| # | Entity | Status | State |
|---|---|---|---|
| 1 | 19 657 764 077 GC MECHANICAL AND TYRES PTY LTD |
ABN Active | NSW 2132 |
| 2 | 94 674 093 166 GC PLANT & MECHANICAL PTY LTD |
ABN Active | QLD 4212 |
| 3 | 29 719 522 081 GRANT DENHAM CAMPAIN GC AIRCONDITIONING AND MECHANICAL SERVICES |
ABN Active | SA 5342 |
| 4 | 32 118 206 276 GEOFFREY RAYMOND CARLING GC MACHINING & MECHANICAL |
ABN Active | TAS 7250 |
| 5 | 45 291 377 509 N MARR & C.R TURNER THE MECHANIC GC |
ABN Cancelled | QLD 4216 |