| Company name | Reg. code |
|---|---|
| LUNATUM OÜ (former name OÜ Enneta Haigust) | 16052565 |
| LUNARIUM OÜ | 16912424 |
| LUNAKUU OÜ | 16552500 |
| LUNAZUL OÜ | 17107848 |
| LUNARUS OÜ | 17141561 |
| LUNATAR OÜ (former name Aktsiaselts Lunatar) | 10411267 |
| LUNATO OÜ | 17447449 |
| LUNATIC INTERN OÜ kustutatud | 16453131 |
| KALEVIPOJA LUNASTUS OÜ | 14087464 |
| AD LUNAM OÜ | 16832932 |
| LEGATUM OÜ kustutatud | 12745018 |
| QUANTUM2 OÜ (former name ReMoneta OÜ) | 14438651 |
| LAUDATUM OÜ kustutatud | 11613898 |
| FUNDATUM OÜ | 12064531 |
| PUNCTUM OÜ | 11407124 |
| AURATUM OÜ kustutatud | 11517404 |
| QUANTUM OÜ kustutatud | 12306750 |
| UNITUM OÜ | 17061032 |
| QUANTUM SOLUTIONS OÜ kustutatud | 14030536 |
| QUANTUM CAPITAL OÜ kustutatud | 11484260 |
| QUANTUM LEAP OÜ | 17099936 |
| QUANTUM NUTRITION OÜ (former name J&S OÜ) | 11514067 |
| QUANTUM VENTURE OÜ | 16880374 |
| QUANTUM BRIDGE OÜ | 17032671 |
| QUANTUM WAKE OÜ | 16627586 |
| QUANTUM FRENZY OÜ kustutatud (former name Lyra Holdings OÜ) | 16631352 |
| QUANTUM CAPITAL OÜ | 10433148 |
| QUANTUM BRANDS OÜ | 16832613 |
| QUANTUM EVENTS OÜ | 16745400 |
| MGC QUANTUM OÜ | 14249542 |
| QUANTUM MARKETING OÜ | 14144398 |
| QUANTUM INVEST OÜ | 12805565 |
| QUANTUM SATIS OÜ | 17399868 |
| QUANTUM GROUP OÜ kustutatud | 14220024 |
| QUANTUM FUND OÜ (former name Alone Today OÜ) | 12444943 |
| QUANTUM CURE OÜ | 16836746 |
| EMPORIO KUANTUM OÜ | 16624955 |
| QUANTUM SWAN OÜ (former name Block Research OÜ) | 14331108 |
| QUANTUM MEMORY OÜ | 16529010 |
| QUANTUM HORIZON OÜ | 16822773 |
| QUANTUM STUDIUM OÜ (former name TallEst Incentive Travel OÜ) | 12210234 |
| ALPHA QUANTUM OÜ kustutatud | 16023569 |
| QUANTUM ICE OÜ | 16750051 |
| QUANTUM.UK OÜ | 14637758 |
| QUANTUM FUNDS OÜ kustutatud (former name QUANTUM VARAHALDUS OÜ) | 12852234 |
| QUANTUM ICED OÜ (former name Amazing Trading OÜ) | 12351741 |
| QUANTUM PR OÜ | 17056004 |
| FIRST QUANTUM OÜ (former name Gazettiir OÜ) | 16205431 |
| QUANTUM FUGUE OÜ | 10705180 |
| QUANTUM HOLDINGS OÜ | 12537745 |