 | RØD BRANNTEKNIKK AS | 931400169 | SARPSBORG |
| RØD BYGG OG EIENDOM AS | 924368608 | FREDRIKSTAD |
| RODEO ARKITEKTER AS | 915062296 | OSLO |
| RØED AS | 918559949 | ØVRE EIKER |
| ROGALAND BRANN OG SIKKERHET ANS | 970890742 | HAUGESUND |
| ROGALAND BYGG & BETONG AS | 818765762 | GJESDAL |
| ROGALAND ELEKTRO AS | 981513886 | STAVANGER |
| ROGALAND INDUSTRI AUTOMASJON AS | 920325637 | STAVANGER |
| ROGALAND KULDE AS | 980783952 | SANDNES |
| ROGALAND MONTASJE BYGG AS | 892581002 | STAVANGER |
| ROGALANDS REHABILITERING AS | 921664621 | STAVANGER |
| ROGALAND TAK AS | 916213395 | SANDNES |
| ROGALAND VVS AS | 917661375 | STAVANGER |
| ROGER AAMODT BYGG AS | 988412988 | KRISTIANSAND |
| ROGER EKREN MASKIN AS | 997843789 | ØYGARDEN |
| ROGER JORDALEN MASKIN AS | 976220196 | ØYGARDEN |
| ROGER NILSEN AS | 983145612 | GRANE |
| ROGERS MASKIN & TRANSPORT ROGER N LEIRVIK | 951341533 | NARVIK |
| ROGNAN BYGGSENTER AS | 974406446 | SALTDAL |
| ROGNAN RØRSERVICE AS | 973197118 | SALTDAL |
| ROGNE BYGG AS | 976135253 | ØYSTRE SLIDRE |
| ROGNE KYSTMILJØ AS | 924505958 | NAMSOS |
| ROGNSTAD VVS AS | 979938217 | HURDAL |
| ROGSTAD & ODDEN AS | 919695803 | FOLLDAL |
| ROHA AS | 933880818 | ASKER |
| ROJO ARKITEKTER AS | 951770930 | TRONDHEIM |
| RØKENES AS | 966550015 | ALTA |
| R O LARSEN MASKIN AS | 998431735 | TØNSBERG |
| ROLF ANDREASSEN AS | 865473362 | FREDRIKSTAD |
| ROLF B. MOBERG CAND.PHILOL./ARCHITECT WITH LICENSE IN NORWAY. ACCORDIONIMPORT. | 929105702 | BERGEN |
| Rolf Døli A/S | 946943967 | SØR-ODAL |
| ROLF GROHS AS | 916076770 | SKIEN |
| ROLF KRISTIANSEN | 955216849 | FROGN |
| ROLF LEVORSEN AS | 879637732 | NORE OG UVDAL |
| ROLF OG RONNY MASKIN AS | 981439821 | TRYSIL |
| ROLF OLAV KNUTSEN | 991009647 | FROLAND |
| ROLFS GRAVING OG PLANERING AS | 927886278 | SKIEN |
| ROLLAND VVS AS | 834515202 | BERGEN |
| ROLV EIDE AS | 988367060 | ØYGARDEN |
| ROLV SNARE AS | 932106817 | KONGSVINGER |
| ROLVSØY BYGG AS | 995698323 | SARPSBORG |
| ROMARHEIM ENTREPRENØR AS | 997050789 | ALVER |
| ROMERIKE ANLEGGSDRIFT AS | 964460469 | ULLENSAKER |
| ROMERIKE BAD AS | 999198570 | ULLENSAKER |
| ROMERIKE ELEKTRO AS | 976494881 | ULLENSAKER |
| ROMERIKE GEOTEKNIKK AS | 926732617 | LILLESTRØM |
| ROMERIKE GRAVING OG TRANSPORT V/PER-CHRISTIAN AAS | 969098865 | ULLENSAKER |
| ROMERIKE HUS AS | 891141092 | RÆLINGEN |
| ROMERIKE MASKIN AS | 985479569 | NES |
| ROMERIKE OPPMÅLING AS | 979376499 | LILLESTRØM |