| # | Entity | Status | State |
|---|---|---|---|
| 1 | 28 608 757 044 BRENNAN BUILDING CO. PTY LTD |
ABN Active | NSW 2114 |
| 2 | 37 141 919 664 Brennan Building Pty Ltd |
ABN Active | NSW 2062 |
| 3 | 37 620 899 416 D BRENNAN BUILDING SERVICES PTY LTD |
ABN Active | NSW 2044 |
| 4 | 41 087 546 898 JASON BRENNAN BUILDING SERVICES PTY. LTD. |
ABN Active | NSW 2870 |
| 5 | 75 620 134 018 PAT BRENNAN BUILDING AND PLUMBING PTY LTD |
ABN Active | NSW 2280 |
| 6 | 37 141 919 664 Brennan Building Pty Ltd |
ABN Active | NSW 2062 |