| Recursion Allowed 13 Ltd Nuf | N146Qh, London, Southgate | 2008 |
| Recursion Desired 12 Ltd Nuf | N146Qh, London, Southgate | 2008 |
| Red Carpet Travels AS | Trondheim | 2018 |
| Red Devils AS | Mandal | 2016 |
| Red Event AS | Oslo | 2005 |
| Red Group Travel Solutions AS | Sandefjord | 2016 |
| Red Panda Travel AS | Oslo | 2024 |
| Red Rooster Lifting Limited | Stavanger | 2013 |
| Red Rose Event AS | Auli | 2026 |
| Redbuss AS | Oslo | 2016 |
| Rede People AS | Oslo | 2022 |
| Rederiet BSC AS | Bergen | 2021 |
| Redicom AS | Trondheim | 2023 |
| Redneck Waldemar Kostowski | 46-070 Komprachcice | 2007 |
| Redningsverket Utleie AS | Råde | 2016 |
| Redoit AS | Oslo | 2021 |
| Redwise Maritime Recruitment B.V. | 3751 Lk Bunschoten Spakenburg | 2007 |
| Reed & Mackay Norge AS | Sarpsborg | 2012 |
| Reed AS | Førde | 2021 |
| Reel Alesa Ltd | Ca-H3P 2V9 Town Of Mount Royal (Qc) | 2019 |
| Reemtsma Cigarettenfabriken GmbH | Oslo | 2010 |
| Refi Kontortjenster Da | Bergen | 1997 |
| Refino AS | Sandnes | 2025 |
| Reflection Marine Norge AS | Laksevåg | 2018 |
| Reflekt Helse AS | Oslo | 2009 |
| Reflekt Oppvekst AS | Oslo | 2010 |
| Reforhandle AS | Kråkerøy | 2026 |
| Refresco Norway Holding AS | Fyresdal | 2025 |
| Refur AS | Jessheim | 2026 |
| Regine AS | Sandvika | 1989 |
| Regionalt Pilegrimssenter Stiklestad AS | Verdal | 2016 |
| Registrar AS | Oslo | 2000 |
| Regn Eiendom AS | Hjellestad | 2005 |
| Regnbuedagene I Bergen AS | Bergen | 2018 |
| Regnskap Ledelse AS | Oppdal | 2017 |
| Regnskapsbistand Nord AS | Storslett | 1996 |
| Regnskapspartner AS | Ålesund | 1986 |
| Regnskyen AS | Tromsø | 2016 |
| Regovs Aps | Dk-8620 Kjellerup | 2022 |
| Rehabilitering Spesialisten AS | Larkollen | 2024 |
| Rehn Rekruttering Ltd Nuf | Tolvsrød | 2007 |
| Reidar Ulvøy Subsea Intervention AS | Austrheim | 2026 |
| Reidarbua Da | Bremanger | 2004 |
| Reim AS | Sande I Vestfold | 2013 |
| Rein Service AS | Vinstra | 2022 |
| Rein Tek AS | Bjørkelangen | 2008 |
| Rein Trivsel AS | Vik I Sogn | 2006 |
| Rein Tur Ut AS | Lyngseidet | 2025 |
| Reinas Sweden AB | Se-18 279 Stocksund | 2022 |
| Reindeer Experience Tromsø AS | Tromsø | 2025 |
| Reinerts Utleie AS | Røyksund | 1994 |
| Reinetun AS | Ørsta | 2015 |
| Reinhaldsservice AS | Storebø | 2022 |
| Reinhart Hydrocleaning Nuf | Ch-2822 Courroux | 2016 |
| Reinholdtsen Multiservice AS | Myre | 2022 |
| Reinslivegen Veilag SA | Valsøybotn | 1995 |
| Reint AS | Aurland | 2010 |
| Reipå Hallutleie AS | Reipå | 2025 |
| Reis & Nyt Sør-Helgeland SA | Brønnøysund | 2025 |
| Reis FM AS | Larvik | 2025 |
| Reis Frosta AS | Frosta | 2025 |
| Reis Renhold AS | Larvik | 2025 |
| Reisa Outdoor AS | Storslett | 2021 |
| Reisburo BBL Groningen Bv/Bbi Travel | Nl-9761 Tk Eelde | 2018 |
| Reise AS | Tromsø | 2024 |
| Reise Experten AS | Finnøy | 2015 |
| Reise Og Konferanseservice AS | Rolvsøy | 2004 |
| Reiseakademiet AS | Gamle Fredrikstad | 2019 |
| Reisebazaar AS | Oslo | 2009 |
| Reisebyrået Din Ferie AS | Drammen | 1997 |
| Reisebyrået Stord Eyvind Nitter AS | Stord | 1980 |
| Reisegnister AS | Vågå | 2009 |
| Reisehuset AS | Oslo | 1984 |
| Reiseklubben Da | Krokelvdalen | 2001 |
| Reisekonsulenten AS | Lillehammer | 2024 |
| Reiselederen AS | Fagerstrand | 2017 |
| Reiselyst Og Norwegian Cruise Center AS | Mjøndalen | 1989 |
| Reisemål Ryfylke AS | Jørpeland | 1995 |
| Reiser & Opplevelser AS | Kongsvinger | 2005 |
| Reiseservice AS | Horten | 2018 |
| Reiseshop AS | Randaberg | 1997 |
| Reiseteam AS | Haugesund | 2020 |
| REISEVERT1 AS | Trondheim | 2025 |
| Reistveit Holding AS | Sandefjord | 2007 |
| Reitan Convenience AS | Oslo | 2001 |
| Reitan Convenience Norway AS | Oslo | 2001 |
| Reitan Multiservice AS | Spillum | 2022 |
| Reitun Maskinlag SA | Levanger | 1997 |
| Rekdal Utleie AS | Vestnes | 2025 |
| Reke Event AS | Ræge | 2020 |
| Rekkje Stiutvikling AS | Kaupanger | 2018 |
| Rekordkompaniet Ans | Moelv | 1989 |
| Rekron AS | Spydeberg | 2012 |
| Rekrut AS | Oslo | 2022 |
| Rekruttering Sør AS | Mandal | 2019 |
| Rekrutteringshuset Mork AS | Drammen | 2005 |
| Rekrutteringspartner Da | Oslo | 2000 |
| Relaxity AS | Jevnaker | 2025 |
| Releasy AS | Oslo | 1999 |
| Relevent Aps Nuf | Dk-2840 Holte | 2026 |