| Company name | Reg. code |
|---|---|
| BOOB7 OÜ | 16939417 |
| BOOK4.2 OÜ kustutatud | 14454845 |
| BOOK512 OÜ | 16546103 |
| BÖÖD OÜ | 12775574 |
| GOODASS OÜ (former name BOOBS OÜ) | 14034573 |
| BOOR EESTI OÜ | 14880335 |
| BOOM AGENCY OÜ (former name OÜ Besito) | 12633549 |
| BOOM TREND OÜ | 16748350 |
| BOOM PRODUCTIONS OÜ | 10682006 |
| BOOT & LEG OÜ kustutatud | 12128550 |
| BOON YACHTS OÜ (former name Grip Drinks OÜ) | 16746061 |
| BOOK MEDIA OÜ | 10186023 |
| E-BOOK OÜ | 10966821 |
| BOOM BURGER OÜ | 16862502 |
| BOOK2WHEEL OÜ | 14344789 |
| K-BOOK OÜ | 16791142 |
| DRAGON BOOM OÜ | 16116331 |
| BOOM JUHTIMINE OÜ | 10963900 |
| BOON PROTOCOL OÜ kustutatud | 16714428 |
| TRANS-BOOL OÜ | 10582411 |
| YUMMY BOOM OÜ | 17368661 |
| BOOZ ADVISORY OÜ kustutatud | 10839407 |
| SONIC BOOM OÜ | 16899184 |
| BOOM.EE OÜ kustutatud | 10679234 |
| BOOM LIFT OÜ | 12247071 |
| BOOK IN OÜ (former name Medius OÜ) | 12135521 |
| PLUG AND BOOM OÜ kustutatud | 12923112 |
| BOOK PRINT BALTIC OÜ | 12525216 |
| BOOK PUBLISHING COURSES OÜ | 17152623 |
| BIG BADA BOOM OÜ | 16619486 |
| JK BOOK CLUB OÜ | 14091561 |
| BOOK-KEEPERS GROUP OÜ | 11728288 |
| BOOK YOUR TRAINING OÜ | 14566515 |
| BOOK BY PUUK OÜ kustutatud | 14608691 |
| BOOK HOUSE INTERIORS OÜ | 12636068 |
| DIGITAL BOOK SOLUTION OÜ | 16115797 |
| & HERE IS YOUR BOOK OÜ | 16814199 |
| ESPRESSO GRUPP OÜ (former name OÜ Boon) | 11713789 |
| NULLIVERSE CAPITAL OÜ (former name Boof OÜ) | 16146817 |
| BOOBLYC OÜ | 12394493 |
| HAUSING TECHNOLOGIES OÜ (former name Le Book OÜ) | 12818148 |
| AUTOMAGNAT OÜ (former name REHVI BOOM OÜ) | 17228115 |
| ODONIGI BAMBGBOSE OÜ kustutatud (former name BOOM INVEST OÜ) | 16475567 |
| NATURAL BOOST OÜ (former name Natural Boom OÜ) | 17451362 |
| BOOBIX GROUP OÜ kustutatud | 12744639 |
| BOOBIX MONTAGE OÜ kustutatud | 12747649 |
| LOOB LOOB OÜ | 16945292 |
| BOOBADY INVESTMENTS OÜ | 17265895 |
| MOOB02 OÜ | 17058363 |
| VOOB OÜ kustutatud | 14602748 |