| Ettevõtte nimi | Reg. kood |
|---|---|
| OBSERVA OÜ | 10790718 |
| OBSERVER OÜ | 12891004 |
| OBSERVANT JOINT SPECIAL CONSTRUCTOR "SIBMOST" OÜ | 12297519 |
| OBSERVER FOUNDATION OÜ | 14488264 |
| COMMON OBSERVATORY OÜ kustutatud | 14840005 |
| GLOBAL OBSERVATORY OÜ kustutatud | 14851730 |
| OBSERVATORY SERVICES OÜ | 16990967 |
| OBSERVATOORIUMI MAJA OÜ | 16367820 |
| SOOSERVA OÜ kustutatud | 14802424 |
| ONERVA OÜ | 14240073 |
| OSERMA OÜ | 10965106 |
| SAGECIRCLE LLP OÜ | 16016724 |
| RISERVA BIANCA OÜ kustutatud | 12674672 |
| OSERV OÜ | 11463536 |
| RESERVA SYSTEM LLC OÜ kustutatud | 14495442 |
| SERVA INVEST OÜ | 11442540 |
| SERVA MT OÜ | 10753829 |
| SERVA METS OÜ | 12628399 |
| SERVA HOLDING OÜ | 12566830 |
| SERVA EHITUS OÜ | 14488034 |
| SERVA KARDIN OÜ | 10489752 |
| SERVA ARENDUS OÜ kustutatud | 12198088 |
| SERVA HOLDINGS OÜ | 16643697 |
| KOBALADZ MAKHINJA OÜ | 14052963 |
| BALTIC HARDWOOD INDUSTRIES OÜ kustutatud | 11405088 |