| # | Entity | Status | State |
|---|---|---|---|
| 1 | 16 885 582 849 Rostrevor Old Collegians Soccer Club Incorporated |
ABN Active | SA 5073 |
| 2 | 38 255 034 835 Rostrevor Old Collegians Cricket Club Incorporated |
ABN Active | SA 5063 |
| 3 | 53 856 093 772 ROSTREVOR OLD COLLEGIANS INCORPORATED |
ABN Active | SA 5072 |
| 4 | 64 557 194 198 LIONS CLUB OF ROSTREVOR INCORPORATED |
ABN Cancelled | SA 5070 |
| 5 | 80 805 512 612 ROSTREVOR TENNIS CLUB INCORPORATED |
ABN Active | SA 5073 |