| # | Entity | Status | State |
|---|---|---|---|
| 1 | 33 112 901 747 Underground Communications Pty Ltd |
ABN Cancelled | WA 6060 |
| 2 | 40 626 094 764 UNDERGROUND COMMUNICATIONS SOLUTION PTY LTD |
ABN Cancelled | QLD 4160 |
| 3 | 64 151 146 404 UNDERGROUND COMMUNICATION UGC PTY LTD |
ABN Active | VIC 3977 |
| 4 | 95 128 555 724 UNDERGROUND COMMUNICATIONS SERVICE PTY LTD |
ABN Cancelled | VIC 3134 |
| 5 | 91 606 033 621 THE UNDERGROUND GROUP PTY LTD UNDERGROUND COMMUNICATIONS |
ABN Active | NSW 2086 |