
ABN Cancelled | NSW 2573 |
| 6 | 28 124 851 315 D.N DUNCAN & B FISHER & R FISHER & A.S GAUCHI & D.P MCHENERY |
ABN Active | NSW 2745 |
| 7 | 55 811 364 689 G.R DUNCAN & B.V GROGAN & S.D GROGAN |
ABN Cancelled | QLD 4670 |