| Company name | Reg. code |
|---|---|
| DPO OÜ kustutatud | 14446065 |
| DPO2GO OÜ | 16291459 |
| DPO SERVICES OÜ | 16017250 |
| EPO OÜ | 16376233 |
| BPO OÜ | 12206209 |
| DSÕ OÜ | 16966874 |
| GPO OÜ | 14897399 |
| JPO OÜ | 12905290 |
| DAO OÜ | 10943277 |
| DPI OÜ | 16668585 |
| DPE OÜ | 12744852 |
| 3DPM OÜ | 11053941 |
| DPS OÜ | 12359858 |
| SPO OÜ kustutatud (former name Wild Trade OÜ) | 12918275 |
| CPO OÜ (former name Marine Corp OÜ) | 14661159 |
| DKPO OÜ | 14305482 |
| DPK BALTICUM OÜ (former name Deva Strategy OÜ) | 14220107 |
| IPO REGISTRATION OÜ kustutatud | 16791943 |
| CPO ENERGY OÜ | 16516496 |
| DMO COMMERCE OÜ | 17011396 |
| PZ DAO OÜ kustutatud | 16622100 |
| KVALITEET EPO OÜ | 17403570 |
| JOB2DOO OÜ kustutatud | 12115027 |
| DVO INVESTMENT OÜ (former name DVO Investment UÜ) | 16349041 |
| DUO DISAIN OÜ | 12497052 |
| DUO HOLDING OÜ | 16682987 |
| SOLI DEO OÜ | 16177918 |
| TPO ESTONIA OÜ | 17241498 |
| EPO MASTER OÜ kustutatud | 14847585 |
| SPO AIR OÜ | 14463198 |
| DAO CAPITAL OÜ | 14096009 |
| SKI-DOO OÜ kustutatud | 12586637 |
| DIO GLORIA OÜ kustutatud | 14577312 |
| DYNAMIC DUO OÜ kustutatud | 16772012 |
| DUO CREATIVE OÜ | 16155466 |
| TMG DTO OÜ | 17469020 |
| DUO INVEST OÜ | 11204533 |
| DUO KONSULTATSIOONID OÜ | 10416658 |
| DAO TRAVEL OÜ kustutatud | 12282038 |
| VALGE DUO OÜ kustutatud | 12297086 |
| DAO HUA OÜ kustutatud | 16093104 |
| DPK INVEST OÜ | 12769668 |
| DAO VIEN OÜ | 17004048 |
| DUO-NOTABLE OÜ | 16561284 |
| DUO RMP OÜ | 16885288 |
| DUO-LINE OÜ | 11199588 |
| EKSPRESS DUO OÜ kustutatud | 12568214 |
| CODERS DUO OÜ | 16452632 |
| TELEDISKO DAO OÜ | 16374990 |
| DUO SISUSTUS OÜ | 14590749 |