| Company name | Reg. code |
|---|---|
| M&M&CO OÜ | 12594967 |
| M.R & CO OÜ | 16556704 |
| M&CO SERVICES OÜ | 17471614 |
| K&M CO GROUP OÜ kustutatud | 14464200 |
| M.PÄHKLEMÄE & CO LAW OFFICE OÜ | 10938724 |
| CRIMSON PROJECTS OÜ (former name M&Co Events OÜ) | 12684082 |
| MS CODE OÜ | 12043010 |
| MKC & CO OÜ | 14928912 |
| MACAU MED CORP OÜ | 14009654 |
| MORI & CO OÜ | 16678201 |
| MVR CORP OÜ | 17478846 |
| CON MARE OÜ kustutatud | 12178074 |
| MRK CORP OÜ (former name MRKSTAFF CORP OÜ) | 16626463 |
| MTI CORP OÜ kustutatud | 16259875 |
| MAP CODE OÜ kustutatud | 12914863 |
| MAEL & CO OÜ | 16667700 |
| COACH ME OÜ | 14979186 |
| CON MOTO OÜ | 14604925 |
| MHF CORP OÜ kustutatud | 11245325 |
| MUMM & CO OÜ | 12672513 |
| COOL MAN OÜ kustutatud | 12239491 |
| MATE & CO OÜ | 14565838 |
| MR COLOR OÜ | 12734701 |
| MYGO & CO OÜ kustutatud | 14922329 |
| COMPOTEXA OÜ kustutatud (former name Modern concept OÜ) | 14444108 |
| MILLI MAIER & CO OÜ | 12565768 |
| MUSIK & CO OÜ (former name BEYLAR OÜ) | 16380660 |
| CONG MING OÜ kustutatud | 14578122 |
| COPS & MAX OÜ | 10970774 |
| MERIEL CO OÜ | 12027381 |
| MEOW CORP OÜ kustutatud | 14044343 |
| MERMER CO OÜ (former name Mänguplaneet OÜ) | 12216679 |
| MARGE & CO OÜ kustutatud (former name OÜ Saadjärve Jahtklubi) | 10666705 |
| MSK COLOR OÜ | 16833162 |
| COLOUR MS OÜ | 14984555 |
| MAX LTD CO OÜ | 12079320 |
| MAKS MIL COMMERCE OÜ kustutatud | 12685992 |
| MH CONSULT OÜ | 14560642 |
| MV CONSULT OÜ | 16282147 |
| MEELIS & CO OÜ kustutatud | 12114915 |
| MT CONSULT OÜ | 16808069 |
| MENING & CO OÜ | 11006365 |
| MR COMPACT OÜ | 16843752 |
| MS CONSULT OÜ | 12634224 |
| MG COMPANY OÜ | 11474480 |
| ME COMPANY OÜ | 12961845 |
| COOL MINDS OÜ | 16885035 |
| MOGUL COIN OÜ kustutatud | 16213577 |
| MK CONSULT OÜ | 14067580 |
| MI CONSULT OÜ kustutatud | 12488356 |