| # | Entity | Status | State |
|---|---|---|---|
| 1 | 20 156 278 410 Costan Management Pty Ltd |
ABN Active | NSW 2000 |
| 2 | 20 682 820 168 COSTAN PTY LTD |
ABN Active | WA 6152 |
| 3 | 70 095 878 694 COSTAN INVESTMENTS PTY LTD |
ABN Cancelled | QLD 4226 |
| 4 | 80 137 263 588 JS Costan Pty Ltd |
ABN Active | NSW 2035 |
| 5 | 90 003 903 964 COSTAN PTY. LIMITED COSTAN PTY. LTD. |
ABN Cancelled | NSW 2000 |