| # | Entity | Status | State |
|---|---|---|---|
| 1 | 35 151 834 752 MARGARET ANNE O'BRIEN |
ABN Active | NSW 2289 |
| 2 | 50 418 349 157 ANNE MARGARET O'BRIEN |
ABN Active | VIC 3030 |
| 3 | 64 058 701 482 MARGARET-ANNE O'BRIEN |
ABN Active | QLD 4037 |
| 4 | 74 492 761 384 MARGARET ANNE O'BRIEN |
ABN Cancelled | VIC 3187 |
| 5 | 84 030 163 527 MARGARET ANN O'BRIEN |
ABN Cancelled | QLD 4211 |
| 6 | 74 492 761 384 MARGARET ANNE O'BRIEN Margaret Anne O'Brien |
ABN Cancelled | VIC 3187 |