| Company name | Reg. code |
|---|---|
| BLOCCO OÜ (former name Holding Horizons OÜ) | 14599578 |
| BLOCKOP OÜ kustutatud | 14788411 |
| BLONIO OÜ (former name Molak Ecommerce OÜ) | 14697246 |
| BLOCKS03 OÜ kustutatud | 16681628 |
| BLÖCKE OÜ | 10513522 |
| BLOCK OÜ | 11246508 |
| BLOCK 8 OÜ | 14828790 |
| BLOCK7 OÜ | 16046398 |
| FUNKY BLOCKS OÜ | 16798619 |
| BLOCK BY BLOCK CAPITAL EUROPE OÜ | 14465398 |
| BLOCK INVEST OÜ | 16352050 |
| BLOCK-STAFF OÜ | 16591523 |
| BLOCK PARTY OÜ | 16243584 |
| LAVA BLOCK OÜ | 14424070 |
| BLOCK PROPERTIES OÜ | 17397349 |
| BLOCK MINTER OÜ | 17031803 |
| BLOCK KIDS OÜ kustutatud | 14488318 |
| BLOCK BEATS OÜ kustutatud | 14579995 |
| ICON BLOCK OÜ | 14492679 |
| BLOCK8 XAAS OÜ | 16447737 |
| ARENDUS BLOCK OÜ kustutatud | 14343548 |
| BETTER BLOCK OÜ | 16244891 |
| BLOCK HOLDINGS OÜ kustutatud | 14401116 |
| SMART BLOCK OÜ kustutatud | 14503532 |
| OUTSIDE THE BLOCKS OÜ | 16061682 |
| SKILLS OF BLOCKS OÜ | 16533804 |
| ONE BLOCK CONSULTANTS OÜ | 16369960 |
| BLOCH AI (EU) OÜ | 17321694 |
| ST BLOCK VENTURES OÜ | 16509639 |
| BLOCK TECHNOLOGY EUROPE OÜ kustutatud | 14658973 |
| BLOCK SOLUTIONS TECH OÜ | 16295032 |
| AI BLOCK TECH OÜ kustutatud | 14522185 |
| BLOCK GAME STUDIO OÜ kustutatud | 16232600 |
| THE UNCHAINED BLOCK OÜ | 14444835 |
| BLOCK GAMES FOUNDATION OÜ (former name Shatterpoint Foundation OÜ) | 16513121 |
| OPUS BLOC OÜ | 17335450 |
| THE EASTERN BLOCK DESIGNS OÜ | 14751000 |
| MUDRA BLOCKS SERVICES AND INVESTMENT OÜ kustutatud | 14541165 |
| LOCCO OÜ | 17146541 |
| BROSCO OÜ | 16445744 |
| BLANCO OÜ | 17429279 |
| BIOCC OÜ (former name OÜ Tervisliku Piima Biotehnoloogiate Arenduskeskus) | 11077336 |
| ROCCO OÜ | 10174346 |
| LOHCO OÜ | 17231910 |
| BOSCO OÜ | 12086053 |
| FLOCO OÜ | 10387388 |
| MOCCO OÜ kustutatud (former name Musetti Estonia OÜ) | 14070300 |
| WHITE BRONCO OÜ kustutatud | 16090703 |
| A.BLANCO OÜ kustutatud | 16129782 |
| BRONCO-TECH OÜ | 11253655 |