 | MØRK VVS RØRLEGGERBEDRIFT AS | 920609333 | SKIPTVET |
| MORO-BYGG AS | 929149270 | TRONDHEIM |
| MORTEN BRÅTHEN | 954783782 | INDRE ØSTFOLD |
| MORTEN BRUVOLD AS | 999614361 | LUNNER |
| MORTEN EIDE ARKITEKTER AS | 943783950 | OSLO |
| MORTEN FOSSEN AS | 979964315 | SIGDAL |
| MORTEN GULTVEDT ENTREPRENØR AS | 970903178 | ÅS |
| MORTEN HALHJEM BYGG AS | 917799474 | BJØRNAFJORDEN |
| MORTEN KVAL AS | 980395952 | LILLEHAMMER |
| MORTEN LUDVIGSEN GRAVESERVICE | 968903691 | LØRENSKOG |
| MORTEN NYBROT AS | 990478376 | BJØRNAFJORDEN |
| MORTEN RØR AS | 995360039 | EIGERSUND |
| MORTEN SLAATSVEEN | 986082247 | GJØVIK |
| MORTEN TAK & BYGG MORTEN HOLTUNG | 988743984 | NORDRE FOLLO |
| MOSS BAD OG VARME AS | 930686018 | MOSS |
| MOSS ENTREPRENØR AS | 916135815 | RÅDE |
| MOSS FLIS & BETONG AS | 995256797 | MOSS |
| MOSS GLASS OG FASADE AS | 987415517 | MOSS |
| MOSS RØRLEGGER AS | 933576256 | MOSS |
| MOSS RØRLEGGERSERVICE AS | 976814738 | MOSS |
| MOSS SNØRYDDINGSKOMPANI AS | 923535349 | MOSS |
| MOSS VVS AS | 816173892 | MOSS |
| MOSTER ELEKTRO AS | 990904715 | BØMLO |
| MOSTUE AS | 913184602 | NORDRE FOLLO |
| M. OTTERSHAGEN & SØNN AS | 995709651 | LØTEN |
| MOTUM AS | 818709722 | OSLO |
| MOTUM RULLETRAPPER AS | 921862709 | EIDSVOLL |
| MPFC AS | 922699550 | NITTEDAL |
| MPF ENTREPRENØR AS | 985613338 | OSLO |
| MP RENOVERING AS | 926275690 | BÆRUM |
| MR ENTREPRENØR AS | 930576182 | HOL |
| MR. FUG AS | 920844561 | OSLO |
| MR HÅNDVERK AS | 921565356 | DRAMMEN |
| MR. PUKK AS | 998740908 | OSLO |
| MRS VVS AS | 917983615 | OSLO |
| M.SIVERTSEN BYGG AS | 986998705 | RISØR |
| MT-BYGGTEKNIKK AS | 922943117 | STJØRDAL |
| MT BYGGVERK AS | 997993454 | OSLO |
| MT CABINS AS | 928964213 | AURSKOG-HØLAND |
| MTE AS | 927385546 | SØRREISA |
| MT FLIS AS | 928911993 | TRONDHEIM |
| MTG AS | 941627943 | TRONDHEIM |
| MTK BYGG AS | 919076755 | ULLENSVANG |
| MT KLIMA AS | 820739582 | RINGERIKE |
| M. T .V BYGG & EIENDOM AS | 987995351 | ASKØY |
| MULDBAKKEN BYGG AS | 997991877 | SØR-AURDAL |
| MULTIBETONG AS | 915270646 | NARVIK |
| MULTI BYGG AS | 910854798 | RINGSAKER |
| MULTIBYGG AS INGENIØR- OG ENTREPRENØRFORRETNING | 952720600 | NITTEDAL |
| MULTIBYGG HÅNDVERK AS | 932846225 | NITTEDAL |