 | RSØ CONSULT AS | 931620029 | ØRSTA |
| RS RØR AS | 916594402 | RINGERIKE |
| RS RØR SERVICE AS | 923049827 | OSLO |
| R.S STÅL AS | 919026057 | ØRLAND |
| RS TØMRERSERVICE AS | 916162510 | INDRE ØSTFOLD |
| RTEK ENTREPRENØR AS | 927310899 | KARASJOK |
| RTH PROSJEKT AS | 997079760 | FREDRIKSTAD |
| RTMA AS | 831250402 | BÆRUM |
| RUBBHALL AS | 929363477 | KRØDSHERAD |
| RUD AS | 996516520 | ASKER |
| RUDI BYGG AS | 817181112 | SULA |
| RUDI & SKOGUM BYGG AS | 976376099 | SEL |
| RUD RØRLEGGER AS | 999326552 | LILLEHAMMER |
| RUFA TRADING AS | 992431326 | STAVANGER |
| RUGTVEDT BYGG AS | 924436328 | PORSGRUNN |
| RUNAA AS | 985727767 | SEL |
| RUNAR RYGH LANGUM | 981359240 | DRAMMEN |
| RUNE BORE | 996416666 | KLEPP |
| RUNE BREKKA AS | 911673169 | KRAGERØ |
| RUNE EKREN VVS | 992110066 | MELHUS |
| RUNE JOHANNESSEN AS | 980840956 | BERGEN |
| RUNE NORDAHL ENTREPRENØRFORRETNING AS | 962071228 | BERGEN |
| RUNE ROMSDAL AS | 923485104 | NORDRE FOLLO |
| RUNE SANDVIK AS | 980011305 | KINN |
| RUNE'S MASKIN AS | 889765852 | TYSNES |
| RUNE TALBERG RØRLEGGER AS | 916715080 | SARPSBORG |
| RUNE VAADAN AS | 992815604 | TRONDHEIM |
| RUNE W. JOHANSEN BYGNINGSFIRMA AS | 987988584 | FÆRDER |
| RUNO AS | 984754035 | NES |
| RUPRO AS | 928891275 | ORKLAND |
| RUSÅNES FABRIKKER AS | 928759393 | SALTDAL |
| RUSTAD & ROSENBERG MASKIN AS | 922558477 | HAMAR |
| RUSTUGUSETRA AS | 918147616 | NORD-FRON |
| RUTA ENTREPRENØR AS | 983830196 | TRONDHEIM |
| RUTLEDAL ELEKTRO AS | 932195429 | BERGEN |
| RUTLE VVS AS | 975963764 | ULLENSVANG |
| RUUD ENTREPRENØR 1 AS | 984548788 | OSLO |
| RVS AS | 976878949 | ØVRE EIKER |
| RVS EIENDOMSDRIFT AS | 868914432 | MOSS |
| RW GRAVESERVICE AS | 929221729 | BÆRUM |
| RYCON AS | 986600825 | STRAND |
| RYENG ANLEGG AS | 971215542 | STORFJORD |
| RYENS RØRSERVICE AS | 919468637 | SARPSBORG |
| RYEN VVS AS | 911910292 | OSLO |
| RYFYLKE BETONGSERVICE AS | 915865054 | STAVANGER |
| RYFYLKE ELEKTRISKE AS | 962927033 | STRAND |
| RYFYLKE ELEKTRO AS | 987814136 | SAUDA |
| RYFYLKE FORSKALING AS | 895695092 | STRAND |
| RYGEHUS AS | 912586944 | KLEPP |
| RYGEHUS BYGGFORNYELSE AS | 918444416 | KLEPP |