| Ettevõtte nimi | Reg. kood |
|---|---|
| EFENCO OÜ | 12865001 |
| EFENDI OÜ | 10382853 |
| EFETO OÜ | 14184334 |
| EFECTO DORSAL OÜ | 16760345 |
| EFETO CAMP OÜ | 16740130 |
| EFECT COMPANY OÜ kustutatud (endine nimi OÜ Beltraos) | 11242094 |
| EFENDI IP & RESEARCH OÜ | 14261106 |
| EMOTIONSTEAM OÜ kustutatud (endine nimi OÜ Efesko Grupp) | 10639424 |
| EVEDCO OÜ (endine nimi CenterSystem OÜ) | 11283840 |
| ELNECO OÜ | 14035953 |
| REFENCE OÜ | 12779690 |
| DEFENCY OÜ | 16399636 |
| AGENCO OÜ | 17003712 |
| EVENTO OÜ | 14794185 |
| ESTENCO OÜ (endine nimi KARAL PLUMBING TRADE OÜ) | 14277001 |
| HEVENCO OÜ | 14335626 |
| DEFENCE OÜ kustutatud | 10941206 |
| EDELCO OÜ kustutatud | 10163045 |
| EDANCO OÜ kustutatud | 16423754 |
| EXENCE OÜ kustutatud | 16183008 |
| ELENKO OÜ kustutatud (endine nimi OÜ ELENKO) | 10298704 |
| ELANCO OÜ kustutatud | 10036660 |
| EDENCOM OÜ kustutatud | 10818026 |
| REFENDO OÜ kustutatud | 14050645 |
| EVENCIO OÜ kustutatud | 11876132 |
| TEENCO OÜ | 12619319 |
| EHECO OÜ | 14410233 |
| ERENO OÜ | 10986502 |
| FENCE OÜ | 14074522 |
| GENCO OÜ | 14219564 |
| DEFENCE UKRAINE OÜ | 17265004 |
| MODIRUM DEFENCE OÜ (endine nimi Modirum Security OÜ) | 16967715 |
| MAX DEFENCE OÜ | 11026244 |
| TEMPTERNO DEFENCE OÜ | 17272174 |
| Q-DEFENCE OÜ | 17508062 |
| MARTAN DEFENCE OÜ | 16857613 |
| SHADOWSIGHT DEFENCE OÜ | 17269232 |
| THREOD DEFENCE OÜ | 16935299 |
| DEFENCE LAB OÜ | 16118809 |
| PEAK DEFENCE OÜ | 14768555 |
| 5QT DEFENCE OÜ | 17531993 |
| LOGMAN DEFENCE OÜ | 17097363 |
| NOI EVENTO OÜ | 11807102 |
| TOWER DEFENCE OÜ | 17297820 |
| EMANCO EESTI OÜ | 10325816 |
| BRISTOL DEFENCE OÜ | 16152574 |
| BIG DEFENCE OÜ | 17196013 |
| DMI DEFENCE OÜ | 16983223 |
| PRAESIDIUM DEFENCE OÜ | 17370847 |
| ODIN DEFENCE OÜ | 17332930 |