| Company name | Reg. code |
|---|---|
| MORTERON OÜ | 10795213 |
| MORTEN OÜ kustutatud | 12261102 |
| MORTON OÜ | 14538298 |
| MORTERRA GROUP OÜ (former name OOOLALA EESTI OÜ) | 12950095 |
| MORTERING GRUPP OÜ (former name OÜ) | 12867460 |
| MORTELO GRUPP OÜ kustutatud | 11938927 |
| MORTEN EHITUS OÜ | 12830043 |
| MORTEN GROUP OÜ | 11995084 |
| MORTON PROJECT OÜ kustutatud (former name Morton Project UÜ) | 12956583 |
| MORTEN INVEST OÜ | 10673131 |
| MERETRON OÜ (former name Invest Trade OÜ) | 14164521 |
| MARBERON OÜ | 10741772 |
| MONTEROX OÜ kustutatud | 12822799 |
| MONTERAN OÜ | 10932673 |
| MARTESON OÜ | 12783510 |
| MONTEIRON OÜ (former name Monteiron UÜ) | 14876084 |
| SORTEROS OÜ | 11058971 |
| MATTERON OÜ | 12260663 |
| FORTECON OÜ kustutatud | 12174811 |
| HARTERON OÜ | 11556930 |
| MONETRON OÜ (former name Moneenu OÜ) | 12835603 |
| FORGERON OÜ | 14833867 |
| MIRTEKON OÜ (former name Mirtekon UÜ) | 14439780 |
| MERKERON OÜ | 12489727 |
| VOLTERON OÜ | 16012117 |
| MARTERON SERVICE OÜ (former name Marteron Service UÜ) | 17309078 |
| MODERON OÜ | 11942061 |
| MOTERNO OÜ | 17261880 |
| ERTERON OÜ kustutatud | 11078229 |
| OPTERON OÜ | 11126365 |
| MOTEKON OÜ (former name Motekon UÜ) | 14354523 |
| FORTEON OÜ | 17042706 |
| MIRTRON OÜ | 11561109 |
| MARTELON GRUPP OÜ | 11034901 |
| MARTECON EHITUS OÜ | 12928032 |
| PROTERON LIMITED OÜ | 14463946 |
| MARTECON HOLDING OÜ kustutatud | 12949353 |
| MARTECON GROUP OÜ kustutatud | 10296970 |
| FERMATEX OÜ (former name Morton Trading OÜ) | 12926487 |
| PORTERO GKS OÜ | 17328644 |
| MARVERON CONSTRUCTION MANAGMENT OÜ (former name Marveron Service UÜ) | 17047750 |
| MAISON DU FORGERON OÜ (former name Viisitamm Kinnisvara OÜ) | 14336442 |
| CLAM BROTH OÜ (former name ARRUCO OÜ) | 10940649 |
| ELPO CONSULTING OÜ (former name Sortero OÜ) | 14698010 |
| MENTUSINTU OÜ (former name Scandmax OÜ) | 12960679 |