| Company name | Reg. code |
|---|---|
| KOSSES OÜ | 10378171 |
| KOSSES-PROJEKT OÜ kustutatud | 10090895 |
| KOSSOS OÜ | 16843605 |
| KOSSE KÄSITÖÖ OÜ | 17255483 |
| KOSMOS OÜ | 10686116 |
| KOSMOS 98 OÜ kustutatud | 12296365 |
| KOSMED OÜ | 10701206 |
| KOSKEL OÜ kustutatud | 10019851 |
| KOSKER OÜ | 14917378 |
| KOSMOS CONTROL OÜ kustutatud | 10170594 |
| KOSHER TRAVELCLUB OÜ | 17426430 |
| KOSMOS PLUSS OÜ | 11047370 |
| KOSMOS DEVELOPMENT OÜ kustutatud | 12231897 |
| KOSKER GRUPP OÜ (former name Salukoja Arenduse OÜ) | 14433464 |
| KOSKER EHITUS OÜ | 14251987 |
| KOSMOS INVEST KAPITAL OÜ | 16247205 |
| KOSHER F&B OÜ | 12748910 |
| LES GOSSES OÜ | 16630080 |
| KOOSSEIS OÜ kustutatud | 11793268 |
| HOSPES OÜ kustutatud | 11713447 |
| KESSEL OÜ kustutatud | 11496263 |
| KÖÖMES OÜ | 16287541 |
| KESSET OÜ | 17208704 |
| KASSET OÜ | 11786707 |
| KOODES OÜ kustutatud | 16005867 |
| FOSSEN OÜ | 17442363 |
| KASSIS OÜ | 16032798 |
| KÕRBES OÜ (former name Uus Koht Tartus OÜ) | 16771461 |
| KETSES OÜ | 12865478 |
| KESSEK OÜ | 16410527 |
| INTERNATIONAL RECOVER LOSSES OÜ kustutatud | 12268328 |
| KESSER INVEST OÜ | 14466966 |
| NORDIC HOUSES OÜ | 10577752 |
| ATELJEE HOUSES OÜ | 16128452 |
| KESSEN GRUPP OÜ | 12412446 |
| SOONISTE HORSES OÜ kustutatud | 11015985 |
| UNITED HOUSES OÜ (former name OÜ UNITED PRINTERS) | 11354675 |
| HORSES & CARS OÜ kustutatud | 12091924 |
| JUNIPER HOUSES OÜ | 17060785 |
| ALV HORSES OÜ | 17230224 |
| F&BOSSER OÜ | 17255655 |
| CP HORSES OÜ | 16533909 |
| BIOHACKER HOUSES OÜ | 16395408 |
| AZUL HORSES OÜ | 16111434 |
| KOOSER INVESTMENTS OÜ | 14169010 |
| NIKA HORSES OÜ | 12795097 |
| KISSEL RAVI OÜ | 11131705 |
| LPH HORSES OÜ | 12421103 |
| ENA HOUSES OÜ kustutatud | 16277525 |
| LUMENOR HOUSES OÜ (former name Lumenorhouse OÜ) | 14394942 |