| Company name | Reg. code |
|---|---|
| HOUSIA OÜ kustutatud | 12852470 |
| HOUSING OÜ | 11712597 |
| HOUSER OÜ | 11542833 |
| HOUSIFY OÜ | 16807035 |
| HOUSBAU OÜ | 12056901 |
| 5+HOUSE OÜ kustutatud | 12647221 |
| 011 HOUSE OÜ | 16913932 |
| 3HOUSE OÜ (former name Rausberg Holding OÜ) | 14824555 |
| HOUSE OÜ | 16034998 |
| HOUNI OÜ (former name ArrowheadNordic OÜ) | 16532756 |
| NORDIC HOUSES OÜ | 10577752 |
| ATELJEE HOUSES OÜ | 16128452 |
| ESM HOUSING OÜ kustutatud | 12473867 |
| UNITED HOUSES OÜ (former name OÜ UNITED PRINTERS) | 11354675 |
| BIOHACKER HOUSES OÜ | 16395408 |
| Repre Housing OÜ kustutatud | 10057188 |
| STIVIK HOUSES OÜ (former name New Inventions OÜ) | 14327176 |
| LUMENOR HOUSES OÜ (former name Lumenorhouse OÜ) | 14394942 |
| HAPSAL HOUSING OÜ | 17233607 |
| KL HOUSING OÜ | 17193894 |
| VI-HOUSING OÜ | 16451561 |
| VORMSI HOUSES OÜ kustutatud | 10784379 |
| TIMO HOUSES OÜ kustutatud | 12413411 |
| GREENTEC HOUSES OÜ | 11398394 |
| RAISTE HOUSES OÜ | 16421979 |
| ZIP HOUSES OÜ kustutatud | 12144075 |
| 4 STE HOUSES OÜ kustutatud | 12731192 |
| A.HOUSES OÜ | 14326107 |
| SMALL HOUSES OÜ | 16264310 |
| CCK HOUSES OÜ | 14752732 |
| BALTIC HOUSING OÜ | 16470127 |
| BUILDING HOUSES OÜ | 12809385 |
| CUUBEN HOUSES OÜ kustutatud | 14322380 |
| HILANDERO HOUSES OÜ | 14080869 |
| PRECUT HOUSES OÜ | 14931021 |
| AVALOR HOUSES OÜ | 14535093 |
| LIVONIA HOUSING OÜ | 11007347 |
| EVERAN HOUSES OÜ | 16249049 |
| WELLBELL HOUSING OÜ | 16481958 |
| CLAUBRUN HOUSES OÜ | 17177470 |
| PREEMINENT HOUSES OÜ (former name Hirdasauna OÜ) | 14115149 |
| SM HOUSES OÜ (former name Amazing Unicorn OÜ) | 14808021 |
| WF HOUSES OÜ kustutatud (former name Woodfort OÜ) | 14149192 |
| ESTLA HOUSES OÜ kustutatud (former name OÜ Lubis Lugum) | 12898532 |
| CAMA HOUSES OÜ kustutatud | 14210540 |
| ANDAR HOUSES OÜ | 12426402 |
| LUMY HOUSING OÜ | 17299470 |
| THÖRN HOUSES OÜ (former name Srb Ehitus OÜ) | 14986915 |
| GESTION HOUSES OÜ | 17013515 |
| 3KM HOUSES OÜ | 16123650 |