| Ettevõtte nimi | Reg. kood |
|---|---|
| SIPITRAL OÜ | 16393964 |
| SIPRAL OÜ | 12348694 |
| ISPIRAL OÜ | 14194769 |
| SPIRAL WAVE OÜ | 12844619 |
| SPIRAL DEVELOPMENT OÜ | 16239973 |
| SPIRAL INVEST OÜ | 14398704 |
| SPIRAL HYDROGEN OÜ | 16896381 |
| GRATIA SPIRAL EMPIRE OÜ | 16939140 |
| SPIRAL UP GAME PUBLISHING OÜ | 16841724 |