| # | Entity | Status | State |
|---|---|---|---|
| 1 | 73 072 221 286 BAS BUILDING & DESIGN SERVICES PTY. LTD. |
ABN Active | NSW 2011 |
| 2 | 75 077 116 520 BA HATCH BUILDING SERVICES PTY LTD |
ABN Active | SA 5019 |
| 3 | 77 118 589 414 BAS BUILDING SERVICES PTY LTD |
ABN Active | NSW 2199 |
| 4 | 50 772 391 868 The Trustee for BA AHERN FAMILY TRUST BA AHERN BUILDING SERVICES |
ABN Active | SA 5453 |
| 5 | 75 077 116 520 BA HATCH BUILDING SERVICES PTY LTD BA HATCH BUILDING SERVICES PTY LIMITED |
ABN Active | SA 5019 |