| # | Entity | Status | State |
|---|---|---|---|
| 1 | 49 350 828 357 E.H BLACKBURN & G.K BLACKBURN |
ABN Cancelled | QLD 4680 |
| 2 | 26 142 806 301 J.G BLACKBURNE & H JIANG |
ABN Active | QLD 4558 |
| 3 | 62 598 679 954 G.H BLACKBURN & M.A Luby |
ABN Active | NSW 2424 |
| 4 | 30 727 740 432 GEOFFREY HOWARD BLACKBURN G H BLACKBURN |
ABN Active | NSW 2400 |
| 5 | 30 727 740 432 GEOFFREY HOWARD BLACKBURN G. H. BLACKBURN & CO |
ABN Active | NSW 2400 |