| # | Entity | Status | State |
|---|---|---|---|
| 1 | 27 742 572 080 G.O ROBERTSON & N.E ROBERTSON |
ABN Cancelled | NSW 2145 |
| 2 | 91 989 693 982 D.A ROBERTSON & G.D ROBERTSON & A.A YOUNG & J.O Young |
ABN Cancelled | VIC 3172 |
| 3 | 78 341 782 451 G.O AMAECHI & K HARVEY & L.J MACKINNON & C.G ROBERTSON & J.M RUTZEN & P.S TAIT |
ABN Active | SA 5333 |
| 4 | 14 918 468 360 G.O LEE & C.L ROBERTSON |
ABN Cancelled | NSW 2448 |
| 5 | 29 650 258 403 J.T BEIERS & O.P BORSCHMANN & T.G DOOLAN & J.P GUNDERSEN & C.A ROBERTSON & D.A VERSACE |
ABN Active | QLD 4169 |
| 6 | 61 630 873 740 K GATTO & G GENNAOUI & O.C HILL & R PIETSCH & W.S ROBERTSON & M SALAJEC & A.R SCHARFEGGER |
ABN Cancelled | NSW 2566 |
| 7 | 25 953 676 139 GEOFFREY O ROBERTSON G O ROBERTSON |
ABN Active | NSW 2372 |