| # | Entity | Status | State |
|---|---|---|---|
| 1 | 14 621 537 960 DR HEBEL LIGHTWEIGHT CLADDING SYSTEMS PTY LTD |
ABN Cancelled | NSW 2158 |
| 2 | 34 078 402 632 DRS RUGGED SYSTEMS AUSTRALIA PTY LIMITED |
ABN Cancelled | ACT 2609 |
| 3 | 81 162 772 054 DR BOOM FRANCHISING SYSTEM PTY LTD |
ABN Active | NSW 2137 |
| 4 | 94 206 413 314 DRS Network & Imaging Systems LLC |
ABN Active | HASH 3580 |
| 5 | 97 321 904 990 DRS SUSTAINMENT SYSTEMS INC |
ABN Active | HASH 6312 |
| 6 | 35 802 448 552 DAISY ROEHRIG DR SYSTEMS |
ABN Active | VIC 3142 |