| # | Entity | Status | State |
|---|---|---|---|
| 1 | 27 079 432 116 21ST CENTURY SECURITY PTY. LIMITED |
ABN Cancelled | QLD 4211 |
| 2 | 35 111 326 295 21st Century Security Worldwide Pty ltd |
ABN Cancelled | QLD 4556 |
| 3 | 65 129 417 429 21ST CENTURY SECURITIES PTY LTD |
ABN Cancelled | VIC 3205 |
| 4 | 21 053 359 425 SEYMOUR HOLDINGS PTY LTD Century 21st Home Security |
ABN Active | WA 6021 |
| 5 | 57 178 940 907 T.P GRINCERI & M.C GRINCERI Century 21st Home Security |
ABN Active | QLD 4207 |