| Company name | Reg. code |
|---|---|
| ABTECH OÜ kustutatud | 14964538 |
| ABTERM OÜ kustutatud | 11579664 |
| COMPOTEXA OÜ kustutatud (former name ABTECH Powder Coating OÜ) | 14444108 |
| AUTECH OÜ kustutatud | 11925116 |
| AZTECH OÜ | 14293879 |
| AUTECH OÜ | 16432546 |
| ARTECH OÜ | 10376077 |
| ATECH OÜ | 14896023 |
| MDA ADTECH OÜ | 16825300 |
| ARTECH ENGINEERING OÜ | 11151558 |
| VZ ADTECH OÜ | 16792475 |
| ARTECH EUROP OÜ | 14713471 |
| ARTECH CARBON OÜ | 12309435 |
| AUTECH SOLUT OÜ kustutatud (former name TECH-TOOLS OÜ) | 12781988 |
| AUTECH BALTIC OÜ kustutatud | 14042404 |
| AZTECH DEVELOPMENT OÜ | 14711271 |
| NORDIC AVTECH OÜ kustutatud | 12598557 |
| ATECH SERVICE OÜ kustutatud | 14264754 |
| ARTEACH OÜ | 17089336 |
| ALLTECH OÜ | 10910944 |
| ANDTECH OÜ | 16161076 |
| ASTECHS OÜ | 14272765 |
| AFFTECH OÜ kustutatud | 16087919 |
| DKTECH OÜ kustutatud | 16179426 |
| ANATECH OÜ | 17248081 |
| ALPTECH OÜ | 16921179 |
| ARMECH OÜ | 14986795 |
| EASTECH OÜ | 16077737 |
| AMETECH OÜ | 14022034 |
| AIXTECH OÜ | 16601823 |
| BALTECH OÜ | 16532839 |
| CARTECH OÜ kustutatud (former name Cartech UÜ) | 12887221 |
| AXMECH OÜ | 16390016 |
| ARBOTECH OÜ | 17287939 |
| EAPTECH OÜ | 12525736 |
| BASTECH OÜ | 14417880 |
| ALOTECH OÜ | 17191041 |
| AGETECH OÜ | 14634375 |
| AIRTECH OÜ | 11371165 |
| ALBATECH OÜ | 17075054 |
| R&M ADTECH OÜ (former name Sagapo OÜ) | 16547746 |
| AZTECH ANALYTICS CONSULTING OÜ | 16602681 |
| ARTECO INVEST OÜ | 16600914 |
| BMTECH BALTICS OÜ | 14893088 |
| ARTECO HOLDING OÜ kustutatud | 11214684 |
| ALLTECH EESTI OÜ | 11076868 |
| BALTECH GROUP OÜ kustutatud | 11986961 |
| BALTECH EUROPE OÜ | 17280446 |
| ADSTECH AFFILIATES OÜ | 16010845 |
| ALTECO SYSTEMS OÜ | 12192625 |