| Company name | Reg. code |
|---|---|
| BTR90 OÜ | 16714768 |
| BTR EHITUS OÜ kustutatud | 16572247 |
| BTR ADVISOR OÜ (former name Osaühing BTR LOGISTIC) | 10518376 |
| KINNISVARA BTR OÜ | 10789106 |
| BTR CARGO GROUP OÜ (former name BTR TECHNO GROUP OÜ) | 11812793 |
| SUGAR BTR INVEST-BPI OÜ | 12441666 |
| BTRK OÜ | 14500094 |
| BTRS OÜ kustutatud | 14401576 |
| BTRADING OÜ | 17153009 |
| BTRTECHNOLOGIES OÜ kustutatud | 16309610 |
| 393BOR OÜ (former name Stampify OÜ) | 14370746 |
| BRT OÜ | 12704410 |
| BTK OÜ | 14182080 |
| BMR OÜ (former name NW Service OÜ) | 14884072 |
| BKR OÜ | 12719469 |
| BTP OÜ | 16240982 |
| GTR OÜ | 11431625 |
| BTS OÜ (former name Meier Foundation OÜ) | 16409027 |
| BBR OÜ kustutatud | 12720018 |
| ETR OÜ | 16507511 |
| BER OÜ | 12497320 |
| ATR OÜ | 12072200 |
| BTM OÜ kustutatud | 11790117 |
| BAR OÜ | 12796263 |
| BTC OÜ | 10308727 |
| BTW OÜ | 14758640 |
| FTR OÜ | 12305325 |
| BCR OÜ (former name Mustakivi talu OÜ) | 14690578 |
| BTX OÜ | 12700286 |
| BTN OÜ | 16319608 |
| BÄR&SONS OÜ | 12104733 |
| BVR CONSULTING OÜ | 16168724 |
| BTD MANAGEMENT OÜ kustutatud | 16424216 |
| BTG BALTIC OÜ | 10570566 |
| BTS INTERNATIONAL OÜ | 10543629 |
| BTB AEROTECH OÜ | 16584351 |
| EDITIONS ATR OÜ kustutatud | 16256569 |
| BTI GROUP OÜ (former name IBTTrade OÜ) | 16240901 |
| BTM TECH OÜ | 12063750 |
| BHR CAPITAL OÜ kustutatud | 14052271 |
| FTR CAPITAL OÜ kustutatud | 16840469 |
| BER TRANS OÜ | 16641043 |
| BWR CAPITAL OÜ kustutatud | 14052466 |
| DTR AQUA OÜ kustutatud | 16099779 |
| CTR HOLDING OÜ | 16986397 |
| BRIIS BAR OÜ | 16710749 |
| BTO EHITUSE OÜ kustutatud | 11240144 |
| BTI TRADING OÜ | 12868028 |
| TRANDOKTSION BOR OÜ kustutatud (former name RVTelling OÜ) | 16601196 |
| BTB AGRO OÜ | 10679949 |