| # | Entity | Status | State |
|---|---|---|---|
| 1 | 16 009 141 422 CHALLENGE SYSTEMS PTY LTD |
ABN Cancelled | WA 6010 |
| 2 | 17 053 784 231 CHALLENGE COMPUTER SYSTEMS PTY. LTD. |
ABN Cancelled | SA 5000 |
| 3 | 32 071 607 586 CHALLENGE TRAINING SYSTEMS PTY LTD |
ABN Cancelled | QLD 4570 |
| 4 | 16 009 141 422 CHALLENGE SYSTEMS PTY LTD |
ABN Cancelled | WA 6010 |
| 5 | 17 053 784 231 CHALLENGE COMPUTER SYSTEMS PTY. LTD. CHALLENGE COMPUTER SYSTEMS PTY LTD |
ABN Cancelled | SA 5000 |