| # | Entity | Status | State |
|---|---|---|---|
| 1 | 18 387 897 668 Ultra Electronics Limited |
ABN Active | HASH UB6 |
| 2 | 48 127 336 841 Ultra Electronics Australia Pty Ltd |
ABN Active | SA 5095 |
| 3 | 54 435 282 760 ULTRA ELECTRONICS FORENSIC TECHNOLOGY INC. |
ABN Active | SA 5095 |
| 4 | 67 071 476 081 ULTRA ELECTRONICS AVALON SYSTEMS PTY LIMITED |
ABN Active | SA 5095 |
| 5 | 69 228 122 320 ULTRA ELECTRONICS LIMITED |
ABN Active | HASH 0000 |
| 6 | 18 387 897 668 Ultra Electronics Limited Ultra Electronics AudioSoft |
ABN Active | HASH UB6 |
| 7 | 36 613 531 187 ENIGMATRON INTERNATIONAL PTY LIMITED Ultra-Tech Electronics |
ABN Active | NSW 2575 |
| 8 | 42 186 683 748 WALTER SEARLES Ultra Electronics Services |
ABN Cancelled | NSW 2319 |
| 9 | 43 003 477 272 TRESTOTO PTY. LIMITED ULTRA-TECH ELECTRONICS |
ABN Active | NSW 2575 |