| Ettevõtte nimi | Reg. kood |
|---|---|
| DEFENDIT OÜ (endine nimi OÜ Miljard) | 14637111 |
| DEFENDEC OÜ | 11306995 |
| DEFENSIQ OÜ | 17449649 |
| DEFENDEST OÜ | 14854214 |
| DEFENDER TECHNOLOGY OÜ | 12531955 |
| DEFENDEC SERVICES OÜ | 12988577 |
| DEFENDOR EUROPE OÜ kustutatud | 11807970 |
| PRO DEFENSIO OÜ | 12062302 |
| DEFENDING DATA OÜ (endine nimi Õigusbüroo Sarapuu & Partnerid OÜ) | 12618403 |
| IUS DEFENSIO OÜ | 11370415 |
| DEFENDEC HOLDING OÜ | 14232837 |
| MARITIME CONSULTING DEFENDO OÜ | 12330079 |
| DEEDIT OÜ (endine nimi Pahatar OÜ) | 16162006 |
| EFENDI OÜ | 10382853 |
| EFENDI IP & RESEARCH OÜ | 14261106 |