| # | Entity | Status | State |
|---|---|---|---|
| 1 | 86 630 498 109 TWIN OAKS STUD PTY LTD |
ABN Active | NSW 2576 |
| 2 | 42 174 562 093 SOPHIEA MAREE DOLAN Regal Oaks Thoroughbred Stud |
ABN Cancelled | QLD 4207 |
| 3 | 44 580 733 567 SAWYER & GRASKE 4 OAKS STUD |
ABN Cancelled | VIC 3825 |
| 4 | 45 072 522 745 DIANE NAYLOR OAK VALLEY STUD |
ABN Active | VIC 3757 |
| 5 | 46 129 584 058 JENNIFER MACKAY OAK HILL CASHMERE STUD |
ABN Cancelled | NSW 2446 |
| 6 | 69 538 350 106 G.W CORMACK & K.A MCGILL SILVER OAK STUD |
ABN Active | NSW 2338 |
| 7 | 71 336 014 280 J.K POWELL & M.E POWELL OAK-N-VALE QUARTER HORSE STUD |
ABN Cancelled | QLD 4340 |
| 8 | 44 580 733 567 SAWYER & GRASKE 4 OAKS STUD |
ABN Cancelled | VIC 3825 |
| 9 | 67 757 767 929 RAYMOND & KERRY SMITH River Oak Arabian Stud |
ABN Active | NSW 2756 |
| 10 | 71 733 046 931 P.R HORNER & L.I HORNER SILKY OAKS WARMBLOOD STUD |
ABN Active | QLD 4361 |