| Materiellservice AS | Information & communication | 2025 |
| Meieribakken AS | Real estate | 2026 |
| Mestring & Event AS | Professional & scientific | 2014 |
| Metallpartner AS | Manufacturing | 2011 |
| Microprog AS | Information & communication | 2019 |
| Midgard Oppdrett Da | Agriculture & fishing | 2017 |
| Miehrot Invest AS | | 2020 |
| Mitac AS | Wholesale & retail | 2016 |
| Mjølbua AS | Hospitality | 2022 |
| Mlclm AS | Administrative & support | 2021 |
| Mogerhagen Gårdsdrift Ans | Agriculture & fishing | 2017 |
| Mojo & AI AS | Real estate | 2017 |
| Mopster AS | Administrative & support | 2026 |
| Morstad Holding AS | | 2025 |
| Morstad Transport AS | Transport & logistics | 2011 |
| Morten Linstad Mur Og Flis AS | Construction | 2015 |
| Narheim Mat AS | Wholesale & retail | 2025 |
| Naturlig Ren AS | Wholesale & retail | 2013 |
| Nettpartner Transport AS | Transport & logistics | 2013 |
| Nielsen AS | Hospitality | 2005 |
| Noia Studio AS | Information & communication | 2021 |
| Nokaw AS | Professional & scientific | 2020 |
| Nordic Project Partner AS | Information & communication | 2016 |
| Nordliagutua AS | Real estate | 2023 |
| Norqr AS | Professional & scientific | 2024 |
| Norsk-Bit for Bit AS | Education | 2025 |
| Nortex Ans | Professional & scientific | 1989 |
| Norwegian Destination Development & Management AS | Administrative & support | 2025 |
| Odw Activitas AS | Agriculture & fishing | 2022 |
| Odw AS | Agriculture & fishing | 2020 |
| Offenhäuser Eiendom AS | Real estate | 2005 |
| Offenhäuser Holding AS | | 2023 |
| Oktavian AS | Financial services | 2005 |
| Omt Investering AS | | 2025 |
| Op Op Og Avsted AS | Professional & scientific | 2022 |
| Oppussing Service AS | Construction | 2026 |
| Opsahl Begravelsesbyrå AS | Other services | 2020 |
| Optimal Fitness AS | Arts & recreation | 2017 |
| Optimal Hamar AS | Arts & recreation | 2025 |
| Osm Kapital AS | | 2026 |
| Pano Bygg AS | Construction | 2021 |
| Parfymeriet Granstunet AS | Wholesale & retail | 2012 |
| Pemo Holding AS | Real estate | 2015 |
| PHP Holding AS | Financial services | 2020 |
| Polarbulk AS | Wholesale & retail | 2016 |
| Praedico Invest AS | Information & communication | 2022 |
| Prestinvest AS | | 2026 |
| Prestkvern Invest AS | | 2022 |
| Programinvest AS | Information & communication | 1998 |
| Proqument Da | Information & communication | 2006 |
| R. Brenden AS | Real estate | 2013 |
| Rabarbra AS | Professional & scientific | 2004 |
| Radio Randsfjord AS | Information & communication | 1990 |
| Rado Holding AS | Wholesale & retail | 2007 |
| Rakalauv Barnehage SA | Education | 1995 |
| Raknerud Invest AS | | 2023 |
| Randsfjorden Tur & Transport AS | Administrative & support | 2018 |
| RB Fysio AS | Health & social care | 2018 |
| RB Fysioshop AS | Wholesale & retail | 2021 |
| Region Eiendomsutvikling AS | Real estate | 2026 |
| Renkran AS | Wholesale & retail | 2026 |
| Rognebakken 4 AS | Real estate | 2008 |
| Roy Hedgren AS | Information & communication | 2017 |
| RR Hjul & Sykler AS | Wholesale & retail | 2014 |
| Rudsøgarden AS | Agriculture & fishing | 2025 |
| Rust Andersen AS | | 2026 |
| S Solbakken AS | Construction | 2026 |
| S. T. Vik Transport AS | Construction | 2010 |
| Sagabygg AS | Real estate | 1999 |
| Sandr AS | Hospitality | 1997 |
| Sanner Hotell AS | Hospitality | 1997 |
| Servicepartner Proff AS | Administrative & support | 2013 |
| Skeidar Gran AS | Wholesale & retail | 1993 |
| Skiaker Bygg AS | Professional & scientific | 2004 |
| Skogstad Kran Og Transport AS | Transport & logistics | 2021 |
| Skyggen Hundespa, Trening Og Kattepensjonat AS | Other services | 2021 |
| Slette-Invest AS | | 2025 |
| SMD Eiendom AS | Real estate | 2022 |
| Smietorget 2 Ans | Real estate | 1995 |
| Smietorget Butikkdrift AS | Wholesale & retail | 2012 |
| Smietorget Forretningsdrift AS | Wholesale & retail | 2002 |
| Småbrukskontoret AS | Professional & scientific | 2022 |
| Snekker Innlandet AS | Construction | 2023 |
| Solid Salg & Montasje AS | Construction | 2013 |
| SRC AS | Wholesale & retail | 2012 |
| SRL Invest AS | Construction | 2005 |
| Stanza AS | Professional & scientific | 2006 |
| Starpro AS | Professional & scientific | 2024 |
| Stenberg & Co Eiendom AS | Construction | 1997 |
| Stenberg & Co Gruppen AS | | 2012 |
| Stenberg Eiendom AS | Real estate | 1992 |
| Sterud Holding AS | Administrative & support | 2017 |
| Sterud Landskap AS | Construction | 2013 |
| Stine L Holding AS | | 2019 |
| Stretto Invest a AS | Real estate | 2002 |
| Stretto Invest L AS | Real estate | 2002 |
| Studio 25 Frisører AS | Other services | 2016 |
| Svartaas Landbrukstjenester Ans | Agriculture & fishing | 2016 |
| Stenberggården A/S | Real estate | 1988 |
| Sønneland AS | Arts & recreation | 2023 |