| Company name | Reg. code |
|---|---|
| TERRAN OÜ | 12886463 |
| TERRÄNG OÜ | 10839347 |
| TERRANO OÜ | 14378268 |
| TERRANA WORKS OÜ | 17222451 |
| TERRANA LIVING OÜ (former name Property Admin OÜ) | 16093506 |
| TERMAN OÜ (former name Terman UÜ) | 14354552 |
| TERLAN OÜ | 10190102 |
| TERJAN OÜ | 16320592 |
| TERRA8 OÜ kustutatud | 16502815 |
| TERRA OÜ (former name OÜ Pildiküla-Pilguse Põllud ja Metsad) | 10817328 |
| ZERO TERRAIN OÜ (former name Energiasalv Valdus OÜ) | 14010321 |
| TERRAO FOODS OÜ (former name Sokool Life OÜ) | 16578008 |
| TERRAS RENT OÜ | 16919416 |
| AUREA TERRAE OÜ kustutatud | 16208889 |
| RT TERRAS OÜ | 14905319 |
| TP TERRAIN OÜ | 12219583 |
| CONSILIUMQUE TERRAM OÜ kustutatud | 12668499 |
| TERRAX VARUMINE OÜ | 10942890 |
| KO TERRAIN OÜ | 17427493 |
| TERREN TRANSPORT OÜ | 14224619 |
| ARTES TERRAE OÜ | 10914072 |
| TERRA INVEST OÜ | 10921801 |
| TERRA NORDIC OÜ kustutatud | 11485489 |
| TERRA NAVITAS OÜ kustutatud | 16520405 |
| TERRA PATRIA OÜ kustutatud | 12157244 |
| AQUA TERRA OÜ | 16657943 |
| TERRA MANAGEMENT OÜ | 12973417 |
| MOONI TERRA OÜ | 16330509 |
| SOLVENTUS TERRA OÜ | 17035362 |
| TERRA-INTERNATIONAL OÜ | 17116793 |
| TERRA FENNIA OÜ kustutatud | 10708579 |
| ALTA TERRA OÜ | 16978050 |
| TERRA IMPEX OÜ | 12306266 |
| TERRA SECURE OÜ | 17235472 |
| TERRA HOSPITALITY OÜ | 17458200 |
| TERRA YUME OÜ | 16953334 |
| TERRA NUOVA OÜ | 16853265 |
| TERRA VIRTUS OÜ (former name OÜ Ruuvit) | 14353660 |
| TERRA MOTORS OÜ kustutatud | 12075440 |
| TERRA CONSULT OÜ kustutatud | 10342115 |
| TERRA IGNOTUS OÜ (former name LabTest Center OÜ) | 11339306 |
| TERRA CULTUS OÜ | 12055710 |
| TERRA VIRTUALIS OÜ | 12173220 |
| TERRA MAASTIKUEHITUS OÜ (former name OÜ Terra Vestra) | 14586601 |
| TERRA TRADE OÜ | 14310106 |
| TERRA FOOTBALL OÜ | 14544910 |
| TERRA MAMA OÜ | 14828168 |
| TERRA SOLIS OÜ kustutatud | 14515431 |
| BEATA TERRA OÜ kustutatud | 12725493 |
| TERRA CASA OÜ | 14155737 |