| Company name | Reg. code |
|---|---|
| NEXTRUM OÜ | 11925971 |
| NEXTEUM OÜ | 14512755 |
| NEXTUM DEVELOPMENT OÜ kustutatud (former name Nextum Development UÜ) | 12998206 |
| NEXTRRA OÜ kustutatud | 16420661 |
| NEXTFUN OÜ (former name Lebo Grupp OÜ) | 14494520 |
| NEXIREM OÜ | 11040273 |
| NEXTRON OÜ | 16021797 |
| NEXTIM OÜ kustutatud | 11052325 |
| NEXLUM OÜ | 17131677 |
| NEXTUP OÜ | 17137022 |
| NEXTRE OÜ | 14082987 |
| NEXTIM INTERNATIONAL OÜ kustutatud | 12119479 |
| NEXURU INTERNATIONAL OÜ | 17427168 |
| NEUTRUM VIIMISTLUS OÜ kustutatud | 11665659 |
| MENTRUM OÜ | 16283997 |
| WELTRUM OÜ | 14415360 |
| NOSTRUM OÜ kustutatud | 12372103 |
| NESTRAM OÜ kustutatud | 10625451 |
| NEETIUM OÜ | 16515676 |
| FIXTRUM OÜ (former name Fixtrum UÜ) | 14692510 |
| WESTRUM OÜ | 10539036 |
| CENTRUM OÜ | 16921618 |
| TESTRUM OÜ | 14553145 |
| MEETRUM OÜ | 14345085 |
| VECTRUM OÜ | 16991978 |
| NETRAM OÜ | 12966558 |
| NETROM OÜ | 14736986 |
| NETOUM OÜ | 16748686 |
| ESTRUM OÜ | 10308472 |
| EXTROM OÜ | 10904085 |
| LETRUM OÜ | 10914876 |
| NITRUM OÜ | 16001510 |
| NETRUN OÜ kustutatud | 10660068 |
| ELTRUM OÜ | 10008132 |
| NESTUM OÜ | 17424916 |
| NEXUM CONSULT OÜ | 11257498 |
| NEXUM DIGITAL OÜ | 17391909 |
| NEXUM SYSTEMS OÜ | 17456359 |
| CENTRUM CONSULTING OÜ | 10565654 |
| NOSTRUM CAPITAL OÜ | 12925329 |
| ESTLOGISTIC CENTRUM OÜ | 14358455 |
| BIOMASS CENTRUM OÜ (former name BioMass OÜ) | 17295330 |
| AKORDION CENTRUM OÜ | 10633031 |
| CREDIT CENTRUM OÜ kustutatud | 12026223 |
| ASAG CENTRUM OÜ | 12041872 |
| OKTA CENTRUM OÜ | 17079276 |
| CENTRUM OPTIKA OÜ | 10489516 |
| VESTRUM SOFTWARE OÜ | 14798255 |
| VENTRUM MEDICUM OÜ | 12617757 |
| SPARES CENTRUM OÜ | 12530128 |