| Company name | Reg. code |
|---|---|
| DOA OÜ | 16411053 |
| DOA3 HOLDING OÜ (former name OÜ Dainelli) | 12658880 |
| DOAK OÜ | 17262626 |
| DOAL EST OÜ | 12084338 |
| DOARTO OÜ | 16754072 |
| DOABLE OÜ kustutatud | 14261885 |
| DOART STUDIO OÜ | 16576989 |
| DOG EAT DOG OÜ | 14007856 |
| DLA OÜ | 12661095 |
| DOS2000 OÜ kustutatud | 12732903 |
| DNA325 OÜ | 16661258 |
| GOA OÜ | 17353151 |
| DBA OÜ | 14461265 |
| DSA OÜ | 12091502 |
| DOZ OÜ | 10252398 |
| DOM OÜ | 16286518 |
| DAO OÜ | 10943277 |
| DON OÜ | 16279582 |
| DOT24 OÜ | 14989747 |
| DOX OÜ | 12878245 |
| 1DVA OÜ | 16542677 |
| DOM OÜ | 14190719 |
| DCA OÜ kustutatud | 16270724 |
| BOA OÜ | 12086656 |
| DON SOLARE OÜ | 14745838 |
| DORA SOLUTIONS OÜ | 12679617 |
| TURBO DOG OÜ | 14081210 |
| DON EUCARIO OÜ kustutatud | 16705375 |
| DOKA PERSONAL OÜ | 14485461 |
| PZ DAO OÜ kustutatud | 16622100 |
| LOA TRANSFER OÜ | 17010072 |
| CRYPTOGRAPHY.DOG OÜ | 16375920 |
| JOHN DOE OÜ | 11305122 |
| AOA TEENUSED OÜ kustutatud | 14855751 |
| DOLA VERTRIEBS OÜ kustutatud | 14083662 |
| DOM PLUS OÜ | 14598840 |
| DOMA GAMES OÜ kustutatud | 16195709 |
| DMA INVESTMENTS OÜ | 12171882 |
| WEB3DOM OÜ kustutatud | 16772644 |
| DAO HUA OÜ kustutatud | 16093104 |
| FIRE DOG OÜ | 16470268 |
| DORA RTW OÜ | 17261957 |
| LOA TEENUSED OÜ (former name Vojager OÜ) | 14267926 |
| DVA INVEST OÜ | 12995749 |
| BOA SIGNAAL OÜ | 10125518 |
| DOG CARPET OÜ | 12277681 |
| DON SIMANSON OÜ kustutatud | 16299314 |
| DAO CAPITAL OÜ | 14096009 |
| DORA CAPITAL OÜ | 17044355 |
| CHA DAO OÜ kustutatud | 12103395 |