| Company name | Reg. code |
|---|---|
| M8M HOLDING OÜ | 14871164 |
| M.O.M. HOLDING OÜ kustutatud | 10966287 |
| M HOLDING OÜ | 16394998 |
| M2 HOLDING OÜ | 16863631 |
| M7 HOLDING OÜ | 16964467 |
| M. HULSING HOLDING OÜ | 16885213 |
| M&O HOLDING OÜ kustutatud (former name D&M Holding) | 12769757 |
| M.S. HOLDING OÜ | 10646795 |
| M HOLDING CORP OÜ (former name E&M APPLICATIONS OÜ) | 14195616 |
| L.M. HOLDING OÜ | 14058730 |
| C2M HOLDING OÜ (former name Anagram Investments OÜ) | 14533065 |
| G&M HOLDING OÜ | 17165142 |
| 2M4R HOLDING OÜ | 14271145 |
| L.M.V. HOLDING OÜ | 14678562 |
| K.T.M HOLDING OÜ | 17278998 |
| L.M.G HOLDING OÜ | 16654784 |
| M.A.C.F. HOLDING OÜ | 14430589 |
| MR HOLDINGS OÜ (former name M.R. Holding OÜ) | 12375633 |
| M7 ADVISORY OÜ (former name M7 EST HOLDING OÜ) | 14339860 |
| CARMARKS GRUPP OÜ (former name GoodWork Holding OÜ) | 16397146 |
| KRISTINE KONSULTATSIOONID OÜ (former name Bliss Holding OÜ) | 12138985 |
| M23 HOLDINGS OÜ kustutatud | 14638255 |
| M&F HOLDINGS OÜ kustutatud (former name Coinraise OÜ) | 14383401 |
| HK MANAGEMENT OÜ (former name H.E.M Holding OÜ) | 16172619 |
| A&M HOLDINGS OÜ kustutatud | 11448904 |
| G4M3R HOLDINGS OÜ | 16813082 |
| EESTI HARIDUS- JA MAJANDUSTEADUSTE AKADEEMIA OÜ (former name Baltic Holdings Group OÜ) | 12511355 |
| M.T. HOUSING OÜ | 14750213 |
| MJ HOLDING OÜ | 16109093 |
| MV HOLDING OÜ | 14172868 |
| MI HOLDING OÜ kustutatud | 12004730 |
| MG HOLDING OÜ kustutatud | 12039705 |
| MK HOLDING OÜ | 11198353 |
| MT HOLDING OÜ | 12565204 |
| MJC HOLDING OÜ kustutatud | 12922213 |
| MHE HOLDING OÜ | 14982900 |
| MP HOLDINGS OÜ | 14473788 |
| MTJ HOLDING OÜ kustutatud | 12781698 |
| MX HOLDINGS OÜ | 14861148 |
| MRO HOLDING OÜ kustutatud | 16712381 |
| MBD HOLDING OÜ | 16192326 |
| MTR HOLDING OÜ (former name Mugatu OÜ) | 12356156 |
| MTE HOLDING OÜ kustutatud | 12145040 |
| MCE HOLDING OÜ kustutatud | 12869482 |
| MRV HOLDING OÜ | 12177465 |
| MIA HOLDING OÜ | 17229863 |
| MSM HOLDING OÜ kustutatud | 12018057 |
| MLM HOLDING OÜ kustutatud | 12762652 |
| MVM HOLDING OÜ | 16103914 |
| MAV HOLDING OÜ kustutatud | 14101058 |