| Company name | Reg. code |
|---|---|
| CEREZA OÜ kustutatud | 12522614 |
| CERVEZA OÜ kustutatud | 12141958 |
| UNA CERVEZA OÜ | 12379855 |
| CEREAL KONTOR OÜ kustutatud | 14223821 |
| CEREBRA TECH OÜ | 17433016 |
| ORMUR CERSTA OÜ kustutatud (former name Lavenda Design OÜ) | 12851246 |
| TEREZA OÜ kustutatud | 11537795 |
| JEWEZA OÜ | 14226624 |
| MEREMA OÜ | 11217174 |
| HEREMA OÜ | 12598913 |
| KERELA OÜ | 17312169 |
| CETERA OÜ | 16313095 |
| KEREPA OÜ | 14574762 |
| NEREJA OÜ | 10545232 |
| CETREVA OÜ | 14875280 |
| PEREMA OÜ | 16884876 |
| SERENA OÜ | 14721482 |
| MEREVA OÜ | 12780612 |
| HEREVA OÜ | 16260134 |
| PUREZA OÜ | 14846309 |
| CELENA OÜ kustutatud | 11898837 |
| MEREKA OÜ (former name Ida-Virumaa Kinnisvara OÜ) | 14239880 |
| FERECA OÜ | 14933215 |
| CERKA OÜ kustutatud | 16133335 |
| CERTA OÜ | 12272175 |
| CIRERA CONSULTING OÜ kustutatud | 12363430 |
| COREDA (ESTONIA) OÜ kustutatud | 14113392 |
| SERENA HOLDING OÜ | 11085428 |
| SERENA VITA OÜ | 17210279 |
| ET CETERA OÜ | 14506795 |
| NEREJA EESTI OÜ (former name Bonusform OÜ) | 12433170 |
| NERELA ESTONIA OÜ | 14164484 |
| SERENA EURO OÜ | 16915977 |
| CELENA SOLUTIONS OÜ kustutatud | 11114576 |
| MENTE SERENA OÜ | 16978794 |
| SEREIA SYSTEMS OÜ | 17384967 |
| CIREVA RECYCLING OÜ | 17269580 |
| CORENA CRM OÜ kustutatud | 10478168 |
| MERENA TRANS OÜ (former name Merena Trans UÜ) | 14246845 |
| SEREDA.AI OÜ (former name SredaEurope OÜ) | 16797992 |
| PEREGA TÖÖL OÜ | 16556356 |
| PEREGA LOODUSES OÜ (former name Kivikorstnad OÜ) | 11884491 |
| MERELA GRUPP OÜ | 10447920 |
| SEREDA GRUPP OÜ | 11983336 |
| BEREZAN & KO OÜ (former name BEREZAN & KO TÜ) | 14680317 |
| MERELA KALA OÜ | 17433200 |
| CETERA PROPERTIES OÜ kustutatud | 11813924 |
| CARENA VARA OÜ | 11170521 |
| DEROZA-SERVICE OÜ kustutatud | 10824328 |
| MERENA TEENUS OÜ (former name Merena Teenus UÜ) | 16801682 |