| # | Entity | Status | State |
|---|---|---|---|
| 1 | 15 071 812 656 MARK A OBRIEN & DONALD W BROWN |
ABN Cancelled | QLD 4064 |
| 2 | 37 353 758 937 MARK A O'BRIEN |
ABN Cancelled | NSW 2828 |
| 3 | 40 911 735 724 MARK L OBRIEN & TODD D SALTER & BENJAMIN D KIRKPATRICK & DEAN A TONKIN & CARLO E MORETTI & IVOR FINDLAY & AMANDA L PARISH & MICHAEL G OHLSSON & RICHARD G HALMARICK & 2 OTHERS |
ABN Cancelled | NSW 2000 |
| 4 | 43 459 015 522 MARK A OATS & GREGORY G O'BRIEN |
ABN Cancelled | NSW 2025 |
| 5 | 37 353 758 937 MARK A O'BRIEN |
ABN Cancelled | NSW 2828 |
| 6 | 59 127 096 121 MARK ANTHONY OBRIEN Mark A O'Brien |
ABN Cancelled | VIC 3630 |