| # | Entity | Status | State |
|---|---|---|---|
| 1 | 25 650 812 150 HVAC DESIGN SERVICES PTY LTD |
ABN Active | NSW 2540 |
| 2 | 56 606 268 455 DESIGN HVAC PTY. LTD. |
ABN Active | NSW 2155 |
| 3 | 71 097 940 068 HVAC DESIGN SOLUTIONS PTY LTD |
ABN Cancelled | NSW 2560 |
| 4 | 38 827 298 679 GARRY JOHN CASTLE GJC HVAC Design |
ABN Active | NSW 2251 |
| 5 | 80 105 311 033 DIANE JOYCE LEAKE HVAC DESIGN & DRAFTING |
ABN Cancelled | WA 6159 |
| 6 | 97 322 146 926 HADI MOZAFARI HVAC DESIGN ENGINEERING & DRAFTING SERVICES |
ABN Active | NSW 2147 |
| 7 | 97 697 006 352 PETER WOOD HVAC DESIGN SERVICES |
ABN Active | NSW 2540 |
| 8 | 98 439 521 272 TIMOTHY GRAHAM A.C.E HVAC DESIGN SERVICES |
ABN Active | VIC 3156 |
| 9 | 26 130 482 334 MEGA FORCE CONSTRUCTIONS PTY LTD HVAC DESIGN NSW |
ABN Active | NSW 2430 |