| Havbris AS | Administrative & support | 2023 |
| Heli-Holding AS | Administrative & support | 2005 |
| Heliscan Invest AS | Administrative & support | 2006 |
| Hellan Forvaltning AS | | 2026 |
| Hellan Samdrift Da | Agriculture & fishing | 2002 |
| Holmen Park & Anlegg AS | Administrative & support | 2011 |
| Holten Consult AS | Professional & scientific | 2023 |
| Holten Invest Holding AS | Real estate | 2023 |
| Hovdal Eiendom AS | Real estate | 2014 |
| Hussi Holding AS | | 2023 |
| Hyndøy Holding AS | Financial services | 2005 |
| Inframar AS | Professional & scientific | 2017 |
| Intus AS | Information & communication | 2021 |
| J M Vold Holding AS | Agriculture & fishing | 2005 |
| Ja Gulvsystemer AS | Construction | 2019 |
| Ja Tanksystemer AS | Construction | 2026 |
| Jab-Holding AS | | 2021 |
| Janne Viktil AS | Health & social care | 2023 |
| Jarl Holding Frosta AS | Real estate | 2012 |
| Jefossum Holding AS | | 2023 |
| Jia Holding AS | Construction | 2013 |
| Jm-Vold Eiendom AS | Agriculture & fishing | 2005 |
| JMV Næring AS | Real estate | 2023 |
| Johan Fossli AS | Professional & scientific | 2012 |
| Johan Pedersen Holding AS | Financial services | 2013 |
| Joker Eiendom 1 AS | Real estate | 2022 |
| Jordnær AS | Manufacturing | 2011 |
| Jotunheimen Arrangement AS | Administrative & support | 2012 |
| Joval Holding AS | Real estate | 2024 |
| Jubs Bygg Og Industri AS | Manufacturing | 2017 |
| Karlsbergh Gruppen AS | Real estate | 2018 |
| Klostergården Tautra AS | Hospitality | 2025 |
| Kop Eiendommer AS | Real estate | 2024 |
| Landshaug AS | Real estate | 2018 |
| Landshaug Utbygging AS | Real estate | 2018 |
| Langdalen Melk Og Kjøtt Da | Agriculture & fishing | 2006 |
| Lars B Holding AS | | 2021 |
| Latitude Holding AS | | 2022 |
| LEADS1000 AS | Education | 2026 |
| Lein-Nilssen AS | Construction | 2003 |
| Lein-Nilssen Eiendom AS | Real estate | 1998 |
| Level Frisør Frosta AS | Other services | 2017 |
| Level Sportssenter AS | Other services | 2018 |
| Liberg Eiendom Da | Real estate | 2022 |
| Longitude AS | Professional & scientific | 2015 |
| Lunt AS | Wholesale & retail | 2026 |
| Lyd Laga AS | Arts & recreation | 2018 |
| Løvrød AS | Agriculture & fishing | 2025 |
| Løvrød Holding AS | Real estate | 2020 |
| M Skjevik AS | Professional & scientific | 2019 |
| M19 Holding AS | | 2023 |
| Marie Greistad AS | Wholesale & retail | 2026 |
| Matfatet Frosta SA | Wholesale & retail | 2018 |
| Midt-Norsk Industriservice AS | Construction | 1997 |
| Midt-Norsk Solcelle AS | Construction | 2018 |
| Midtnorsk Eiendomsinvest AS | Real estate | 2024 |
| Mig Tautra SA | Arts & recreation | 2007 |
| Mojv AS | Real estate | 2013 |
| Moksnes Nordre AS | Agriculture & fishing | 2024 |
| Mollan Og Dahlhaug Ans | | 1989 |
| Myraune Utvikling AS | Wholesale & retail | 2006 |
| NBB AS | Wholesale & retail | 2025 |
| Neset-Eiendom AS | Real estate | 2017 |
| Nesshaug Equity AS | Financial services | 2012 |
| Nordfjæran Gartneri AS | Agriculture & fishing | 2020 |
| Nordfjæran Søndre Frilandspakkeri AS | Agriculture & fishing | 2012 |
| Nordgrønt SA | Other services | 1994 |
| Oppigard Ans | Hospitality | 2021 |
| Orsand Camping AS | Hospitality | 2020 |
| Orsand Holding AS | Wholesale & retail | 2019 |
| Ovation AS | Information & communication | 2000 |
| Praxes AS | Professional & scientific | 2014 |
| Pro-Teck AS | Administrative & support | 2005 |
| Produsentpakkeriet Frosta SA | | 1991 |
| Produsentpakkeriet Trøndelag AS | Administrative & support | 2005 |
| Progulvtek AS | Construction | 2025 |
| Publy AS | Professional & scientific | 2008 |
| Pudrett SA | Water & waste | 2020 |
| Pve AS | Administrative & support | 2023 |
| Qbe AS | Real estate | 2006 |
| Rein-Eiendom AS | Real estate | 2010 |
| Reinås Betongtransport AS | Transport & logistics | 2015 |
| Reis Frosta AS | Administrative & support | 2025 |
| Rekkebostene Invest AS | Real estate | 2026 |
| Remman Maskindrift AS | Agriculture & fishing | 2014 |
| RF Anleggsteknikk AS | Professional & scientific | 2026 |
| Roarsen Holding AS | Real estate | 2005 |
| Roger Lein AS | Hospitality | 2005 |
| Rosø Holding AS | Real estate | 2021 |
| RV Grønt AS | Real estate | 2014 |
| SCC Eiendom AS | Real estate | 2010 |
| Sirkulasjonsklinikken AS | Other services | 2022 |
| Skaret Kjølelager AS | Real estate | 2007 |
| Skaret Næringseiendom AS | Real estate | 2008 |
| Skarsbakk Holding AS | Transport & logistics | 2023 |
| Skarsbakk Transport AS | Transport & logistics | 2023 |
| Slettet Kylling Da | Agriculture & fishing | 1999 |
| Småland Båt Og Service AS | Arts & recreation | 2015 |
| Småland Gartneri AS | Agriculture & fishing | 2024 |
| Solem Gård Da | Agriculture & fishing | 2024 |