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| MESTERBYGG RINGERIKE AS | 970942408 | RINGERIKE |
| MESTERBYGG SARPSBORG AS | 987195401 | SARPSBORG |
| MESTERBYGG TROMS AS | 998577632 | MÅLSELV |
| MESTERBYGG VESTFOLD AS | 999220959 | SANDEFJORD |
| MESTER EIENDOM TØNSBERG AS | 974538229 | TØNSBERG |
| MESTERFLIS SØR AS | 920934706 | KVINESDAL |
| MESTERGRUPPEN ARKITEKTER AS | 960577493 | BODØ |
| MESTERGRUPPEN BOLIGPARTNER AS | 933224813 | HAMAR |
| MESTERKONSULT AS | 922572798 | TRONDHEIM |
| MESTERLANDA AS | 922906823 | ASKER |
| MESTERLANDSKAP AS | 932290014 | TRONDHEIM |
| MESTERLIG-BOLIG AS | 928791726 | KRISTIANSAND |
| MESTERMO VVS AS | 987742542 | KINN |
| MESTERMUR AS | 982129095 | ELVERUM |
| MESTER NORD AS | 914279461 | HAMMERFEST |
| MESTERPROSJEKT AS | 913265440 | VESTRE TOTEN |
| MESTER RØR AS | 945148462 | KONGSBERG |
| MESTERRØR AS | 931395246 | LEVANGER |
| MESTER-RØR VVS AS | 996778894 | OSLO |
| MESTER-SERVICE AS BYGG- & TØMMERMESTER TERJE WILHELMSEN | 877207862 | LILLESTRØM |
| MESTERTAK AS | 928489701 | SANDEFJORD |
| MESTERTAKET AS | 922994145 | SANDEFJORD |
| MESTERTAKST AS | 889273542 | STAVANGER |
| MESTERTAK TRONDHEIM AS | 989179241 | TRONDHEIM |
| MESTERTØMRERBYGG AS | 924676337 | TRONDHEIM |
| MESTER VANN OG VARME AS | 920702767 | BÆRUM |
| MESTER WESTER & CO AS | 914038413 | ASKER |
| METACON AS | 994925954 | SARPSBORG |
| META LANDSKAP AS | 926433296 | OSLO |
| METALL BYGG AS | 994864947 | KRISTIANSAND |
| METALL BYGG NORD AS | 917804672 | STEINKJER |
| METAMORF ARKITEKTUR AS | 915644740 | STAVANGER |
| METAWELD AS | 988605476 | NORDRE FOLLO |
| METER2 AS | 919097884 | NES |
| METER - ARKITEKTUR AS | 983152317 | FREDRIKSTAD |
| METERSTOKKEN Svein Tøsse | 988817953 | VAKSDAL |
| METKON AS | 831278242 | OSLO |
| METO PRO AS | 990550018 | LÆRDAL |
| METRO RØRLEGGERSERVICE AS | 888847642 | BÆRUM |
| METSÄ DESIGN OG ARKITEKTUR AS | 927946874 | ÅSNES |
| MEYER-EIENDOM AS | 965476296 | OSLO |
| MG ELEKTRO AS | 987027568 | EIGERSUND |
| MG GRAVESERVICE AS | 991097317 | ENEBAKK |
| M. GJERSTAD BETONG AS | 925228338 | BERGEN |
| M GRØNVOLD AS | 977172497 | RINGSAKER |
| MG RØRLEGGERTJENESTER AS | 930784710 | OSLO |
| MH ANLEGG AS | 925741108 | KONGSBERG |
| M. HERNES | 930004952 | NES |