| Pickup Innlandet AS | Transport & logistics | 2021 |
| Piraten AS | Real estate | 2021 |
| Pizzeria Happy Time AS | Hospitality | 1998 |
| PJT Holding AS | Manufacturing | 2015 |
| Pknh Holding AS | Real estate | 2022 |
| Plan Og Va Consult AS | Professional & scientific | 2021 |
| Plaque Removal Systems AS | Health & social care | 2021 |
| Pluss Rådgivning AS | Professional & scientific | 1997 |
| Pm-International Norge AS | Wholesale & retail | 2001 |
| Poco Loco AS | Hospitality | 2005 |
| Podready AS | Information & communication | 2018 |
| Point Eiendom AS | Real estate | 2021 |
| Poon & Cheung AS | Real estate | 2008 |
| Poweropti AS | Wholesale & retail | 2019 |
| PR Eiendommer AS | Real estate | 2016 |
| Prementor AS | Professional & scientific | 2002 |
| Prestmarken AS | Real estate | 2020 |
| Priorem Invest AS | | 2021 |
| Profera AS | Professional & scientific | 2025 |
| Prosjektservice Norge AS | Construction | 2008 |
| Prydkunst AS | Wholesale & retail | 1984 |
| Psykologene Moltu & Tangen AS | Health & social care | 2017 |
| Pure Norway AS | Administrative & support | 2009 |
| Pål Arne Jensen Fysioterapi AS | Health & social care | 2014 |
| Pål Jacob Jacobsen AS | | 2020 |
| Quick Systems AS | Information & communication | 2021 |
| Quizplace AS | Professional & scientific | 2013 |
| Radee AS | Other services | 2026 |
| Rahimi Mat AS | Wholesale & retail | 2025 |
| Rambekkvegen 3B AS | Real estate | 2013 |
| Rambekkveien 2 AS | Real estate | 2006 |
| Ramfjord Technology AS | Professional & scientific | 2020 |
| Rappel AS | Real estate | 2016 |
| Raufoss Engineering AS | Professional & scientific | 2007 |
| Raufoss Fotball Eiendom AS | Real estate | 2024 |
| Raufoss Tak Og Blikk Eiendom AS | Real estate | 2003 |
| RCF Holding AS | Real estate | 2021 |
| Realflex AS | Real estate | 2006 |
| Recellit AS | Wholesale & retail | 2023 |
| Recura AS | Health & social care | 2020 |
| Renate Michaelsen AS | Health & social care | 2018 |
| Renholdskompaniet AS | Administrative & support | 2023 |
| Rensevegen 3 AS | Real estate | 2014 |
| Reradi AS | Manufacturing | 2025 |
| Resort Services AS | Administrative & support | 2021 |
| Retina Holding AS | Professional & scientific | 2012 |
| Rett Linje AS | Administrative & support | 2021 |
| RHG Entreprenør & Eiendom AS | Construction | 2016 |
| Rian Invest AS | Real estate | 2005 |
| Richards AS | | 2023 |
| Ridder Holding AS | | 2024 |
| Ring 16 AS | Real estate | 2013 |
| Ringsaker Handelspark AS | Real estate | 2014 |
| Ringveien 11 Ans | Real estate | 2000 |
| Ringveien 11 D AS | Real estate | 2016 |
| Ringveien 13 B AS | Real estate | 2016 |
| Ringveien 13A AS | Real estate | 2026 |
| Roald Amundsensveg 1 B AS | Real estate | 2024 |
| Robberstad Invest AS | Real estate | 2017 |
| Robinson Heritage AS | | 2026 |
| Robinson Scandinavia AS | Administrative & support | 1986 |
| Rod & Restaurering AS | Other services | 2024 |
| Roger Fauske Transport AS | Transport & logistics | 2017 |
| Roj Eiendom AS | Real estate | 2017 |
| Roland AS | Real estate | 1993 |
| Rolf Backe AS | Wholesale & retail | 1987 |
| Romasch Nuf | Information & communication | 2010 |
| Ronin Capital AS | | 2024 |
| Rosteinvegen 4 AS | Real estate | 1992 |
| Rotstigen AS | Construction | 1991 |
| Ru-Bo Invest AS | | 1997 |
| Rubinen AS | Information & communication | 2026 |
| Rudi & Rudi Holding AS | Wholesale & retail | 2023 |
| Rudi Kapitalinvest AS | | 2025 |
| Rudi Kompetansesenter AS | Health & social care | 2017 |
| Runib Holding AS | | 2022 |
| Ruth & Ragna AS | Professional & scientific | 2013 |
| Rødfos AS | Real estate | 2019 |
| Rødfosen Eiendom AS | Real estate | 2014 |
| Rønningen Holding AS | Financial services | 2018 |
| Røyr Dental AS | Manufacturing | 2021 |
| S 17 Eiendom AS | Real estate | 2005 |
| S&M Invest AS | | 2018 |
| S. Pettersen-Moe AS | Wholesale & retail | 2020 |
| Safe Media AI AS | Information & communication | 2025 |
| Sagrusten AS | Professional & scientific | 2026 |
| Sagstuen Glass AS | Construction | 2009 |
| Saksoføn AS | Other services | 2001 |
| Salt & Pepper Gjøvik AS | Hospitality | 2012 |
| Saltdalshytta Innlandet AS | Construction | 2021 |
| Sam Holding AS | Financial services | 1996 |
| Samkomp AS | Health & social care | 2023 |
| San Marino Pizza AS | Hospitality | 2000 |
| Sandberggården 12 AS | Real estate | 2017 |
| Sandli Service Ans | Other services | 1998 |
| Sandødegården AS | Real estate | 2017 |
| Sang Tran AS | Health & social care | 2015 |
| Scandinavian Transistor AS | Professional & scientific | 2013 |
| Schialm Holding AS | | 2021 |
| SE Maskin AS | Construction | 2024 |