| # | Entity | Status | State |
|---|---|---|---|
| 1 | 17 007 251 318 CHALLENGE SECURITY & INVESTIGATIONS PTY. LTD. |
ABN Active | VIC 3165 |
| 2 | 25 163 302 789 CHALLENGER KNIGHTS SECURITY PTY LTD |
ABN Cancelled | NSW 2170 |
| 3 | 37 147 923 331 CHALLENGER SECURITY PTY LTD |
ABN Active | NSW 2010 |
| 4 | 48 758 039 081 The Trustee for N & S Investments Unit Trust Challenger Security Pty Ltd |
ABN Active | NSW 2022 |