 | 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 |
| RENOVERING AS | 934792521 | ÅL |
| 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 |
| RINDALS-TRE AS | 984136358 | 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 |
| RINGERIKE VVS AS | 934224868 | RINGERIKE |
| RINGHUS SKIFER-MUR OG FLIS AS | 915507239 | VINJE |
| RINGJORD ELEKTRO AS | 925573779 | TROMSØ |
| RINGLI BYGG AS | 825542612 | ØYSTRE SLIDRE |
| RINGSAKER ELEKTRO AS | 911948745 | RINGSAKER |
| RINGSAKER VEGG- OG TAKELEMENTER AS | 983823920 | RINGSAKER |
| RINGSIDE AS | 915407692 | OSLO |
| RINGSTAD BYGG AS | 982984947 | NES |
| RINGSTAD ODD | 970227016 | INDRE ØSTFOLD |
| RINGVOLL VVS OG VARMEPUMPETEKNISK AS | 996936333 | MOSS |
| RIPO FABRIKA AS | 912878465 | OSLO |
| RISA AS | 980404129 | HÅ |
| RISANGER & SØNN AS | 982146011 | HAUGESUND |
| RISKA SVEIS AS | 933767027 | SANDNES |
| RISNES ELEKTRO AS | 929874390 | ALVER |
| RISOLVE AS | 997667174 | ELVERUM |
| RISØR HEIS OG ELEKTROSERVICE AS | 994272683 | RISØR |
| RISØY BYGG AS | 888106332 | ØYGARDEN |
| RIVENES AS | 915428940 | BERGEN |
| RIVE- OG KNUSESERVICE AS | 980042529 | KRISTIANSAND |