| # | Entity | Status | State |
|---|---|---|---|
| 1 | 23 096 994 615 WIRELESS HEARING SYSTEMS PTY LIMITED |
ABN Active | NSW 2066 |
| 2 | 63 100 291 343 ROBERT HEARES CARGO SYSTEMS PTY LIMITED |
ABN Cancelled | NSW 2229 |
| 3 | 65 113 219 837 Hear No Evil Concert Systems Pty Ltd |
ABN Cancelled | WA 6090 |
| 4 | 81 658 864 519 JOHN MICHAEL KING John M King Hearing Systems & Tinnitus Management |
ABN Active | TAS 7214 |
| 5 | 85 927 308 301 BARRON ROGER PATRICK BARRON LYNETTE ROBYN ADVANCED HEARING SYSTEMS |
ABN Active | NSW 2259 |