| # | Entity | Status | State |
|---|---|---|---|
| 1 | 85 190 716 569 M.E LEIGHTON & M.E LEIGHTON |
ABN Cancelled | WA 6014 |
| 2 | 88 589 646 848 L.M FULTON & R.A FULTON & A.R LEIGHTON & S.E LEIGHTON |
ABN Cancelled | TAS 7302 |
| 3 | 91 749 628 018 M.J LEIGHTON & E.M SEFTON |
ABN Cancelled | VIC 3812 |
| 4 | 24 160 995 414 B.E LEIGHTON & R.M RYAN |
ABN Active | NSW 2705 |
| 5 | 33 415 269 952 E.H CRISP & A.M LEIGHTON |
ABN Cancelled | QLD 4880 |
| 6 | 33 579 166 811 B.H CORBETT & D.S FREEMAN & A.C LEIGHTON & E.M LUMSDEN & K.J PARSONS & P.D PEACHEY |
ABN Cancelled | NSW 2010 |
| 7 | 40 845 755 608 AECOM AUSTRALIA PTY LTD & BG&E PTY LIMITED & GEORGIOU GROUP PTY LTD & GHD PTY LTD & LEIGHTON CONTRACTORS PTY LIMITED & P.M.R QUARRIES PTY LTD |
ABN Active | NSW 2060 |
| 8 | 52 448 395 571 B.E LEIGHTON & C.M SANDERSON |
ABN Active | QLD 4122 |
| 9 | 76 246 209 299 K ANDERSON LEIGHTON & E.M KIRBY |
ABN Active | VIC 3758 |