| Firma nimi |
|---|
| Onia Original Idea OÜ |
| ONIKS PASSIM OÜ |
| ONNINEN AS |
| Ontic OÜ |
| Onyxia OÜ |
| Oohoo Studios OÜ |
| OPTIMA BALTIC OÜ |
| Optimera Estonia AS |
| ORAK OÜ |
| Organia OÜ |
| Organiqly OÜ |
| Orien Trade OÜ |
| Oriens OÜ |
| Orkla Eesti AS |
| Ornyx OÜ |
| Firma nimi |
|---|
| Onia Original Idea OÜ |
| ONIKS PASSIM OÜ |
| ONNINEN AS |
| Ontic OÜ |
| Onyxia OÜ |
| Oohoo Studios OÜ |
| OPTIMA BALTIC OÜ |
| Optimera Estonia AS |
| ORAK OÜ |
| Organia OÜ |
| Organiqly OÜ |
| Orien Trade OÜ |
| Oriens OÜ |
| Orkla Eesti AS |
| Ornyx OÜ |