| # | Entity | Status | State |
|---|---|---|---|
| 1 | 12 609 036 848 AUSTRALIAN DIGITAL AND TELECOM PTY LTD |
ABN Cancelled | VIC 3004 |
| 2 | 15 127 050 757 AUSTRALIAN TELECOM (WA) PTY LTD |
ABN Cancelled | NSW 2047 |
| 3 | 19 142 582 536 Australian Telecom Holdings Pty Ltd |
ABN Cancelled | NSW 2067 |
| 4 | 20 108 517 175 Australian Community Telecom Pty Ltd |
ABN Active | NSW 2581 |
| 5 | 28 099 633 164 AUSTRALIAN TELECOMS EXCHANGE PTY LTD |
ABN Cancelled | VIC 3000 |
| 6 | 59 126 593 753 AUSTRALIAN TELECOM PTY LTD |
ABN Cancelled | NSW 2141 |
| 7 | 62 131 264 572 AUSTRALIAN NATIONAL TELECOM PTY LTD |
ABN Cancelled | NSW 2324 |
| 8 | 77 084 889 823 AUSTRALIAN TELECOM NETWORK PTY LTD |
ABN Cancelled | NSW 2154 |
| 9 | 15 127 050 757 AUSTRALIAN TELECOM (WA) PTY LTD |
ABN Cancelled | NSW 2047 |
| 10 | 28 099 633 164 AUSTRALIAN TELECOMS EXCHANGE PTY LTD |
ABN Cancelled | VIC 3000 |