| Ettevõtte nimi | Reg. kood |
|---|---|
| 1ST ONE OÜ | 14745086 |
| ONE STAY OÜ | 14779553 |
| STORM ONE OÜ kustutatud | 14590590 |
| STARIA ONE OÜ | 12956086 |
| STUDIO ONE OÜ | 11063788 |
| STRANGE ONES OÜ | 16521391 |
| ONE STEP AHEAD OÜ | 16233522 |
| ONE STAR INVEST OÜ | 16946831 |
| ONE LIGHT STAND OÜ | 14104737 |
| ONE WAY STARTUPS OÜ | 17001995 |
| STUDIO ONE JÕHVI OÜ | 14933936 |
| ONE PIXEL STUDIO OÜ | 14628765 |
| CHAPTER ONE STUDIO OÜ | 16833512 |
| QUICKFIRE OÜ kustutatud | 12995100 |