| Hstenevik Holding AS | | 2025 |
| HTH Molde AS | Wholesale & retail | 2004 |
| Huber Holding AS | Financial services | 2018 |
| Hudstudio AS | Wholesale & retail | 2009 |
| Hulder Holding AS | | 2023 |
| Humlehaven Vekst AS | Health & social care | 2025 |
| Hungnes Eiendom AS | Real estate | 1996 |
| Hungnes Nyland Eiendom Ans | Real estate | 1997 |
| Hunnsvegen 17 Gjøvik AS | Administrative & support | 2005 |
| Husevaag Holding AS | | 2009 |
| Husfliden Molde AS | Manufacturing | 1960 |
| Husmiljø AS | Construction | 2022 |
| Hustadgården Panorama AS | Real estate | 2017 |
| Hustadlitt Eiendom AS | Real estate | 2009 |
| Hustadvika Gjestegård AS | Real estate | 2004 |
| Husvis AS | Real estate | 2022 |
| Husøy AS | | 2014 |
| Hytter for Alle AS | Real estate | 2016 |
| Håholmen Eiendom AS | Real estate | 2002 |
| Håkon Invest AS | | 2023 |
| Hårpassion AS | Other services | 2025 |
| Høsta AS | Information & communication | 2023 |
| Høvding AS | Real estate | 1981 |
| I Sæter Prosjekt AS | Professional & scientific | 2000 |
| I-Sport Molde AS | Wholesale & retail | 2009 |
| I-Sport Roseby AS | Wholesale & retail | 1990 |
| Iannuzzi Invest AS | | 1989 |
| Idc AS | Wholesale & retail | 2017 |
| Idehus Molde AS | Construction | 2016 |
| Idé Hartmann AS | Professional & scientific | 2022 |
| Ielektro Ansatte AS | Financial services | 2005 |
| Ielektro AS | Construction | 1999 |
| Ieo Holding AS | | 2020 |
| Igea AS | | 2026 |
| Ikornnes Butikkeiendom AS | Real estate | 1982 |
| Impact Holding AS | Financial services | 2014 |
| Incline Coaching AS | Education | 2025 |
| Indeksbygget AS | Real estate | 2011 |
| Industrimekaniker Lønseth AS | Manufacturing | 2020 |
| Infopark AS | Professional & scientific | 2012 |
| Infopartner Informasjonsbyrå Ans | Administrative & support | 1991 |
| Infranett AS | Real estate | 2005 |
| Ing B Kolberg AS | Professional & scientific | 1994 |
| Ing Bjørn Holm Elektroinst AS | Professional & scientific | 1989 |
| Ingenio AS | Professional & scientific | 2012 |
| Inger Hildur AS | Agriculture & fishing | 2016 |
| Inger Hildur Invest AS | Agriculture & fishing | 2005 |
| Inger Hildur Klubben AS | Agriculture & fishing | 2016 |
| Ingvest Holding AS | Financial services | 2014 |
| Ini Consult AS | Professional & scientific | 2021 |
| Inline-Test AS | Professional & scientific | 2017 |
| Innlandet Butikkeiendom AS | Real estate | 2023 |
| Inspectmar AS | Professional & scientific | 2014 |
| Inspirations | Construction | 2007 |
| Inspirerende Hobby AS | Wholesale & retail | 2011 |
| Intakt Bilskade Molde AS | Other services | 1991 |
| Interatrade AS | Information & communication | 2016 |
| International Recruitment Group AS | Professional & scientific | 2024 |
| Investero AS | | 2024 |
| Inwestad AS | Professional & scientific | 2022 |
| Inwire AS | Professional & scientific | 2021 |
| Iregnskap AS | Professional & scientific | 2012 |
| Isach Holding AS | Real estate | 2010 |
| Isfjorden Butikkeiendom AS | Real estate | 2006 |
| Issh Holding AS | | 2024 |
| Istad Art Solution Norway Nuf | Arts & recreation | 2013 |
| Istad AS | Energy | 1980 |
| Istad Fiber AS | Information & communication | 2014 |
| Istad Fjordvarme AS | Energy | 1999 |
| Istad Infrastruktur AS | Information & communication | 2021 |
| Istad Kraft AS | Energy | 1973 |
| IT Data AS | Wholesale & retail | 1987 |
| Itonomi Solutions AS | Professional & scientific | 2020 |
| Ivar Kosberg AS | Real estate | 1966 |
| Ivatho Holding AS | Wholesale & retail | 2023 |
| J & M Fredriksson AS | Professional & scientific | 2022 |
| J-Lokna Invest AS | | 2024 |
| J. Bjørsnøs Holding AS | Real estate | 1990 |
| J.Hatle AS | Administrative & support | 2002 |
| J4 Molde AS | Real estate | 2004 |
| Jagonjas Ans | | 1992 |
| Jakobsnes Eiendom AS | Real estate | 2012 |
| Jakt & Fiskespesialisten AS | Wholesale & retail | 2008 |
| Jal - Invest AS | Real estate | 2005 |
| Jalon AS | Real estate | 2022 |
| Jamas AS | Wholesale & retail | 2009 |
| Jamell AS | Professional & scientific | 2018 |
| Jan Gregor AS | Financial services | 2013 |
| Janevarden AS | | 2024 |
| Janma Invest AS | Financial services | 2005 |
| Japesto AS | Real estate | 2008 |
| Jarle Berg Invest AS | Financial services | 2014 |
| JBF AS | Administrative & support | 2022 |
| JDK Invest AS | Wholesale & retail | 2010 |
| Jei Holding AS | Professional & scientific | 2013 |
| Jen Holding AS | | 2019 |
| Jendem Eiendom AS | Real estate | 1993 |
| Jendem Næringsbygg AS | Real estate | 2010 |
| Jendem Treningssenter AS | Other services | 2017 |
| JF Holding AS | Real estate | 2023 |