| # | Entity | Status | State |
|---|---|---|---|
| 1 | 16 113 973 701 ACOUSTIC RESEARCH SERVICES PTY LTD |
ABN Cancelled | VIC 3163 |
| 2 | 44 636 400 710 ACOUSTIC LAGGING SERVICES PTY LTD |
ABN Active | WA 6105 |
| 3 | 46 002 860 433 ACOUSTIC CEILING SERVICE PTY LTD |
ABN Active | NSW 2111 |
| 4 | 64 091 148 980 ACOUSTIC HEARING SERVICES PTY. LTD. |
ABN Cancelled | SA 5000 |
| 5 | 65 102 411 996 ACOUSTIC SERVICES PTY LTD |
ABN Cancelled | NSW 2067 |
| 6 | 93 089 099 454 ACOUSTIC ENGINEERING SERVICES PTY. LTD. |
ABN Active | VIC 3165 |
| 7 | 52 667 291 316 The Trustee for P & S Krake Family Trust ACOUSTIC HEARING SERVICES-PHIL KRAKE PTY LTD |
ABN Active | VIC 3500 |
| 8 | 65 102 411 996 ACOUSTIC SERVICES PTY LTD |
ABN Cancelled | NSW 2067 |
| 9 | 93 089 099 454 ACOUSTIC ENGINEERING SERVICES PTY. LTD. ACOUSTIC ENGINEERING SERVICES PTY LTD |
ABN Active | VIC 3165 |