| Ettevõtte nimi | Reg. kood |
|---|---|
| FERONTECH OÜ kustutatud | 16001361 |
| FERMETECH OÜ | 11646366 |
| FRONTECH OÜ | 16320534 |
| BETONTECH OÜ | 14330362 |
| AEROTECH OÜ | 12158261 |
| DEONTECH OÜ | 14680292 |
| ZEROTECH OÜ kustutatud | 14438869 |
| TEROTECH OÜ | 17237120 |
| CRONTECH OÜ kustutatud | 12440856 |
| TERNTECH OÜ | 16995404 |
| FRONTECH SUPPORT OÜ | 16743418 |
| BTB AEROTECH OÜ | 16584351 |
| AEROTECH SERVICES OÜ | 16724970 |
| BT AEROTECH OÜ | 16531248 |
| AEROTECH ASSETS OÜ | 16937171 |
| GEROTECH CORP OÜ | 16904608 |
| FRONTECA GROUP OÜ | 17387718 |
| MCOM DISTRIBUTION OÜ | 12699040 |