 | M3 BETONG AS | 929112091 | KVAM |
 | M3 MASKIN AS | 933436098 | SKIEN |
 | M4 ENTREPRENØR AS | 926500449 | BÆRUM |
 | MA BYGG & VVS AS | 929094018 | OSLO |
 | MAC ENTREPRENØR AS | 925781576 | MOSS |
 | MAD ARKITEKTER AS | 916087578 | OSLO |
 | MADSEN ELEKTRO AS | 997391063 | INDERØY |
 | MADSEN ENTREPRENØR AS | 934640462 | VESTRE TOTEN |
 | MÆLAND RØR AS | 887574952 | HÅ |
 | MÆLEN BLIKK OG VENTILASJON AS | 919653191 | TRONDHEIM |
 | MÆLEN MASKIN AS | 919924012 | ORKLAND |
 | MAEM BYGGSERVICE AS | 923167064 | ORKLAND |
 | MA ENTREPRENØR AS | 990250448 | OSLO |
 | MAE PROSJEKT AS | 933901637 | LIER |
 | MÅGE&NISTAD BYGG AS | 993587753 | KVINNHERAD |
 | MAGNA PROSJEKT SØR AS | 823569262 | LINDESNES |
 | MAGNAR INSTANES AS | 989995502 | ULLENSVANG |
 | MAGNAR LUND MASKIN AS | 989986384 | FLEKKEFJORD |
 | MAGNAR SKJÆVELAND MURMESTER | 970112243 | SANDNES |
 | MAGNAR STOKKE AS | 914415888 | MELHUS |
 | MAGNE DAG BRAGELIEN | 970956808 | SEL |
 | MAGNE HAFSTAD AS | 974536935 | SUNNFJORD |
 | MAGNE HELLAND AS | 990970203 | BJERKREIM |
 | MAGNE MAGLER WIGGEN SIVILARKITEKTER MNAL AS | 979423705 | OSLO |
 | MAGNE OG JAN BERGET ANLEGGSDRIFT AS | 933846539 | ØVRE EIKER |
 | MAGNE OPLAND AS | 976755421 | VEFSN |
 | MAGNE SVEEN AS | 860318822 | VESTRE TOTEN |
 | MAGNETUN MASKIN AS | 815185382 | GOL |
 | MAGNUS EICHINGER VASSBOTN | 985305757 | VOLDA |
 | MAGNUS M THUNESTVEDT AS | 937610440 | OSTERØY |
 | MAGNUS TRANDEM AS | 925815349 | INDRE ØSTFOLD |
 | MAJO BYGG AS | 831097272 | ALVER |
 | MAKE ARKITEKTER AS | 813016702 | OSLO |
 | MAKE MAKE AS | 927761807 | OSLO |
 | MALAK RØRSERVICE AS | 913916034 | OSLO |
 | MALARCHITECTURE AS | 998597919 | OSLO |
 | MALERCOMPAGNIET OSLO AS | 960992482 | OSLO |
 | MALERFIRMA MONSEN AS | 995474115 | BERGEN |
 | MALERHUSET AS | 988118656 | OSLO |
 | MALERMESTER BUER AS | 819391122 | LILLESTRØM |
 | MALERMESTER JENS PETTER LUNDE AS | 939640533 | OSLO |
 | MALERMESTER MEUSBURGER AS | 924447788 | ULLENSVANG |
 | MALERMESTER ROALD HEPSØ AS | 958222688 | SKAUN |
 | MALERMESTER STUDSRUD AS | 880387642 | MARKER |
 | MALERMESTER STURE BRÆKSTAD AS | 976523822 | TRONDHEIM |
 | MALERMESTRENE JUUHL & BRATFOSS AS | 997327888 | OSLO |
 | MALER'N KARLSEN AS | 992334754 | GAUSDAL |
 | MALERSENTRALEN AS | 990062773 | HARSTAD |
 | MALERSTUEN BYGG AS | 927456117 | NORDRE FOLLO |
 | MALMIN ENTREPRENØR AS | 914561345 | SANDNES |