| Company name | Reg. code |
|---|---|
| BT 2 OÜ kustutatud | 12949229 |
| 3BT OÜ | 12707816 |
| BT&CO OÜ kustutatud | 12188871 |
| BT SUN 4 OÜ | 16077418 |
| BT SUN 5 OÜ | 16077022 |
| BT SUN 3 OÜ | 16077134 |
| BT SUN 1 OÜ | 16077128 |
| BT SUN 2 OÜ | 16077051 |
| BT SUN 6 OÜ | 16077387 |
| REMAL BT OÜ | 10140966 |
| BT STYLE OÜ | 11765183 |
| BT SEVEN OÜ | 10617492 |
| BT GRUPP OÜ (former name Coffeeline OÜ) | 12392287 |
| BT AGENCY OÜ | 11359916 |
| BT EHITUS OÜ | 12927601 |
| BT4 INVEST OÜ (former name Forbro Team OÜ) | 12443056 |
| BT ACADEMY OÜ | 16309076 |
| BT TULEVIK OÜ | 16321568 |
| BT AEROTECH OÜ | 16531248 |
| BT PROPOLAR OÜ kustutatud | 16397784 |
| BT KAUBANDUS OÜ | 11627073 |
| BT INVESTMENT OÜ | 16669768 |
| BT AUTOHOOLDUS OÜ kustutatud | 14084207 |
| BT INVESTEERINGUD OÜ | 16127151 |
| BT INVESTEERINGUD 2 OÜ kustutatud | 16133938 |
| TARTU BT PARK OÜ (former name OÜ Tartu Biomed Park) | 14217720 |
| SIGMA TRADE BT OÜ kustutatud | 10486624 |
| HOOLIGAAN BT&C OÜ | 16580577 |
| BT YACHT CHARTER OÜ | 16058898 |
| BT INVEST HOLDING OÜ | 14473481 |
| BT & PARTNERS GROUP OÜ | 14215365 |
| B AND BT INVEST OÜ kustutatud | 12491345 |
| MONO BALTIC OÜ (former name BT joogid OÜ) | 14808817 |
| NAPALAYA RADODDI OÜ (former name BT-yldehitus Meistrid OÜ) | 14606522 |
| BTK OÜ | 14182080 |
| BTP OÜ | 16240982 |
| BTM OÜ kustutatud | 11790117 |
| BTS OÜ (former name Meier Foundation OÜ) | 16409027 |
| BTX OÜ | 12700286 |
| BTN OÜ | 16319608 |
| BTW OÜ | 14758640 |
| BTC OÜ | 10308727 |
| BTFD OÜ | 16401379 |
| BTSE OÜ | 16314321 |
| BTVH OÜ | 12828141 |
| BTRS OÜ kustutatud | 14401576 |
| BTRK OÜ | 14500094 |
| BTJA OÜ kustutatud | 14868890 |
| BTTS OÜ | 12554324 |
| BTFD OÜ | FI21/SM/3811 |