| # | Entity | Status | State |
|---|---|---|---|
| 1 | 22 064 366 525 TONNA DUCTED HEATING SERVICES PTY. LTD. |
ABN Active | VIC 3020 |
| 2 | 26 153 127 952 Tonna Professional Services Pty Ltd |
ABN Cancelled | NSW 2226 |
| 3 | 58 631 807 700 TONNA WELDING SERVICES PTY LTD |
ABN Active | QLD 4228 |
| 4 | 71 164 372 196 TONNA CONSULTING SERVICES PTY. LTD. |
ABN Active | NSW 2233 |
| 5 | 78 559 275 006 K & R TONNA T AS AUTO WINDSCREEN SERVICES |
ABN Active | ACT 2906 |
| 6 | 14 562 312 288 JOSEPH TONNA Tonna Security Services |
ABN Cancelled | VIC 3337 |
| 7 | 22 064 366 525 TONNA DUCTED HEATING SERVICES PTY. LTD. TONNA DUCTED HEATING SERVICES PTY LTD |
ABN Active | VIC 3020 |
| 8 | 22 748 167 537 COREY TONNA-RILEY corey tonna-riley services |
ABN Cancelled | NSW 2210 |
| 9 | 37 224 895 378 LORELLE JOY TONNA Tonna Business Services |
ABN Cancelled | QLD 4226 |