| # | Entity | Status | State |
|---|---|---|---|
| 1 | 45 136 122 444 AUSTRALIAN SILICA QUARTZ PTY LTD |
ABN Active | WA 6004 |
| 2 | 58 614 474 574 AUSTRALIAN UNITED SILICA CORPORATION PTY LIMITED |
ABN Active | WA 6008 |
| 3 | 63 075 650 878 AUSTRALIAN ULTRAFINE SILICA PTY LIMITED |
ABN Cancelled | NSW 2065 |
| 4 | 72 119 699 982 AUSTRALIAN SILICA QUARTZ GROUP LTD |
ABN Active | WA 6008 |
| 5 | 85 613 775 287 AUSTRALIAN SILICA PTY LTD |
ABN Active | WA 6056 |
| 6 | 89 002 749 779 NORTH AUSTRALIAN SILICA PTY LTD |
ABN Cancelled | NSW 2209 |
| 7 | 89 615 593 318 AUSTRALIAN SILICA OPERATIONS PTY LTD |
ABN Cancelled | WA 6056 |