 | NORBYGG AS | 923728902 | SARPSBORG |
| NORBYGG TRONDHEIM AS | 920335772 | TRONDHEIM |
| NORCONSULT NORGE AS | 962392687 | BÆRUM |
| NORDAL BYGGSERVICE AS | 917698953 | TØNSBERG |
| NORDAL MASKIN AS | 990800421 | LOM |
| NORDAN RUBICON AS | 971112298 | KLEPP |
| NORD ARKITEKTUR AS | 986692959 | BÆRUM |
| NORDÅS BETONGFORM AS | 917109524 | EIGERSUND |
| NORDASFALT AS | 950501480 | BODØ |
| NORDAVIND ARKITEKTUR AS | 924489235 | TRONDHEIM |
| NORDBÆK BYGG AS | 820978382 | OSLO |
| NORDBALTIC AS | 995641550 | ÅLESUND |
| NORD-BERG AS | 959618267 | ULSTEIN |
| NORDBØ BYGG AS | 912792730 | STAVANGER |
| NORDBOHUS ASKER OG BÆRUM AS | 979222793 | ASKER |
| NORDBOHUS BYGGSERVICE AS | 838064132 | VERDAL |
| NORDBOHUS INNLANDET AS | 996600319 | GJØVIK |
| NORDBOHUS KONGSVINGER AS | 969041006 | KONGSVINGER |
| NORDBOHUS MODUM AS | 989717588 | MODUM |
| NORDBOHUS ROMERIKE AS | 921744099 | LILLESTRØM |
| NORDBOHUS SOGN AS | 982725216 | SOGNDAL |
| NORDBOHUS TG BYGG AS | 913459555 | TYSVÆR |
| NORDBOLIG HAMAR AS | 964385211 | HAMAR |
| NORDBOLIG INNLANDET AS | 987995998 | HAMAR |
| NORDBØ MASKIN AS | 969042088 | ASKER |
| NORDBØ MASKIN AS | 912628930 | KVITSØY |
| NORDBØ OG SEGLEM AS | 966891483 | HAUGESUND |
| NORD BYGG & BETONG AS | 897153602 | PORSANGER |
| NORDBYGGSERVICE AS | 997284704 | OSLO |
| NORDBY MASKIN AS | 957804438 | NANNESTAD |
| NORDEC OY | 922573972 | |
| NORD EIENDOMSTJENESTER AS | 927456214 | ÅS |
| NORDEN BYGGTJENESTE AS | 814108252 | STANGE |
| NORDENGEN AS | 931561537 | NANNESTAD |
| NORDFJORD HUS AS | 921174152 | STRYN |
| NORDFJORD TAKST CONSULTING AS | 813059282 | STAD |
| NORDFJORD VEGSERVICE AS | 998014166 | STAD |
| NORDHAUG MASKIN AS | 943812578 | SØRREISA |
| NORDHAVN BYGG AS | 980405648 | SARPSBORG |
| NORDHEIM VVS AS | 986426159 | ÅL |
| NORDHORDLAND GRUNN OG BETONG AS | 990193975 | ALVER |
| NORDIC BOLIGUTVIKLING AS | 921326149 | NES |
| NORDIC BYGG AS | 988441074 | TRONDHEIM |
| NORDIC ENTREPRENØR AS | 926590464 | TRONDHEIM |
| NORDIC HEAT SYSTEMS AS | 917506825 | FLEKKEFJORD |
| NORDIC OFFICE OF ARCHITECTURE AS | 920013899 | OSLO |
| NORDIC SPECIAL PROJECT AS | 929255372 | SARPSBORG |
| NORDIC STAR CONSTRUCTION AS | 921174403 | TRYSIL |
| NORDISKA BYGGPORTEN AS | 994512862 | OSLO |
| NORDISK ENERGIKONTROLL AS | 976724321 | LILLESTRØM |