| # | Entity | Status | State |
|---|---|---|---|
| 51 | 89 146 741 817 DOWNER UTILITIES SDR PTY LTD |
ABN Active | NSW 2113 |
| 52 | 94 631 469 335 SDR SOLUTIONS PTY LTD |
ABN Active | ACT 2913 |
| 53 | 96 108 432 882 SDR Solutions Pty Ltd |
ABN Cancelled | NSW 2153 |
| 54 | 97 120 622 997 SDR BUILDING DESIGN GROUP PTY LTD |
ABN Active | VIC 3149 |
| 55 | 98 146 135 524 SDR International Pty Ltd |
ABN Cancelled | NSW 2566 |
| 56 | 26 067 525 991 DOWNER UTILITIES SDR AUSTRALIA PTY LTD SDR AUSTRALIA PTY LTD |
ABN Cancelled | NSW 2113 |
| 57 | 29 085 789 091 W.A. CIVIL PTY LTD SDR CIVIL & PROJECT MANAGEMENT PTY LTD |
ABN Active | WA 6230 |
| 58 | 36 101 515 137 SDR Communications Technologies Pty Ltd SDR COMMUNICATIONS TECHNOLOGIES PTY LTD |
ABN Cancelled | VIC 3144 |
| 59 | 42 155 234 898 SDR EARTHMOVING PTY. LTD. SDR Earthmoving Pty Ltd |
ABN Cancelled | QLD 4740 |
| 60 | 46 105 578 612 HELIX SDR PTY. LTD. HELIX SDR PTY LTD |
ABN Cancelled | VIC 3148 |
| 61 | 49 106 949 151 SDR PTY LTD |
ABN Active | NSW 2290 |
| 62 | 89 146 741 817 DOWNER UTILITIES SDR PTY LTD TENIX SDR PTY LTD |
ABN Active | NSW 2113 |