| Company name | Reg. code |
|---|---|
| BLECKA OÜ kustutatud | 12343722 |
| BLESTA OÜ | 14530374 |
| BLESK OÜ | 16354257 |
| BLEIK OÜ | 10066810 |
| BLEKKS GROUP OÜ kustutatud | 11253052 |
| BLOCKS03 OÜ kustutatud | 16681628 |
| FLICKA OÜ | 14902686 |
| BLÖCKE OÜ | 10513522 |
| BLACK OÜ kustutatud | 12937338 |
| FLECK OÜ | 17306752 |
| BREKA OÜ | 12313419 |
| BLOCK OÜ | 11246508 |
| BLOCK 8 OÜ | 14828790 |
| LENKA OÜ kustutatud | 12468369 |
| LEIKA OÜ | 14713212 |
| BELKA OÜ | 14714298 |
| BECCA OÜ | 11486709 |
| BLACK OÜ | 16381599 |
| BLOCK7 OÜ | 16046398 |
| LYCKA OÜ | 17071056 |
| OLENKA COACHING OÜ | 16320801 |
| FUNKY BLOCKS OÜ | 16798619 |
| X-BLANKA OÜ (former name X-Blanka UÜ) | 14348349 |
| BLACKY APARTMENTS OÜ | 17379601 |
| BLANKA INVEST OÜ kustutatud | 12743539 |
| ELECTA SOLUTION OÜ | 14096601 |
| BLACKY TRADING OÜ kustutatud | 12552101 |
| NOVA BLANKA OÜ | 17294827 |
| BLOCK BY BLOCK CAPITAL EUROPE OÜ | 14465398 |
| BLACK DYNAMICS OÜ | 16560936 |
| BLACK GRUPP OÜ kustutatud | 12327019 |
| BLACK PARROT OÜ kustutatud | 12200419 |
| BLOCK INVEST OÜ | 16352050 |
| BLACK SCREEN OÜ | 16594912 |
| BLACK PANTHER OÜ | 16144267 |
| BLACK INK OÜ (former name Veronica ILU OÜ) | 16790493 |
| BLACK RECORDS OÜ | 12708980 |
| LIMITED BLACK OÜ kustutatud | 14883517 |
| BLOCK-STAFF OÜ | 16591523 |
| BLOCK PARTY OÜ | 16243584 |
| BLACK SUMMIT OÜ kustutatud | 16698282 |
| BLACK INVEST OÜ | 11439688 |
| BLACK HORSE OÜ | 16581602 |
| BLACK INK OÜ kustutatud | 14895319 |
| BLACK VELVET OÜ kustutatud | 12809847 |
| BLACK ARROW OÜ | 16672612 |
| BLACK MALEVICH OÜ | 17016991 |
| LAVA BLOCK OÜ | 14424070 |
| BLACK BOOTS OÜ | 14031636 |
| BLACK PIRATES OÜ | 17047974 |