 | REIANES MUR & FLIS AS | 989923013 | STRAND |
| REIDAR ANDERSBAKKEN AS | 985963908 | LOM |
| REIDAR EIE AS | 976035690 | STRAND |
| REIDAR MOEN ENTREPRENØRFORRETNING AS | 942681038 | ØVRE EIKER |
| REIDAR SKAGSETH AS | 880407562 | TROMSØ |
| REIDAR STOKKE AS | 943619506 | ÅLESUND |
| REIEL M FAGERLID | 970395652 | STAD |
| REIERSEN ENTREPRENØR AS | 974404702 | NORDRE FOLLO |
| REIERSGÅRD MASKIN | 966116544 | OSLO |
| REIME LANDBRUKSBYGG AS | 985081395 | KLEPP |
| REINERTSEN GRAVING OG UTEOMRÅDE AS | 930821209 | HÅ |
| REINSFELT LANDSKAP AS | 835854272 | NORDRE FOLLO |
| REINSVOLL BYGG OG ANLEGG AS | 921058039 | VESTRE TOTEN |
| REIPÅ KNUSERI AS | 831682442 | MELØY |
| REIS ANLEGG AS | 931983202 | LARVIK |
| REIS BYGG AS | 932618729 | LARVIK |
| REISETER INSTALLASJON AS | 976098307 | ULLENSVANG |
| REISTAD AS | 924691670 | DRAMMEN |
| REIS VVS AS | 925311103 | LARVIK |
| REITAN BYGGPRO AS | 996055663 | HITRA |
| REIULF RAMSTAD ARKITEKTER AS | 978690793 | OSLO |
| REJLERS AS | 995500167 | OSLO |
| REKDAL AS | 921718489 | VESTNES |
| REKKJE STIUTVIKLING AS | 920958893 | SOGNDAL |
| REKKVERK SPESIALISTEN AS | 918318437 | ØYGARDEN |
| REKNES BYGGJEVARER LL | 915354424 | MASFJORDEN |
| REKONSTRUKT AS | 986736255 | HARAM |
| REKORD BYGG AS | 954306445 | VADSØ |
| REKSGÅRD BYGG AS | 914135265 | RINGSAKER |
| REKYL ELEKTRO AS | 929654986 | NORDREISA |
| RE MASKIN AS | 982952875 | HOLMESTRAND |
| REMM RØRLEGGERBEDRIFT AS | 931313568 | LØRENSKOG |
| RENA BLIKKENSLAGERVERKSTED AS | 992111658 | ÅMOT |
| RENA MURSERVICE, JON INGE HØRSANDLIEN | 991017801 | ÅMOT |
| REN ARKITEKTUR AS | 940901162 | KRISTIANSAND |
| RENA RØRSERVICE AS | 931722409 | ÅMOT |
| RENATE BJØRNSTI | 986223711 | HORTEN |
| RENATO GIACOMELLO MUR OG FLIS AS | 997281241 | NESBYEN |
| RENDALEN GRAVESERVICE AS | 911841487 | RENDALEN |
| REN KONSTRUKSJON AS | 932097419 | JEVNAKER |
| R.E.N. MULTI AS | 918034412 | ASKØY |
| RENNEBU HYTTESERVICE AS | 991161244 | RENNEBU |
| RENOTECH AS | 830541012 | NORDRE FOLLO |
| RENOVA DESIGN AS | 922127549 | OSLO |
| RENOVAR AS | 995356791 | OSLO |
| REN RØROS EL-SERVICE AS | 819884412 | RØROS |
| REPCON AS | 932104857 | HOLMESTRAND |
| REPPE BYGGTJENESTER AS | 999627714 | MIDTRE GAULDAL |
| REPPE VVS AS | 915448895 | FRØYA |
| REPSTAD ANLEGG AS | 915372201 | KRISTIANSAND |
| RESELL & NICCA AS | 915448771 | OSLO |
| RE SPESIALPROSJEKT AS | 932749335 | ØRLAND |
| RESTAURERING & BYGG AS | 997234332 | OSLO |
| RETT BAD AS | 920650694 | STAVANGER |
| RETT BYGG AS | 998151783 | LILLESTRØM |
| RETT ENTREPRENØR AS | 925880388 | OSLO |
| RETTE RØR AS | 920772404 | SKIEN |
| RETT HJEM ARKITEKTER AS | 999638821 | TRONDHEIM |
| RETT HJEM EIENDOMMER AS | 991757112 | BERGEN |
| RETURA IR AS | 985711267 | LEVANGER |
| RETURA SOGN & FJORDANE AS | 985226482 | GLOPPEN |
| RETVEDT AS | 917722102 | RINGERIKE |
| REVHEIM MUR OG HAGE AS | 915429947 | OSTERØY |
| REVO ENTREPRENØR AS | 935859743 | SARPSBORG |
| REYRR AS | 825500162 | SANDNES |
| RFB AS | 925553956 | KRISTIANSAND |
| RFG BETONG AS | 930537713 | NORD-FRON |
| RGB ENTREPRENØR AS | 932723697 | OSLO |
| RG BYGGENTREPRENØR AS | 930927112 | FREDRIKSTAD |
| RG FJELLSIKRING AS | 924823755 | LARVIK |
| RGR ELEKTRO AS | 925273481 | BERGEN |
| RGV AS | 915521371 | RINGSAKER |
| RH BYGG AS | 987877065 | EIDSKOG |
| RH KVALITETSBYGG AS | 924701757 | LILLEHAMMER |
| RIBA RÅDGIVENDE INGENIØRER AS | 979886381 | OSLO |
| RIBE ENTREPRENØR AS | 932332817 | LILLESAND |
| RIB INORD AS | 992320885 | ALTA |
| RIB KONSULT AS | 827660302 | DRAMMEN |
| RIEBER PROSJEKT AS | 911678462 | ASKER |
| RIFORM AS | 915101836 | SANDNES |
| RIFT ARKITEKTUR AS | 927485699 | OSLO |
| RIGEO AS | 921836821 | BÆRUM |
| RIIK AS | 928037592 | SØR-VARANGER |
| RIIS BYGG ENTREPRENØR AS | 988400106 | LILLESTRØM |
| RIIS BYGG TRØNDELAG AS | 930700312 | TRONDHEIM |
| RIIS EIENDOM AS | 937757964 | TRONDHEIM |
| RIIS ELEKTRO AS | 967907103 | HALDEN |
| RIIS GLASS OG FASADE AS | 969047780 | TRONDHEIM |
| RIIS-RØNNOW AS | 917676003 | OSLO |
| RIKELEKTRO AS | 991320164 | HALDEN |
| RIKSHEIM CONSULTING AS | 960186516 | ÅLESUND |
| RIKSTAD GRØNTANLEGG AS | 929475712 | TØNSBERG |
| RIKSVOLD AS | 990518475 | VERDAL |
| RINDAL MUR OG BETONG AS | 920801226 | RINDAL |
| RINDALSHYTTER AS | 984057091 | RINDAL |
| RINGBO BBL | 948321475 | RINGERIKE |
| RINGEBU ANLEGGSDRIFT AS | 985668817 | RINGEBU |
| RINGEN RØRSERVICE AS | 920678564 | OSLO |
| RINGERIKE ANLEGGSSERVICE AS | 980502767 | RINGERIKE |
| RINGERIKE KJØLE & FRYSESERVICE AS | 913301714 | RINGERIKE |