| Magnussen Skog AS | Agriculture & fishing | 2011 |
| Makvis Hundesenter AS | Other services | 2026 |
| Maskin-Transport AS | Transport & logistics | 2024 |
| Maskin-Transport Eiendom AS | Real estate | 2024 |
| Maskin-Transport Holding AS | Transport & logistics | 2024 |
| Mke Eiendom AS | Real estate | 2024 |
| ML Pukk AS | Mining & quarrying | 2013 |
| Modern Invest AS | Real estate | 2020 |
| Myhre Anlegg AS | Construction | 2008 |
| Mæhlen Holding AS | Financial services | 2005 |
| Nordalveien 60 AS | Real estate | 2016 |
| Nordiq Performance AS | Education | 2026 |
| Norsk Direktesalg AS | Wholesale & retail | 2013 |
| Norway Export Da | Wholesale & retail | 2008 |
| Norwegian Entertainment Abroad AS | Information & communication | 2026 |
| Norwegian Explorer Vans AS | Administrative & support | 2020 |
| Nye Rena Bowling AS | Arts & recreation | 2018 |
| Nysveen Skogsdrift AS | Agriculture & fishing | 2011 |
| Oab Holding AS | Professional & scientific | 2016 |
| Oas Prosjektbistand AS | Professional & scientific | 2025 |
| Obsido Property AS | | 1998 |
| Ok for Mennesker AS | Education | 2024 |
| Oljeexpressen AS | Wholesale & retail | 1991 |
| Omr-Holding AS | | 2023 |
| Osen Elvelag SA | Real estate | 2021 |
| Ottershagen Gardsbarnehage AS | Education | 2004 |
| Photo Tours Norway AS | Professional & scientific | 2025 |
| Polar Bear Tactical AS | Wholesale & retail | 2023 |
| Polmannmoen Vannverk SA | Water & waste | 1953 |
| Punktet Kafe Bar AS | Hospitality | 2015 |
| Raffineri Management Da | Professional & scientific | 2020 |
| Rehabpilotene Da | Professional & scientific | 2005 |
| Reidar Stormoens Transport AS | Transport & logistics | 1988 |
| Rena Begravelsesbyrå AS | Other services | 2012 |
| Rena Bil AS | Other services | 2021 |
| Rena Blikkenslagerverksted AS | Construction | 2007 |
| Rena Blomster AS | Wholesale & retail | 2023 |
| Rena Eiendom AS | Real estate | 1998 |
| Rena Forst Bioenergi AS | Agriculture & fishing | 2011 |
| Rena Functional Fitness AS | Arts & recreation | 2026 |
| Rena Fysioterapi Og Treningssenter AS | Health & social care | 2016 |
| Rena Grill AS | Hospitality | 2008 |
| Rena Hus Og Hyttebygg AS | Construction | 1997 |
| Rena Hytteservice Mur Og Vaktselskap AS | Administrative & support | 2008 |
| Rena Maskinutleie Ans | Administrative & support | 2006 |
| Rena Media Da | Information & communication | 2008 |
| Rena Optiske AS | Wholesale & retail | 2002 |
| Rena Park AS | Real estate | 2007 |
| Rena Pukk Og Grus AS | Mining & quarrying | 2012 |
| Rena Rørservice AS | Construction | 2023 |
| Rena Servicesenter AS | Other services | 2019 |
| Rena Tannlegesenter AS | Health & social care | 2012 |
| Rena Tannteknikk Ans | Manufacturing | 2004 |
| Rena Turbil AS | Transport & logistics | 2014 |
| Rena Ungdoms- Og Familiesenter AS | Health & social care | 2002 |
| Rena Utviklingsselskap AS | Professional & scientific | 1998 |
| Robust Maskin Senter AS | Manufacturing | 2011 |
| Rogstadmoen Vannverk SA | Water & waste | 1951 |
| Royal Pizza Og Kebab AS | Hospitality | 2019 |
| Rugsvea Ans | Agriculture & fishing | 1990 |
| Salong Berit Ltd Nuf | Other services | 2010 |
| Screenworks Da | Information & communication | 2004 |
| Sjølie Invest AS | | 2020 |
| Sjølisand Vannverk SA | Water & waste | 1975 |
| Skaret Maskin AS | Construction | 2019 |
| Skjærodden Da | Real estate | 1997 |
| Skog Og Maskindrift AS | Agriculture & fishing | 2025 |
| Skogfokus AS | Agriculture & fishing | 2014 |
| Skogtek AS | Agriculture & fishing | 2022 |
| Sport 1 Rena AS | Wholesale & retail | 2002 |
| Stensberg AS | Construction | 1998 |
| Strandkjølveien SA | Real estate | 2015 |
| Sylli Skog AS | Energy | 2006 |
| Søh Holding AS | Agriculture & fishing | 2025 |
| Søndre Ilsås AS | Agriculture & fishing | 2024 |
| Sør-Østerdal Regnskapslag SA | Professional & scientific | 1990 |
| Tannlege Tore Hartz AS | Health & social care | 1987 |
| TCS Bioenergi AS | Manufacturing | 2018 |
| TD Bygget AS | Real estate | 1998 |
| The Fat Swede AS | Hospitality | 2022 |
| The Woods AS | Arts & recreation | 2015 |
| The Woods Publishing AS | Information & communication | 2019 |
| TK 50 Eiendom AS | Real estate | 2022 |
| Tollersrud AS | Transport & logistics | 1998 |
| Topp IT AS | Information & communication | 2021 |
| Tord Hanssen AS | Construction | 2022 |
| Torps Transport AS | Transport & logistics | 1988 |
| Trelasten Elverum AS | Wholesale & retail | 2013 |
| TV Invest AS | | 2025 |
| Ulas Holding AS | | 2026 |
| Unnis Salong 1 AS | Other services | 2019 |
| Vangli N Entreprenør AS | Construction | 2022 |
| Vestre Åbu Viltstellområde SA | Agriculture & fishing | 1988 |
| Vestre Åmot Beitelag SA | Agriculture & fishing | 2000 |
| Veterinær Skogesal AS | Professional & scientific | 2021 |
| Vikings Development AS | Professional & scientific | 2024 |
| Wahl Bok Og Papir AS | Wholesale & retail | 2008 |
| Wahl Kiosk Og Kafé AS | Wholesale & retail | 2021 |
| Wahl Prosjekt AS | Wholesale & retail | 2005 |
| Wahls Klær Og Sko AS | Wholesale & retail | 1991 |