| # | Entity | Status | State |
|---|---|---|---|
| 1 | 41 572 538 659 ESTATE OF THE LATE DR DAVID NELSON DARBY |
ABN Cancelled | NSW 2000 |
| 2 | 22 901 328 040 TERENCE ADRIAN DARBY DR T.A. DARBY |
ABN Cancelled | SA 5152 |
| 3 | 67 502 124 628 CAROLYNNE DAWN DARBY Dr. Carolynne Darby |
ABN Cancelled | NSW 2101 |
| 4 | 81 102 721 343 JOLEEN KIM DARBY Dr Joleen Darby |
ABN Active | NSW 2619 |