| Company name | Reg. code |
|---|---|
| TEREZA OÜ kustutatud | 11537795 |
| TERESA OÜ (former name LIFEGEAR OÜ) | 11556462 |
| TERESA BUDETTA OÜ kustutatud | 16102760 |
| TEREMA RMTP OÜ | 12840171 |
| TERESA ADD OÜ kustutatud | 16533299 |
| TERESA LIFTID OÜ | 17125800 |
| TERESA MALMRE ARHITEKTUUR OÜ | 14473340 |
| INKOTUBA OÜ kustutatud (former name Teresa Inko OÜ) | 16376517 |
| TEREPI OÜ kustutatud (former name Terepi Turvas OÜ) | 12600047 |
| CEREZA OÜ kustutatud | 12522614 |
| TERTA EVENTS OÜ (former name Terta Beauty OÜ) | 16230506 |
| TERRA MAASTIKUEHITUS OÜ (former name OÜ Terra Vestra) | 14586601 |
| STERETA OÜ | 16406371 |
| KERELA OÜ | 17312169 |
| HEREMA OÜ | 12598913 |
| KEREPA OÜ | 14574762 |
| MEREMA OÜ | 11217174 |
| JEWEZA OÜ | 14226624 |
| NEREJA OÜ | 10545232 |
| TARELA OÜ | 10881094 |
| TARENA OÜ | 12302090 |
| STEREA OÜ | 17475291 |
| CERVEZA OÜ kustutatud | 12141958 |
| TEDRENA OÜ kustutatud | 14161681 |
| PEREMA OÜ | 16884876 |
| MEREKA OÜ (former name Ida-Virumaa Kinnisvara OÜ) | 14239880 |
| PUREZA OÜ | 14846309 |
| SERENA OÜ | 14721482 |
| FERECA OÜ | 14933215 |
| HEREVA OÜ | 16260134 |
| MEREVA OÜ | 12780612 |
| TERA SOLAR OÜ (former name Tera Teenused OÜ) | 14984023 |
| NERELA ESTONIA OÜ | 14164484 |
| SERENA HOLDING OÜ | 11085428 |
| SERENA EURO OÜ | 16915977 |
| TELEMA KP OÜ | 14394215 |
| NKOTAKATA MTERERA OÜ (former name Noy Pizza OÜ) | 12407356 |
| NEREJA EESTI OÜ (former name Bonusform OÜ) | 12433170 |
| SERENA VITA OÜ | 17210279 |
| PUREZA CLEAN OÜ kustutatud | 14953011 |
| SEREIA SYSTEMS OÜ | 17384967 |
| TELENA SOLUTIONS OÜ kustutatud | 16652452 |
| SEREDA.AI OÜ (former name SredaEurope OÜ) | 16797992 |
| MENTE SERENA OÜ | 16978794 |
| MERENA TRANS OÜ (former name Merena Trans UÜ) | 14246845 |
| PEREGA TÖÖL OÜ | 16556356 |
| PEREGA LOODUSES OÜ (former name Kivikorstnad OÜ) | 11884491 |
| MERENA TEENUS OÜ (former name Merena Teenus UÜ) | 16801682 |
| TEHEDA TALU OÜ (former name OÜ Endo Service) | 16313356 |
| SEREDA GRUPP OÜ | 11983336 |