| # | Entity | Status | State |
|---|---|---|---|
| 1 | 16 156 474 412 TOWER INSURANCE SERVICES AUSTRALIA PTY LIMITED |
ABN Active | NSW 2065 |
| 2 | 17 163 909 028 TOWER CLOCK SERVICES AUSTRALIA PTY LIMITED |
ABN Active | NSW 2259 |
| 3 | 50 128 843 461 Tower Aviation Services Pty Limited |
ABN Cancelled | NSW 2576 |
| 4 | 82 070 386 757 TOWERS TECHNICAL SERVICES PTY. LIMITED |
ABN Cancelled | NSW 2232 |
| 5 | 88 126 972 585 COMPLETE COOLING TOWER SERVICE PTY LIMITED |
ABN Active | NSW 2221 |
| 6 | 99 661 335 235 ESSENTIAL TOWER SERVICES PTY LIMITED |
ABN Active | NSW 2564 |
| 7 | 22 108 983 393 CDS GLOBAL PTY LTD Tower Publishing Services (Australia) Pty Limited |
ABN Cancelled | NSW 2016 |
| 8 | 50 128 843 461 Tower Aviation Services Pty Limited |
ABN Cancelled | NSW 2576 |
| 9 | 60 076 105 130 TAL SERVICES LIMITED TOWER SERVICES PTY LIMITED |
ABN Active | NSW 2000 |
| 10 | 88 126 972 585 COMPLETE COOLING TOWER SERVICE PTY LIMITED |
ABN Active | NSW 2221 |
| 11 | 93 003 334 094 AUSTRALIAN COMPANY NUMBER 003 334 094 PTY LTD TOWER CUSTODIAL SERVICES PTY LIMITED |
ABN Cancelled | NSW 2061 |