| Company name | Reg. code |
|---|---|
| TECH SYSTEMS OÜ kustutatud | 14346883 |
| APO TECH SYSTEMS OÜ | 12000614 |
| TECH TRUSTED SYSTEMS OÜ kustutatud | 16558744 |
| NORD-TECH SYSTEMS OÜ | 12628169 |
| AIR-TEC-SYSTEMS OÜ kustutatud | 11967478 |
| COMPOTEXA OÜ kustutatud (former name Sgb systems OÜ) | 14444108 |
| TECHINDO SYSTEMS OÜ | 17471011 |
| TECHNICAL SYSTEMS OÜ (former name Zarni OÜ) | 14393824 |
| KARANAKA BHANDARKHAL OÜ kustutatud (former name FUTU TECHNOLOGY OÜ) | 14586943 |
| 472 JHQ ENTERTAINMENT OÜ (former name Aiko Systems Technologies OÜ) | 12024554 |
| MTECH CARWASH SYSTEMS OÜ | 14371852 |
| SIEMMED TECHNOLOGY SYSTEMS OÜ kustutatud | 12302657 |
| PLANETARY TECHNOLOGY SYSTEMS OÜ | 16577760 |
| INDUSTRIAL TECHNOLOGY SYSTEMS OÜ | 12347921 |
| INTELLIGENT TECHNOLOGY SYSTEMS OÜ kustutatud | 14410747 |
| COMMUNICATION TECHNOLOGY SYSTEMS OÜ kustutatud | 12212948 |
| J.A.M. SYSTEMS - BUSINESS INFORMATION TECHNOLOGY OÜ kustutatud | 14300450 |