| Gorbon AS | Real estate | 2011 |
| Gran Trav AS | Agriculture & fishing | 2020 |
| Grani Holding AS | Real estate | 2013 |
| Granittimport AS | Wholesale & retail | 2023 |
| Granås Holding I AS | Real estate | 2005 |
| Gre-Ca Consulting AS | Education | 2021 |
| Grunn & Betong Viken AS | | 2025 |
| Grøndahl Maskinservice AS | Manufacturing | 2025 |
| GVN 18 AS | Real estate | 2022 |
| Hagan Holding AS | | 2026 |
| Heimsted AS | Construction | 2026 |
| Hellebakken AS | Financial services | 2005 |
| Herbee AS | Wholesale & retail | 2014 |
| Herstua Eiendom AS | Real estate | 2019 |
| HL Tekstilagentur AS | Wholesale & retail | 1993 |
| Hol Kombibygg 1 AS | Real estate | 2023 |
| Hol Kombibygg 2 AS | Real estate | 2023 |
| Hol Kombibygg 3 AS | Real estate | 2023 |
| Hol Kombibygg 5 AS | Real estate | 2023 |
| Hol Kombibygg 6 AS | Real estate | 2024 |
| Hol Kombibygg 7 AS | Real estate | 2024 |
| Hoo AS | Real estate | 2025 |
| Hovslager Beslagsmed Lørendal AS | Agriculture & fishing | 2009 |
| HRS AS | Professional & scientific | 2012 |
| Hurdal Mountain Lodge AS | Real estate | 2018 |
| HVD Transport AS | Transport & logistics | 2021 |
| Hygge Bygg AS | Construction | 2023 |
| Ing. Ole H. Elton AS | Professional & scientific | 2014 |
| Intracon 8 AS | Real estate | 2024 |
| Intracon 9 AS | Real estate | 2024 |
| Intracon AS | Administrative & support | 1988 |
| Ipro AS | Wholesale & retail | 1996 |
| JBM AS | Construction | 2021 |
| Jessheim Dyreklinikk Avd. Maura AS | Professional & scientific | 2013 |
| Jessheim Lyd Og Lys AS | Administrative & support | 2018 |
| JH Bergene Holding AS | | 2026 |
| John Wilberg Holding AS | Real estate | 2006 |
| Johtek AS | Professional & scientific | 2013 |
| Jones Trade Company Da | Wholesale & retail | 2003 |
| Jos Eiendom AS | Real estate | 2017 |
| Jos Gruppen AS | Other services | 2017 |
| K&C Invest AS | | 2026 |
| Kajas Ved Og Traktor-Tjenester AS | Agriculture & fishing | 2024 |
| Katrine Moholt AS | Arts & recreation | 2024 |
| Knoll Holding AS | Professional & scientific | 2019 |
| Kringler Gjestegård AS | Hospitality | 2013 |
| Kringler Holding AS | Hospitality | 2013 |
| Kristin and the Match AS | Real estate | 2013 |
| Kursproffen AS | Education | 2011 |
| Kvernstad Bilverksted AS | Other services | 2002 |
| Kvernstad Eiendom AS | Other services | 1974 |
| L-T Eiendom AS | Real estate | 2016 |
| L. Hoff Invest AS | | 1997 |
| L.Løvmo AS | Agriculture & fishing | 2026 |
| Laane Eiendom AS | Real estate | 2020 |
| Leasinggruppen AS | Real estate | 2020 |
| Level 9 Logistics AS | Professional & scientific | 2013 |
| Libe Maskin AS | Construction | 2025 |
| Locomotive NK AS | Education | 2014 |
| Logan Tjenester AS | Construction | 2017 |
| Lykkja Eiendomsservice AS | Real estate | 2006 |
| Lås Montøren AS | Administrative & support | 2016 |
| Løvenor Eiendom Nannestad AS | Real estate | 2005 |
| M Car AS | Wholesale & retail | 2022 |
| Madgreen Multipartner AS | Real estate | 2015 |
| Magnus K Nedregård AS | Education | 2025 |
| Makri Holding AS | Real estate | 2013 |
| Malspray.No AS | Administrative & support | 2024 |
| Marcus Inberg AS | Wholesale & retail | 2021 |
| Mathuset Norge AS | Wholesale & retail | 2005 |
| Maura Apotek AS | Wholesale & retail | 2014 |
| Maura Bensin & Service AS | Wholesale & retail | 2008 |
| Maura Bygg AS | Construction | 2020 |
| Maura Dataregnskap Ans | Professional & scientific | 1991 |
| Maura Eiendom AS | Construction | 2012 |
| Maura Legesenter AS | Health & social care | 2016 |
| Maura Pizza Bar Maura AS | Hospitality | 2021 |
| Maura Pizzeria AS | Hospitality | 2025 |
| Maxbygg Og Eiendom AS | Construction | 2017 |
| Md.Nor AS | Construction | 2023 |
| Meks Holding AS | | 2020 |
| Mel Gardermoen 20 AS | Real estate | 2021 |
| MF Biltransport AS | Transport & logistics | 2020 |
| Mmgodstransport AS | Transport & logistics | 2025 |
| Mne Holding AS | Education | 2025 |
| Moderne Tre AS | Manufacturing | 2024 |
| Moment Hus AS | Real estate | 2024 |
| Morud & Heimlund AS | Construction | 2012 |
| Movera Prosjekt- Og Byggeledelse AS | Professional & scientific | 2013 |
| MS Rør Og Klima AS | Construction | 2018 |
| MSM Techtrans AS | Professional & scientific | 2014 |
| Multe AS | | 2026 |
| Myrhaug Gård AS | Professional & scientific | 2019 |
| Møne AS | Real estate | 2014 |
| Namcoll AS | Wholesale & retail | 2017 |
| Nannestad Almenning AS | | 2018 |
| Nannestad Almenning KS | | 2018 |
| Nannestad Beitelag SA | Agriculture & fishing | 2014 |
| Nannestad Bygdeservice SA | Administrative & support | 1995 |
| Nannestad Grøntmiljø AS | Administrative & support | 2015 |