| Company name | Reg. code |
|---|---|
| BIPTEC OÜ | 16311216 |
| SIPTEC OÜ | 17183708 |
| GWS BIOTEC OÜ (former name Green World Solutions OÜ) | 14712394 |
| RIMTEC OÜ (former name Rim Tec OÜ) | 16709953 |
| BILTECH OÜ | 17465795 |
| FIXTEC OÜ | 10042904 |
| BILTECH OÜ kustutatud | 12419494 |
| ZIPTEX OÜ | 12254119 |
| BIRTEM OÜ | 14608975 |
| BIOTEO OÜ | 16538049 |
| NIPITEC OÜ (former name Womens Dream OÜ) | 12934943 |
| TINTEC OÜ | 16296793 |
| MICTEC OÜ | 14726338 |
| BIZTECH OÜ kustutatud | 11503313 |
| TRIPTEC OÜ kustutatud | 12718369 |
| HIPTECH OÜ | 16671417 |
| VISPTEC OÜ | 16861069 |
| NIPTEX OÜ | 12961242 |
| BILDEC OÜ | 12777662 |
| BESTEC OÜ (former name OÜ Puitsisustus) | 14074580 |
| BILTEX OÜ | 10171205 |
| DIPTER OÜ | 11508782 |
| BITTER OÜ | 16963605 |
| BIITEL OÜ | 11409956 |
| BIOTECH OÜ | 12632219 |
| DIATEC OÜ kustutatud | 12093900 |
| EPITEC OÜ | 16437207 |
| WINTEC24 OÜ | 14118219 |
| BLIZTEC OÜ | 17410943 |
| CIATEC OÜ | 14683534 |
| BITTECH OÜ | 12857390 |
| AITEC OÜ | 11172879 |
| BIOTEK TRADING OÜ | 12389820 |
| BITTER ORANGE OÜ | 14714045 |
| BIGTECH CONSULT OÜ | 17251611 |
| BALTEC ÜKS OÜ kustutatud | 11356839 |
| RMA BIOTECH OÜ | 14787682 |
| VILLEMAN BIOTECH OÜ kustutatud | 12918217 |
| BIOTEX BLOCKCHAIN OÜ kustutatud | 14396438 |
| ARCTIC BIOTECH OÜ | 17282468 |
| LONGEVITY BIOTECH OÜ | 16723870 |
| RAZICO BIOTECH OÜ kustutatud | 16131313 |
| NOVOTAR BIOTECH OÜ | 11349409 |
| BRS BIOTECH OÜ (former name YUKONA EUROPE OÜ) | 14816544 |
| MAHT BIOTECH OÜ | 16783062 |
| NORDWISE BIOTECH OÜ | 14877534 |
| FINTEC EKSPERDI OÜ | 10190243 |
| SINTEC TRADING OÜ kustutatud (former name Aura Trading OÜ) | 12213600 |
| MUSHIO BIOTECH OÜ | 17262276 |
| BIOTECH PLUS OÜ | 11926982 |