| Company name | Reg. code |
|---|---|
| BIRTEM OÜ | 14608975 |
| BIRGAM OÜ (former name Birgam Teenused OÜ) | 16185154 |
| BIRKEN OÜ | 14794989 |
| BIREME OÜ | 10946190 |
| BIRTLEY OÜ kustutatud | 10966494 |
| BIRTHE OÜ | 17031068 |
| BIRGER OÜ | 10579797 |
| BIRBEL OÜ | 10872801 |
| BIRKES OÜ | 12142219 |
| BIRKET OÜ | 17428009 |
| BIRTAX OÜ | 16158306 |
| ILUSALONG BIRETA OÜ | 14743638 |
| BIRUTE BEAUTIQUE OÜ | 14828626 |
| WILDBIRD OÜ (former name Birdel OÜ) | 14400223 |
| BARTER24 OÜ | 14887604 |
| AIRTEK OÜ kustutatud | 11126299 |
| BIXTAM OÜ kustutatud | 11031908 |
| BIOTEO OÜ | 16538049 |
| BIPTEC OÜ | 16311216 |
| BITTEAM OÜ kustutatud | 16349905 |
| DIRTEK OÜ | 14611724 |
| BARTER OÜ kustutatud | 11537915 |
| BILTEX OÜ | 10171205 |
| AARTEM OÜ | 11359030 |
| BERTUM OÜ | 16742755 |
| BITTER OÜ | 16963605 |
| BIITEL OÜ | 11409956 |
| AIRTEAM OÜ | 11612195 |
| BITEME OÜ | 12163285 |
| BITRAM OÜ (former name S2S Reactor OÜ) | 14413177 |
| BILDEM OÜ | 16200936 |
| BIREL OÜ kustutatud | 16264652 |
| BIOTEK TRADING OÜ | 12389820 |
| BITTER ORANGE OÜ | 14714045 |
| BIOTEX BLOCKCHAIN OÜ kustutatud | 14396438 |
| GWS BIOTEC OÜ (former name Green World Solutions OÜ) | 14712394 |
| BARTEL FINANCE OÜ | 12402169 |
| BIITUM MARKETING OÜ | 17078727 |
| BARTEL WOOD OÜ | 12402092 |
| BARTES PRO OÜ kustutatud | 11103134 |
| BERTOM TRADING OÜ kustutatud | 10412643 |
| BERTEL TRADE OÜ kustutatud | 10642024 |
| BARTER SMARTPLACE OÜ kustutatud | 16284583 |
| BERTOM TOURS OÜ | 14569471 |
| BIOTER INVEST OÜ (former name Bioter Invest UÜ) | 14833583 |
| BARTEX WORLDWIDE OÜ | 14456778 |
| BERTES INVEST OÜ kustutatud | 12449024 |
| BEST BITTER OÜ | 12708267 |
| BARTEC TRADE OÜ kustutatud | 10789810 |
| BARTEL CAPITAL OÜ | 11506381 |