| # | Entity | Status | State |
|---|---|---|---|
| 1 | 11 134 802 823 STRUCTURALLY SOUND PTY. LTD. |
ABN Active | VIC 3160 |
| 2 | 15 000 830 428 SOUND STRUCTURES PTY. LIMITED |
ABN Active | NSW 2260 |
| 3 | 24 130 835 933 STRUCTURALLY SOUND ENGINEERING PTY LTD |
ABN Active | SA 5160 |
| 4 | 76 132 101 716 STRUCTURAL SOUND SCAFFOLDING PTY. LTD. |
ABN Cancelled | NSW 2303 |
| 5 | 15 000 830 428 SOUND STRUCTURES PTY. LIMITED SOUND STRUCTURES PTY LIMITED |
ABN Active | NSW 2260 |
| 6 | 21 944 747 216 GEORGE CAUCHI sound structural design maintenance & construction |
ABN Active | NSW 2157 |
| 7 | 24 130 835 933 STRUCTURALLY SOUND ENGINEERING PTY LTD |
ABN Active | SA 5160 |
| 8 | 43 706 734 209 FRANCESCO ANTONIO CUSCUNA SOUND EARTH STRUCTURES |
ABN Cancelled | WA 6151 |
| 9 | 49 433 996 150 E.A BRADBROOK & M.P BRADBROOK Structurally Sound Engineering |
ABN Cancelled | SA 5048 |
| 10 | 76 132 101 716 STRUCTURAL SOUND SCAFFOLDING PTY. LTD. Structural Sound Scaffolding Pty Ltd |
ABN Cancelled | NSW 2303 |
| 11 | 80 691 382 613 The trustee for BRADBROOK FAMILY TRUST STRUCTURALLY SOUND ENGINEERING |
ABN Cancelled | SA 5160 |