| Ranum Drift AS | Overhalla | 2004 |
| Rapid Domain Register Ltd | London W1H 6Hn | 2015 |
| Rapid Gruppen AS | Aurskog | 1994 |
| Rapid Productions Ans | Oslo | 2004 |
| Rappo S.R.L. | It-20047 Cusago Milano | 2024 |
| Rara Holding AS | Svensby | 2018 |
| Ras AS | Trondheim | 2012 |
| Rasa Service AS | Torvastad | 2020 |
| Rasch AS | Kristiansand S | 2018 |
| Rasch Utleie AS | Kristiansand S | 2024 |
| Rascon Holding AS | Nesøya | 1996 |
| Rask Hjelp AS | Lørenskog | 2026 |
| Rask Renhold AS | Bergen | 2012 |
| Rask Vask AS | Sandnes | 2022 |
| Raskpåfoten AS | Sandnes | 2019 |
| Raskt & Ryddig AS | Oslo | 2021 |
| Rasmussen TT AS | Utskarpen | 2022 |
| Rassidalen Utleie AS | Tørberget | 2018 |
| Rast Partner AS | Hardbakke | 2015 |
| Rast Sauna AS | Stavanger | 2023 |
| Ratb Da | Oslo | 2023 |
| Ratb Soundsystems Da | Ål | 2025 |
| Ratex Skadedyr Og Inneklima AS | Stabekk | 2021 |
| Ratt Og Spade AS | Røyneberg | 2021 |
| Raufoss Beredskap AS | Oslo | 2001 |
| Rauland Adventure AS | Rauland | 2024 |
| Rauland Fjellservice AS | Rauland | 2026 |
| Rauland Turist AS | Rauland | 1994 |
| Rauland Vaktservice AS | Rauland | 2013 |
| Rauma Lift AS | Åndalsnes | 1995 |
| Rauma Tak Og Fasadevask AS | Isfjorden | 2024 |
| Raumtechnik Messebau & Event Services GmbH | 73760 Ostdildern | 2022 |
| Raundalen Og Vossestrand Skiandelslag SA | Nesttun | 2014 |
| Ravema AB | Se-331 24 Värnamo | 2011 |
| Raven Consulting Bvba | Be-1000 Brussels | 2013 |
| Raven Security AS | Søre Osen | 2023 |
| Ravenga Rådgivning Ans | Barkåker | 2000 |
| Ravestein Container Pontoon BV | 6653Kd Deest | 2020 |
| Ravlo AS | Overhalla | 2025 |
| Ravn Norway Limited Nuf | Oslo | 2024 |
| Ravneng Lyd Og Musikk AS | Skjeberg | 2015 |
| Ravnkloa 2025 AS | Trondheim | 2024 |
| Razan Renhold AS | Laksevåg | 2012 |
| RB Bergen AS | Oslo | 2003 |
| RB Trading AS | Sola | 2016 |
| RB Tun AS | Sola | 2025 |
| Rbel Holding AS | Hyggen | 2013 |
| Rbf-Gruppen AS | Horten | 2025 |
| RBH Gruppen AS | Frekhaug | 2020 |
| RBR AS | Kristiansand S | 2008 |
| RBS AS | Gjemnes | 2015 |
| RCC Petroplan Ltd | Sandnes | 1998 |
| RCD Holding AS | Frekhaug | 2017 |
| RCG AS | Nittedal | 2018 |
| RCG International LBN | Lb-Zouk Mosbej | 2022 |
| RCL Cruises Ltd Nuf | Kt13 0Xw Weybridge Surrey | 2010 |
| Rcode 33 Ltd Nuf | N146Qh, London, Southgate | 2011 |
| RCV International Ltd | London W1K 3Hz England | 2023 |
| RD Servicepartner AS | Tjøme | 2012 |
| RDM V/Ronel Duvan Moreira | Stavanger | 2012 |
| Re Maskindrift AS | Oslo | 2022 |
| Re Vei & Vedlikehold AS | Revetal | 2020 |
| Re-Fresh Services AS | Oslo | 2016 |
| Re-Hab AS | Ramnes | 2016 |
| Re-Rent AS | Ågotnes | 2018 |
| Re-Spons Ans | Oslo | 2003 |
| Re-Torvet AS | Revetal | 2011 |
| Reach Remote AS | Haugesund | 2022 |
| Reach Subsea Cyprus Limited | Billingstad | 2011 |
| Reach Subsea Pte Ltd | Sg-609274 Singapore | 2024 |
| Reach Subsea UK Limited | Ab32 6Fl Westhill, Aberdeenshire | 2015 |
| React AS | Hundvåg | 2012 |
| Read Cased Hole Ltd | Aberdeen Ab23 8Gw Scotland | 2017 |
| Readysetisland AS | Oslo | 2026 |
| Real Cleaning AS | Bergen | 2025 |
| Real Eiendomsforvaltning Norge AS | Mo I Rana | 2021 |
| Real Eiendomsservice AS | Heimdal | 2019 |
| Real Facility Services AS | Drammen | 2021 |
| Real Service Partner AS | Drammen | 2019 |
| Realcrew AS | Våle | 2011 |
| Realtor Renhold AS | Horten | 2014 |
| Reasontogo AS | Tvedestrand | 2021 |
| Reasp AS | Høvåg | 2020 |
| Rebecca M Madland Holding AS | Oslo | 2021 |
| Rebell Production AS | Hosle | 2016 |
| Rebil AS | Sandnes | 2003 |
| Rebo Eiendom AS | Akland | 1995 |
| Recanto Zumbi | Skien | 2007 |
| Reception Technologies AS | Oslo | 2025 |
| Recovery Asset Management AS | Stavanger | 2011 |
| Recrew HR SP. Z O.O. Nuf | 80-244 Gdansk | 2026 |
| Recruit 121 Limited | Cardiff Cf24 0El | 2012 |
| Recruit AS | Søfteland | 2022 |
| Recruitable AS | Vollen | 2021 |
| Recruitc AS | Trondheim | 2018 |
| Recruiter AS | Oslo | 2025 |
| Recruiting in Norway AS | Kragerø | 2020 |
| Recruitmore Sverige AB | Se - 662 31 Åmål | 2023 |
| Recruitr AS | Tromsø | 2022 |
| Recrutia AS | Drammen | 2012 |