| H. K. Myhre Holding AS | | 2022 |
| H.Toft Holding AS | | 2016 |
| Hanan Dish AS | Hospitality | 2022 |
| Hand Analyse AS | Professional & scientific | 2024 |
| Hand AS | Professional & scientific | 2024 |
| Hand Holding AS | Professional & scientific | 2015 |
| Hassingveien 40 Eiendom AS | Real estate | 2015 |
| Havboat AS | Manufacturing | 2007 |
| HB Bygg & Tømrerservice AS | Construction | 2012 |
| Heatco Da | Other services | 2008 |
| Hel Eiendom AS | | 2018 |
| Helgerud Menighetsbarnehage AS | Education | 2009 |
| Helsehest AS | Wholesale & retail | 2021 |
| Helt Ida AS | | 2024 |
| Hemsyni AS | Real estate | 2008 |
| Hensta AS | | 2025 |
| Herbal Research & Consulting Da | Wholesale & retail | 2001 |
| Hessen Capital AS | | 2022 |
| Hidein AS | Professional & scientific | 2021 |
| Hifu Bygg & Eiendom AS | Construction | 2019 |
| Hippocampus AS | Professional & scientific | 2007 |
| Holmsen & Co AS | Professional & scientific | 1982 |
| Horgi Holding AS | Professional & scientific | 2014 |
| Horisont Bygg AS | Professional & scientific | 2010 |
| Hyshare AS | | 2022 |
| Høc AS | Wholesale & retail | 2021 |
| Iftiin Da | Wholesale & retail | 2001 |
| Ihs Invest AS | Professional & scientific | 2022 |
| Ikt Smia AS | Information & communication | 2017 |
| Inovel Holding AS | Professional & scientific | 2019 |
| Insyd Invest AS | Wholesale & retail | 2000 |
| Jacobsen Trafikk Og Musikk AS | Transport & logistics | 2025 |
| Jens Pettersen AS | Transport & logistics | 1986 |
| Jernhelse AS | Health & social care | 2022 |
| JHG Holding AS | | 2019 |
| Joda Capital AS | | 2026 |
| Johs Haugerudsvei AS | Real estate | 2003 |
| Julo AS | Information & communication | 2019 |
| Kaasen Holding AS | Education | 2024 |
| Kaasenchess AS | Education | 2024 |
| Kbo Invest AS | Financial services | 2014 |
| Kirie AS | Professional & scientific | 2006 |
| Klem Konsult AS | Other services | 2012 |
| Koj Eiendom AS | Real estate | 2019 |
| Koj Invest AS | Professional & scientific | 2013 |
| Koj Spania AS | Real estate | 2021 |
| Kolsås Hagesenter AS | Wholesale & retail | 2008 |
| Kultur for Folket AS | Arts & recreation | 2023 |
| Kvist Bygg AS | | 2015 |
| La Capella AS | Other services | 1994 |
| Lada Holding AS | | 2026 |
| Laloca De Montfermeil AS | Financial services | 2014 |
| Lars Eikefjord Holding AS | | 2007 |
| Larsson AS | Professional & scientific | 2017 |
| Levre Eiendom AS | Real estate | 2004 |
| Lillo Eiendom AS | Real estate | 2015 |
| Lillo Gård Næring AS | Real estate | 2015 |
| Lislerud AS | Real estate | 1976 |
| Lunaas Sørensen Invest AS | | 2025 |
| Lupus Tre Og Ved AS | Agriculture & fishing | 2025 |
| Lyslegen AS | Health & social care | 2023 |
| Lysne Eiendom AS | Real estate | 2025 |
| Lindholmveien 14 A/S | Real estate | 1964 |
| Makelifeeasy AS | Hospitality | 2024 |
| Mamsen Holding AS | | 2023 |
| Marogner Eiendom AS | Real estate | 2019 |
| Midtvedt Innovation AS | Professional & scientific | 2022 |
| Mo IT AS | Information & communication | 2024 |
| Moon Landing Invest AS | Professional & scientific | 2009 |
| Motion Management AS | Wholesale & retail | 2025 |
| Motion Sport Services AS | Professional & scientific | 2023 |
| Motor Consulting AS | Professional & scientific | 2026 |
| Move Industrier AS | Professional & scientific | 2025 |
| MWT Partner AS | Construction | 2019 |
| Møbeltapetserer Braathen AS | Manufacturing | 2012 |
| NBC AS | Transport & logistics | 2024 |
| Nextg AS | | 2023 |
| Nordic Management Solutions Da | Information & communication | 2025 |
| Nordicms AS | Information & communication | 2025 |
| Norse Food AS | Health & social care | 2016 |
| Norstan AS | Wholesale & retail | 2025 |
| Norte AS | Wholesale & retail | 1993 |
| Odin Nilsen AS | Wholesale & retail | 2022 |
| Olsvik Bygg AS | Construction | 2021 |
| One Billion AS | Financial services | 2016 |
| Oystein Lande Holding AS | | 2020 |
| Pande Lycke AS | Wholesale & retail | 1995 |
| Pepper IT AS | Information & communication | 2019 |
| Phoenix Data Solutions AS | Information & communication | 2025 |
| Pilotveien 9 AS | Real estate | 2022 |
| PK Snekkerservice AS | Construction | 2025 |
| Platon Invest AS | Professional & scientific | 2006 |
| Platou Arkitekter AS | Professional & scientific | 1970 |
| Platou Eiendom AS | Real estate | 1991 |
| Platou Offshore Design AS | Professional & scientific | 1985 |
| Ponder AS | Information & communication | 2024 |
| Presentwater AS | Wholesale & retail | 2009 |
| Presentwater Solutions AS | Professional & scientific | 2019 |
| Presi AS | Information & communication | 2026 |
| Prilla AS | Financial services | 2017 |