| Company name | Reg. code |
|---|---|
| OUB OÜ | 12977728 |
| OUBITANDO OÜ (former name LinzoCrypto OÜ) | 14767515 |
| HUB385 OÜ | 14340372 |
| OSB OÜ kustutatud | 12148587 |
| ÕUN OÜ | 12360945 |
| HUB221 OÜ | 14426331 |
| ÕUK OÜ | 14373466 |
| OUN OÜ | 14503360 |
| OKB OÜ | 14061695 |
| OBU OÜ | 16749622 |
| OUI OÜ | 16384342 |
| DUB OÜ | 11361451 |
| ÕUE OÜ | 14457045 |
| 835HUB OÜ | 12602767 |
| OUT OÜ | 16195106 |
| ÕUN & ÕUN OÜ | 17007242 |
| ORUB&ORUB OÜ | 12972429 |
| DIRTCLUB OÜ (former name Bass Hub OÜ) | 16640517 |
| EVO FURNITURE OÜ (former name OÜ TMT Sub) | 10941927 |
| THE SUGAR & SALT OÜ (former name Out There OÜ) | 14881197 |
| TEEMIK OÜ (former name Escape Out OÜ) | 14401926 |
| PUBLICON OÜ (former name OÜ LA PUB) | 11077247 |
| TENDINF OÜ (former name IUB.EE OÜ) | 11592893 |
| KOMPANII HUB OÜ (former name sTARTUp Hub OÜ) | 12865113 |
| R.KALMUS TRANSPORT OÜ (former name Õnnelik Õun OÜ) | 14607148 |
| KAABLIKUTT24 OÜ kustutatud (former name INOUT OÜ) | 11420780 |
| OB01 OÜ | 14687331 |
| UB40 OÜ | 14301121 |
| ÖU OÜ kustutatud | 14194449 |
| OU OÜ | 17029090 |
| AUTOJUHT OÜ (former name OÜ Autojuht OÜ) | 16133654 |
| ÜÖ ÕÜ OÜ kustutatud (former name OÜ ÜÖ ÕÜ) | 16046843 |
| JANAMASSAAŽID OÜ (former name JanaMassaažid öü OÜ) | 16047848 |
| BOSKUDIARA BRONABONG OÜ (former name OÜ Mattrans OU) | 16354438 |
| AREM 14543158 OÜ (former name 14543158 OÜ) | 14543158 |
| AREM 14428546 OÜ (former name 14428546 OÜ) | 14428546 |
| OUR TUTOR OÜ | 14525203 |
| MAXED OUT OÜ | 14346498 |
| ADVIZO HUB OÜ | 17232654 |
| AI HUB OÜ | 17452427 |
| SAGE ORB OÜ | 16257863 |
| OUR NATURE OÜ | 16399501 |
| EJ HUB OÜ | 14965474 |
| INTERACTIONS HUB OÜ kustutatud | 14127750 |
| SUUR ÕUN OÜ | 14911627 |
| KUB3 LABS OÜ (former name Koronite OÜ) | 14594279 |
| MACAWS HUB OÜ | 16660460 |
| SME HUB OÜ | 17113530 |
| PUB LAB OÜ kustutatud (former name 23 Degrees OÜ) | 14540823 |
| GOOD PUB OÜ kustutatud | 14891540 |