| Company name | Reg. code |
|---|---|
| MERSOK OÜ | 10508811 |
| MERTOK EHITUS OÜ (former name Mertok Ehitus UÜ) | 14933439 |
| MERSON PROPERTIES OÜ | 16457457 |
| MERLOM OÜ | 14770121 |
| MERNOR OÜ | 14619192 |
| MERMIK OÜ kustutatud | 14569710 |
| MERLOCK OÜ | 14803180 |
| MERDOF OÜ kustutatud | 10463971 |
| MERLOS OÜ | 14826241 |
| MERION OÜ | 12056224 |
| MEROOS OÜ | 16004678 |
| MEROSA OÜ | 17387523 |
| MERISK OÜ kustutatud | 14121664 |
| MERSAL OÜ kustutatud | 12745171 |
| MERRON OÜ | 12900683 |
| MERDOC OÜ | 14143192 |
| MERSCH OÜ | 16748479 |
| MERKOS OÜ | 10185360 |
| MERKON BALTIC OÜ kustutatud | 12486769 |
| MERION HALDUSE OÜ | 11121876 |
| MERLOS INVEST OÜ | 14430939 |
| MERLON TRANS OÜ (former name Merlon Trans UÜ) | 16653773 |
| MERISK INSIGHTS OÜ | 17246644 |
| EST MERCOR OÜ (former name Gourmet Foods OÜ) | 12930023 |
| MERKON HALDUS OÜ kustutatud (former name Merkon Hooldus UÜ) | 12949413 |
| MEREOR AT OÜ | 11306274 |
| MERLON EHITUS OÜ | 12946290 |
| MERGOS PRODUCTIONS OÜ | 16546511 |
| MERKON PROJEKT OÜ (former name Merkon Teenus UÜ) | 16132258 |
| MEROON EHITUS OÜ | 10352504 |
| MERITK PHOTOGRAPHY OÜ | 17077975 |
| SUPRE MERCEK OÜ kustutatud | 14410948 |
| MERROS STUUDIO OÜ | 12752969 |
| MERPOR EHITUS OÜ | 12065252 |
| MERLOT GROUP OÜ | 11855549 |
| MERLON KV OÜ (former name Merlon Kaubandus UÜ) | 16001119 |
| DIGGER EXPORT OÜ kustutatud (former name Merkon OÜ) | 14109901 |
| MERTOO OÜ kustutatud | 14162947 |
| MERTEK OÜ | 12229202 |
| MERXON OÜ | 14492538 |
| MERUSK OÜ | 11497624 |
| MERSIR OÜ | 12449389 |
| MERTON OÜ | 10334185 |
| MELSOF OÜ | 16958751 |
| KERTOK OÜ | 12579330 |
| MARSON OÜ | 14245248 |
| MEDSOL OÜ | 14235882 |
| AMERSON OÜ | 16492413 |
| MEESAK OÜ kustutatud | 14521547 |
| LERSON OÜ | 10815016 |