| Isaksætre Holding AS | Real estate | 2021 |
| Isaksætre Trafikkskole AS | Education | 2021 |
| Isolør.No AS | Manufacturing | 2014 |
| IT Care AS | Wholesale & retail | 2005 |
| J. R. Betongtransport AS | Transport & logistics | 2012 |
| Jens Dybendal Gullsmed Optiker Ur Glassmagasin AS | Wholesale & retail | 2011 |
| Jola Holding AS | Real estate | 2020 |
| Jora Eiendom AS | Real estate | 2008 |
| JSR Holding AS | | 2021 |
| JVS Holding AS | Professional & scientific | 2023 |
| K&C Bil Og Eiendom AS | Real estate | 2023 |
| Kaffegata 40 AS | Real estate | 2021 |
| Kaffegata 85 AS | Other services | 2016 |
| KDV29 AS | Real estate | 2025 |
| Keba Consult AS | Water & waste | 2021 |
| Keba Invest AS | Water & waste | 2021 |
| Kjølen Anlegg Og Transport AS | Construction | 2011 |
| Kjølen Landbruksservice AS | Manufacturing | 2025 |
| Kleppe AS | Real estate | 1998 |
| Kleppe Eiendom AS | Real estate | 2019 |
| Klokksvegene I Hof SA | Real estate | 2004 |
| Klubben AS | Wholesale & retail | 1976 |
| Klubben Polska Sp.Z.O.O | Wholesale & retail | 2008 |
| Klubben Prosjekt AS | Wholesale & retail | 2026 |
| Knual AS | Education | 2022 |
| Kompass Eiendomsutvikling AS | Construction | 2020 |
| Kongsvinger Begravelsesbyrå Grønlund AS | Other services | 2023 |
| Kraftlaget Eiendom AS | Real estate | 2018 |
| Kynna Grunneierlag SA | Real estate | 2021 |
| Kynndalsveiene SA | Real estate | 1967 |
| Kørra Eiendom AS | Real estate | 2008 |
| Landbruk & Biogass AS | Administrative & support | 2015 |
| Landbrukstjenester Øst SA | Agriculture & fishing | 1995 |
| Libraa Service AS | Wholesale & retail | 2024 |
| Lilleberg Og Larsen Ans | Construction | 1990 |
| Lindberg Og Ruud Eiendom AS | Real estate | 1990 |
| Logoped Tove Tyseng AS | Health & social care | 2017 |
| Lokalavisene I Innlandet AS | Information & communication | 2025 |
| Lokalradioene I Innlandet AS | Information & communication | 2010 |
| Luftiglek AS | Administrative & support | 2022 |
| Lysen Eiendom AS | Real estate | 2013 |
| Løfsgård Eiendom AS | Real estate | 2014 |
| Marielle Skybakmoen Holding AS | | 2021 |
| Marjon AS | Administrative & support | 2018 |
| Mehsos Ans | Professional & scientific | 2000 |
| Metsä Design Og Arkitektur AS | Professional & scientific | 2021 |
| Miljøfrakt AS | Transport & logistics | 2007 |
| Mingullsmed Drift AS | Wholesale & retail | 2017 |
| Mingullsmed Holding AS | Wholesale & retail | 2017 |
| Montering & Utleie AS | Construction | 2007 |
| Morten Sandlie AS | Professional & scientific | 2011 |
| Mynt Kapital AS | | 2021 |
| Møbelkjeller'N Flisa AS | Wholesale & retail | 2023 |
| NEGARDEN1897 AS | Hospitality | 2019 |
| Negardssvingen 2 AS | Real estate | 2020 |
| Negardssvingen Eiendom AS | Real estate | 2020 |
| Nettservice AS | Construction | 2024 |
| Normann Og Ramsli Ans | Construction | 1990 |
| Normet Norway AS | Manufacturing | 2012 |
| Norpol Skog AS | Agriculture & fishing | 2024 |
| Nortak Entreprenør AS | Construction | 1992 |
| Nortømmer Skogservice AS | Agriculture & fishing | 2023 |
| Norwegian Stonetech AS | Mining & quarrying | 2026 |
| Nye Flisa Bilpleie Og Rekvisita Ans | Wholesale & retail | 1991 |
| Nye Åsnes Flerbrukshall AS | Arts & recreation | 2023 |
| Nyen Maskin AS | Construction | 2004 |
| Nymoen Samdrift Ans | Agriculture & fishing | 2004 |
| Ols Holding AS | Real estate | 2020 |
| Opstad AS | Real estate | 2020 |
| Oslo Gartner- Og Anleggsservice AS | Administrative & support | 2012 |
| Ove Isaksætre AS | Transport & logistics | 2011 |
| Pettersen & Pettersen Transport Da | Transport & logistics | 1995 |
| Pongini Ltd Nuf | Wholesale & retail | 2012 |
| Powpro AS | Information & communication | 2019 |
| Probo AS | Real estate | 1989 |
| Puls Flisa AS | Arts & recreation | 1986 |
| Puls Fysio AS | Health & social care | 2013 |
| Puls Solør AS | Arts & recreation | 1996 |
| Restaurant Og Pizzeria La Cantina Da | Hospitality | 2002 |
| Risbergseter Eiendom Og Utleie AS | Real estate | 2023 |
| Riseng Eiendom & Service AS | Other services | 2020 |
| Riseng Holding AS | Information & communication | 2020 |
| Riseng Tele & Data AS | Information & communication | 2020 |
| S-E Salg Og Utleie AS | Administrative & support | 2014 |
| Sadelfast AS | Information & communication | 2010 |
| Saga Vannverk SA | Water & waste | 1969 |
| Sakaeo AS | Hospitality | 2020 |
| Sandbæk Maskin AS | Construction | 2013 |
| Schjærin Radio Og TV AS | Wholesale & retail | 1983 |
| SH Media - Stolt Håndverker AS | Professional & scientific | 2015 |
| Sigfridstad Eiendom AS | Real estate | 2022 |
| Sindrebo AS | Real estate | 1987 |
| Sjursnes AS | Wholesale & retail | 2023 |
| Skogbilveglaget Skasberget Rundt SA | Real estate | 1999 |
| Snacksen Ans | Wholesale & retail | 1994 |
| Solid Bygg Innlandet AS | Construction | 2019 |
| Solungen Montasje AS | Construction | 2014 |
| Solves Gate AS | Real estate | 2020 |
| Solør Arrangement AS | Administrative & support | 2015 |
| Solør Auto AS | Wholesale & retail | 2019 |