| Risika Norge AS | Oslo | 2021 |
| Risiko Respons AS | Moss | 2015 |
| Risksmart Inc | Boise Idaho 83704 | 2011 |
| Risskov Bilferie | Ch-6312 Steinhausen | 2013 |
| Ristesund AS | Svelvik | 2024 |
| Ristvedt Og Grande Handel AS | Vinterbro | 2023 |
| Ristøl Maskinutleie Og Entreprenør AS | Arendal | 2022 |
| Risør Dry Coaster AS | Oslo | 2026 |
| Risør Halloween AS | Risør | 2025 |
| Risør Håndtverk & Vaktmestertjeneste AS | Risør | 2011 |
| Risør Shipping Holding AS | Oslo | 1996 |
| Risør Trebåtbyggeri Invest AS | Risør | 2005 |
| Ritas Vaskeservice AS | Skedsmokorset | 2012 |
| Ritland AS | Røyneberg | 2022 |
| Rivair AS | Trondheim | 2022 |
| Rivera P. Eiendom AS | Byglandsfjord | 2011 |
| Riverland AS | Storslett | 2013 |
| Riverty Services Norway AS | Oslo | 1990 |
| Riviera Maritime Media Limited | Middlesex En1 2Qn England | 2019 |
| Riwal Danmark | Dk-5220 Odense Sø | 2016 |
| Riwal Equipment B.V. | Nl-3316Gp Dordrecht | 2013 |
| Rizz AS | Oslo | 2022 |
| RJ Landbrukstjenester AS | Brønnøysund | 2024 |
| RJ Rental AS | Oslo | 2025 |
| RJB Holding AS | Tanem | 2005 |
| Rjukan Events AS | Miland | 2020 |
| RK Bil AS | Mo I Rana | 2015 |
| RK Renhold AS | Skjetten | 2025 |
| RK Travel Group Norway AS | Nesbru | 2017 |
| RKM Invest AS | Hokksund | 2025 |
| RKP Holding AS | Rossfjordstraumen | 2024 |
| RKT Maskinutleie AS | Os | 2014 |
| RL Staffing Solutions AB | Se-96030 Vuollerim | 2012 |
| RLM Finsbury Limited | London Ec2Y 9Ae | 2013 |
| RM Auto AS | Hovin I Gauldal | 2025 |
| RM Drilling Fluid Services Ltd | Kirkcaldy Ky1 2Xj | 2020 |
| RM Vaktmestertjenester AS | Drammen | 2024 |
| RM Well Services Ltd | Ml93Qf Larkhall | 2019 |
| RMB Investering AS | Eidsvåg I Åsane | 2023 |
| RMB Rekruttering AS | Eidsvåg I Åsane | 2023 |
| RMS Crewing AS | Fonnes | 2024 |
| RMZ Constructing Ltd | Gb Lancashire Bb5 4Nz | 2021 |
| RN Utleie AS | Bryne | 2024 |
| Rn-Exploration Limited Liability Company | Ru-121151 Moscow | 2019 |
| RNT Renhold AS | Larvik | 2021 |
| Ro Aa Invest AS | Kjerrgarden | 2019 |
| Roadsecurity AS | Nå | 2026 |
| Roadsurfer GmbH Nuf | De-80797 München | 2024 |
| Roadsurfer Norway AS | Oslo | 2023 |
| Roadsurfer One Vehicle GmbH | De-80797 München | 2025 |
| Roald Hev AS | Hareid | 2025 |
| Roar Wilhelmsen Kran AS | Oslo | 2014 |
| Roatar AB | Se-14 22 Tumba | 2014 |
| Rob Holding AS | Leknes | 2005 |
| Robatoli Holding AS | Ranheim | 2020 |
| Robe Rent AS | Jessheim | 2020 |
| Robella AS | Åsgårdstrand | 2024 |
| Robertsen Investments AS | Paradis | 2020 |
| Robinson Scandinavia AS | Gjøvik | 1986 |
| Robinvest AS | Stordal | 2021 |
| Robust Bemanning AS | Trondheim | 2023 |
| Robust Løsning AS | Halden | 2024 |
| Robust Management AS | Trondheim | 2023 |
| Robust Rental AS | Tananger | 2020 |
| Roche Diagnostics International | Ch-6343 Rotkreuz | 2024 |
| Rockart | Suffolk Ipi9 | 2013 |
| Rockmann Rental AS | Hell | 2020 |
| Rocksburn Ltd | Clydebank G81 3Qw | 2019 |
| Rockston Sthlm AB | 10061 Stockholm | 2012 |
| Rockströms Montage | | 2013 |
| Rockwool B.V. | 6045Jg Roermond | 2021 |
| Rockwool France SAS | Fr-75013 Paris | 2021 |
| Rockwool Global Business Service Senter | Pl-61-872 Poznan | 2021 |
| Roda Invest AS | Finnøy | 2023 |
| Rodion Grupp Ou | 20308 Narva | 2009 |
| Roehampton Ltd | Loughton Essex Ig10 1Lh | 2015 |
| Rog Maskinutleie AS | Romedal | 2022 |
| Rogala Tim Tomatech | 77400 Zlotow | 2010 |
| Rogaland Adventure AS | Stavanger | 2022 |
| Rogaland Bemanning AS | Stavanger | 2025 |
| Rogaland Bilutleie AS | Sandnes | 2020 |
| Rogaland Driftsservice AS | Stavanger | 2014 |
| Rogaland Fasadevask AS | Ålgård | 2021 |
| Rogaland Gartnerservice AS | Stavanger | 2011 |
| Rogaland Høytrykkservice AS | Haugesund | 2015 |
| Rogaland I Miniatyr AS | Stavanger | 2019 |
| Rogaland Limousin AS | Stavanger | 2023 |
| Rogaland Marathon Tour AS | Vikersund | 2000 |
| Rogaland Renhold AS | Tananger | 2021 |
| Rogaland Sjø AS | Hjelmeland | 2014 |
| Rogaland Totalentreprenør AS | Hafrsfjord | 2017 |
| Rogaland Tørrisblåsing AS | Sandnes | 2023 |
| Rogaland Vask AS | Sandnes | 2024 |
| Rogamatter AS | Stavanger | 2019 |
| Rogd AS | Kolbotn | 1997 |
| Rogd Da | Kolbotn | 2002 |
| Roger Kirknes AS | Inderøy | 2023 |
| Roger Kjenås Invest AS | Kongsberg | 2006 |
| Roger Larsen AS | Øvrebø | 2024 |
| Roger Nyhus AS | Brandbu | 2014 |