| # | Entity | Status | State |
|---|---|---|---|
| 1 | 15 159 639 595 WIRELESS TELEPHONY AUSTRALIA PTY LIMITED |
ABN Active | NSW 2177 |
| 2 | 16 643 015 918 TELEPHONY LIMITED |
ABN Cancelled | QLD 4120 |
| 3 | 22 086 984 625 L & D TELEPHONY PTY LIMITED |
ABN Cancelled | ACT 2600 |
| 4 | 35 666 096 608 CAPTIONED TELEPHONY SERVICE LIMITED |
ABN Active | QLD 4000 |
| 5 | 89 093 268 047 Telephony Investments Pty Limited |
ABN Cancelled | NSW 2085 |