| Ettevõtte nimi | Reg. kood |
|---|---|
| ONEC OÜ | 14373207 |
| ONECO ELECTRO OÜ kustutatud | 11260922 |
| ONE7ONE OÜ | 16522887 |
| ONEA OÜ (endine nimi Debalma OÜ) | 14180520 |
| ONE 2 ONE MEDICARE OÜ kustutatud | 12767913 |
| ONE2ONE PROJECTS OÜ kustutatud (endine nimi a2b services OÜ) | 14750012 |
| ONE7 OÜ | 16889518 |
| ONE OÜ (endine nimi Agriservice OÜ) | 11478549 |
| ONES & ZEROES OÜ | 14196946 |
| STRANGE ONES OÜ | 16521391 |
| ONES LINE OÜ kustutatud | 16143629 |
| ONET GRUPP OÜ kustutatud | 11466322 |
| CONTRIBER ONE OÜ (endine nimi Cocoonity Group OÜ) | 16068342 |
| AHASH ONE OÜ | 17145116 |
| SPIRITUALLY ONE OÜ | 16833920 |
| PRIME ONE OÜ | 11231858 |
| HC ONE OÜ | 14465820 |
| RIIMAN ONE OÜ | 14417229 |
| GAIUS ONE OÜ | 17201168 |
| VOYA ONE OÜ | 17522820 |
| CENTURION ONE OÜ | 16325170 |
| ONE MEDIA OÜ | 12750551 |
| NAMBA ONE OÜ | 14040776 |
| ONE THOUSAND OÜ | 17068522 |
| RONTTI ONE OÜ | 12703014 |
| ONE7OKEN OÜ | 16440244 |
| SQUARE ONE OÜ | 14035002 |
| OPTION ONE OÜ | 14466104 |
| SHAREHOLDER ONE OÜ | 17375614 |
| SPEDITION ONE OÜ | 14644528 |
| LEVITATION ONE OÜ | 16045238 |
| ARP ONE OÜ | 11298830 |
| WELLNESS ONE OÜ | 17218683 |
| ONE2FIT OÜ | 14517787 |
| TOP ONE OÜ | 16918935 |
| DIANOR ONE OÜ | 17346464 |
| THE ONE OÜ | 14584766 |
| DEAL.ONE OÜ | 14216241 |
| ONE COMPANY OÜ | 16953475 |
| LCR ONE OÜ | 17488106 |
| ONETY ONE OÜ | 16452336 |
| TARGET ONE OÜ | 12588062 |
| INTERIOR ONE OÜ | 16275868 |
| ORGANIC ONE OÜ | 17272205 |
| DAYDROP ONE OÜ | 16647034 |
| ONE BUILDING OÜ (endine nimi Cleaning Services OÜ) | 11940930 |
| IMD ONE OÜ | 14494980 |
| ALL 4 ONE OÜ (endine nimi All 4 One UÜ) | 11928521 |
| ONE CHAMP OÜ | 16053978 |
| ONE PC OÜ (endine nimi 2G Baltic Group OÜ) | 16375162 |