| # | Entity | Status | State |
|---|---|---|---|
| 1 | 15 009 963 222 Q.H. & M. BIRT PTY. LTD. |
ABN Active | QLD 4066 |
| 2 | 25 561 807 756 G.H BIRT & E.L DRUMMOND |
ABN Active | NSW 2010 |
| 3 | 47 981 943 375 J.M BIRT & M.P CASEY & G.F LEE & A.R MACDONALD & R.H MCCOMB |
ABN Active | WA 6158 |
| 4 | 54 873 327 768 CIVIL MINING & CONSTRUCTION PTY LTD & Q.H. & M. BIRT PTY. LTD. |
ABN Active | QLD 4009 |
| 5 | 55 140 907 882 BIELBY HOLDINGS PTY. LTD. & J.F. HULL HOLDINGS PTY. LTD. & Q.H. & M. BIRT PTY. LTD. |
ABN Active | QLD 4064 |
| 6 | 85 413 513 139 C.J BIRT & J.E KING & H MEWING & L.A THOMSETT |
ABN Active | NSW 2073 |
| 7 | 15 009 963 222 Q.H. & M. BIRT PTY. LTD. Q.H. & M. BIRT PTY LTD |
ABN Active | QLD 4066 |
| 8 | 75 064 350 504 HERBERT GERALD BIRT H G BIRT |
ABN Cancelled | NSW 2118 |