| Company name | Reg. code |
|---|---|
| TIERRA OÜ | 12831597 |
| TIERRA IRIS OÜ | 16458103 |
| TIERA HOLDING OÜ | 14075728 |
| TIENDA OÜ | 14677195 |
| TIENDA CAPITAL OÜ kustutatud | 12223372 |
| LA TIENDA OÜ | 17087347 |
| TIERRANORTE OÜ | 16343073 |
| SIERRA OÜ | 17380194 |
| ITERRA OÜ | 16313273 |
| TERRA8 OÜ kustutatud | 16502815 |
| TERRA OÜ (former name OÜ Pildiküla-Pilguse Põllud ja Metsad) | 10817328 |
| CHARLIE SIERRA OÜ | 14564723 |
| SIERRA KILO OÜ | 17303868 |
| ITERRA SOLUTIONS OÜ kustutatud | 14906939 |
| SIERRA MARITIME OÜ kustutatud | 10791994 |
| PROJECT SIERRA OÜ | 16248191 |
| SIERRA INVEST OÜ | 11909133 |
| SIERRA BLANCA OÜ | 17204348 |
| SIERRA BLACK OÜ kustutatud | 12980877 |
| DELTA SIERRA OÜ | 16991872 |
| SIERRA MIKITA OÜ | 16788289 |
| 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 |