| Hamar Næringspark Nord 14 AS | Real estate | 2024 |
| Hamar Næringspark Nord 15 AS | Real estate | 2024 |
| Hamar Næringspark Nord 17 AS | Real estate | 2024 |
| Hamar Næringspark Nord 6 AS | Real estate | 2021 |
| Hamar Næringspark Nord 7 AS | Real estate | 2021 |
| Hamar Næringspark Nord AS | Real estate | 2016 |
| Hamar Regnskap Og Økonomi AS | Professional & scientific | 2014 |
| Hamar Renhold AS | Administrative & support | 2011 |
| Hanken AS | | 2021 |
| Haukelidsæter Tombre Holding AS | | 2025 |
| Hava Eiendom AS | Real estate | 2015 |
| Hedemarken Dyreklinikk AS | Professional & scientific | 2014 |
| Hege Langfeldt Invest AS | Financial services | 2017 |
| Heggvin Alun AS | Water & waste | 2014 |
| Hilne AS | Real estate | 2021 |
| Holdingen AS | Real estate | 2017 |
| Holen Landbrukstjenester Da | Agriculture & fishing | 2016 |
| Houmb 1 AS | Information & communication | 2026 |
| Houmb AS | Information & communication | 2014 |
| Houmb Corp. AS | | 2025 |
| Houmb Invest AS | | 2026 |
| Hovinsveen 2 AS | Real estate | 2018 |
| HSF Nuf | Real estate | 2009 |
| Hulleberg & Bø AS | Construction | 1986 |
| Høitomt Invest Group AS | Real estate | 2024 |
| I.Co Forvaltning AS | Real estate | 2022 |
| I.Co Invest AS | Professional & scientific | 2020 |
| Ie Consulting AS | Professional & scientific | 2021 |
| Imex Vinatekco AS | Wholesale & retail | 1996 |
| Infinity Branch Studios AS | Information & communication | 2023 |
| Ingeberg Utvikling AS | Real estate | 2020 |
| Innlandet Bygg Og Servicetjenester AS | Real estate | 2024 |
| Innlandet Mekaniske AS | Manufacturing | 2020 |
| Innlandet Prosjekt AS | Professional & scientific | 2022 |
| Innlandet Renhold AS | Administrative & support | 2011 |
| Innlandet Taktekking AS | Construction | 2023 |
| Innovativ Utvikling AS | Real estate | 2019 |
| Institutt for Relasjonsbasert Ledelse AS | Education | 2003 |
| Inter-Partner Nor AS | Wholesale & retail | 1998 |
| Interiør Plan AS | Professional & scientific | 2004 |
| J.Frydenlund Holding AS | Construction | 2023 |
| Jan Prestegård AS | Professional & scientific | 2026 |
| Je Solberg AS | Transport & logistics | 2024 |
| Jessnesstranda 2 AS | Real estate | 2020 |
| Jonstad Auto Hamar AS | Other services | 2022 |
| JPL Transport AS | Transport & logistics | 2010 |
| Jønsrud Eiendom AS | Real estate | 2017 |
| Jørn Høisveen AS | Transport & logistics | 2013 |
| Kaffe Innlandet AS | Wholesale & retail | 2009 |
| Kave Norway AS | Arts & recreation | 2020 |
| Kayleigh AS | | 2024 |
| Khaugen Holding AS | | 2026 |
| Kjemipartner AS | Wholesale & retail | 2012 |
| KJS Invest AS | | 2024 |
| Klevsta Holding AS | | 2020 |
| Klimatjenester AS | Construction | 2003 |
| KLM1 AS | | 2019 |
| Kosior AS | Construction | 2021 |
| Kukompaniet Da | Agriculture & fishing | 2003 |
| Kuldeteknikeren AS | Construction | 2001 |
| Kurs Og Kompetansesystemer AS | Education | 2020 |
| Kvåle Holding AS | | 2023 |
| Lakeview Invest AS | Real estate | 2014 |
| Lakeview Trading AS | Real estate | 2014 |
| Land Eiendomsservice AS | Real estate | 2018 |
| Lars a. Lien Invest AS | Construction | 2022 |
| Lars Wefring AS | Health & social care | 2015 |
| Leanapps AS | Information & communication | 2021 |
| Leroks Invest AS | Construction | 1993 |
| LH Forvaltning AS | Financial services | 2016 |
| Llantrussa Holding AS | | 2023 |
| Loginn AS | Wholesale & retail | 2024 |
| Lundemo Mat AS | Wholesale & retail | 2014 |
| Lykseth Eiendom AS | Real estate | 2015 |
| Lyspunktet Installasjon & Interiør AS | Construction | 2002 |
| M Dobloug AS | Construction | 2003 |
| M Dobloug Eiendom AS | Real estate | 1974 |
| M. Dobloug Finans AS | Construction | 2019 |
| M. Sunde Transport AS | Transport & logistics | 2021 |
| Makasa AS | Real estate | 2020 |
| Makin Holdco AS | | 2025 |
| Makin-Group AS | | 2025 |
| Marihøna Gårds- Og Friluftsbarnehage AS | Education | 2016 |
| Maskin Og Engineering AS | Professional & scientific | 2023 |
| Maskinstyring AS | Professional & scientific | 2017 |
| Maskinstyring Holding AS | Real estate | 2018 |
| Maths Arnkværn Prosjekt AS | | 2019 |
| Mats Kristoffersen Holding AS | | 2023 |
| MC Huset Holding AS | Real estate | 2022 |
| MC Huset Nydal AS | Wholesale & retail | 1992 |
| MCH Eiendom AS | Real estate | 2019 |
| Medstart AS | Health & social care | 2022 |
| Melkespannet AS | Wholesale & retail | 2018 |
| Merverdi Holding AS | Real estate | 2022 |
| Merverdi Utvikling AS | Real estate | 2022 |
| Mindmaster AS | Education | 2024 |
| Mindset AS | Professional & scientific | 2016 |
| Mjøsa Bilutleie AS | Administrative & support | 2022 |
| Mjøsa Dødsbo & Flyttebo AS | Transport & logistics | 2023 |
| Moaxtek AS | Other services | 2025 |