| Company name | Reg. code |
|---|---|
| DERMATECH OÜ (former name OÜ Protechnical) | 12963181 |
| DELTATECH OÜ kustutatud | 12766836 |
| FERMETECH OÜ (former name Cider Mill OÜ) | 11646366 |
| AERFATECH OÜ | 16789751 |
| KARMATECH OÜ | 16701963 |
| DREAMTECH OÜ | 10881668 |
| HERATECH OÜ | 12093521 |
| ERMITECH OÜ (former name Ermitech Solutions) | 11548936 |
| ERKATECH OÜ (former name OÜ Rentvin Grupp) | 14327029 |
| DOMATECH OÜ | 16506167 |
| ERMATEC OÜ | 10826764 |
| ESMATECH GRUPP OÜ kustutatud | 10491246 |