| # | Entity | Status | State |
|---|---|---|---|
| 1 | 38 624 503 019 GB BUILDING SERVICES PTY LTD |
ABN Active | NSW 2326 |
| 2 | 13 532 214 590 GAETANO GIUFFRE GBS Building Services |
ABN Cancelled | NSW 2210 |
| 3 | 17 849 768 434 G.A BELL & S.E Bell GBS Building Services |
ABN Cancelled | NSW 2250 |
| 4 | 95 843 184 099 PAUL ANTHONY GARNER GBS GARNER BUILDING SERVICES |
ABN Active | NSW 2486 |