| Kemag AS | Wholesale & retail | 2018 |
| Kesa Invest AS | Real estate | 2016 |
| KFB Invest AS | | 2025 |
| Kgoa Holding AS | Wholesale & retail | 2020 |
| KH Capital AS | | 2024 |
| KHV Holding AS | Administrative & support | 2005 |
| Kig Holding AS | | 2007 |
| Kigo Holding AS | | 2020 |
| Kim Sundstøl Solutions AS | Wholesale & retail | 2013 |
| Kivi Eiendom AS | Real estate | 2008 |
| KJ Holding AS | Financial services | 2005 |
| Kjølig Sommer AS | | 2024 |
| Kkib Holding AS | Agriculture & fishing | 2024 |
| Klar. AS | Manufacturing | 2009 |
| Klinikk Aktiv Helse AS | Health & social care | 2015 |
| Kløver Samdrift Da | Agriculture & fishing | 2000 |
| Knallhare Holding AS | Information & communication | 2025 |
| Knarrum's Håndverk AS | Construction | 2025 |
| Kobolt Invest AS | Financial services | 2015 |
| Kolmo AS | Financial services | 2005 |
| Kolnes Maskin AS | Construction | 1999 |
| Kolnesgården AS | Real estate | 1998 |
| Koltech AS | Wholesale & retail | 2018 |
| Kong Carlsgt. 19 AS | Real estate | 2009 |
| Krag Holding AS | Real estate | 2012 |
| Krihar AS | Financial services | 2005 |
| Krisbo Invest AS | | 2018 |
| Kristian Håland AS | Construction | 2012 |
| Kristine Invest AS | | 2026 |
| Kro Gruppen AS | Real estate | 2026 |
| Kruger Frisør AS | Other services | 2014 |
| Ksande Invest AS | | 2025 |
| KSP AS | Construction | 2023 |
| Kvaslerud Invest AS | Financial services | 2018 |
| Kvavik Investering AS | Real estate | 2007 |
| KVT Solutions AS | Construction | 2023 |
| Kvålveien 8 Holding AS | Real estate | 2007 |
| L.M. Holding AS | | 2019 |
| La Manga Randaberg AS | Real estate | 2013 |
| La-Vie AS | Wholesale & retail | 2024 |
| Landbruk & Maskin AS | Wholesale & retail | 2026 |
| Landes Nye Spire AS | Wholesale & retail | 2013 |
| Landor Larsen Elektronikk AS | Professional & scientific | 2019 |
| Landsbybakeriet Randaberg AS | Wholesale & retail | 2011 |
| Landsbybryggeriet AS | Manufacturing | 2008 |
| Landsbylegen Randaberg AS | Health & social care | 2014 |
| Landsbysauna AS | Administrative & support | 2025 |
| Landsbystrikk AS | Wholesale & retail | 2017 |
| Landsbytoget AS | Administrative & support | 2007 |
| Larsen Eiendom AS | Real estate | 1982 |
| Lauvika Holding AS | Real estate | 2021 |
| Lederpartner AS | Professional & scientific | 2018 |
| Lederskaping AS | Professional & scientific | 2024 |
| Lege Ole Kristian Opsahl AS | Health & social care | 2018 |
| Legekontorene Centrum AS | Health & social care | 2011 |
| Leikvollbakken AS | Real estate | 2005 |
| Leinan Holding AS | | 2025 |
| Leirvik Invest AS | Arts & recreation | 2007 |
| Lento Holding AS | | 2022 |
| Lero Holding AS | | 2022 |
| Libakk AS | Professional & scientific | 2009 |
| Lihaug Eiendom Da | Real estate | 2001 |
| Linerle Invest AS | Real estate | 2019 |
| Lingua World AS | Education | 2021 |
| Livcoh AS | Professional & scientific | 2026 |
| Livinger AS | Real estate | 2000 |
| Livne Forlag AS | Information & communication | 2025 |
| Lomovegen 5 Vinstra AS | Real estate | 2019 |
| Lovdahl Holding AS | | 2026 |
| Lsem Holding AS | Arts & recreation | 2022 |
| LSH Invest AS | | 2021 |
| LTN Unity AS | Wholesale & retail | 2024 |
| Luni Animation AS | Information & communication | 2024 |
| Lunova Holding AS | | 2024 |
| Lunsjtid AS | Hospitality | 2013 |
| Lura Holding AS | | 2022 |
| Lyn & Kontraster AS | Professional & scientific | 2014 |
| Løyfti Invest AS | | 2021 |
| M Haga Holding AS | | 2024 |
| M. Svela Holding AS | | 2019 |
| M13 Invest AS | Financial services | 2007 |
| Ma.Ba AS | Hospitality | 2025 |
| Madla Dekksenter AS | Wholesale & retail | 2024 |
| Madlaveien Eiendom AS | Real estate | 2024 |
| Malde Revisjon & Rådgivning Ans | Professional & scientific | 2005 |
| Malerfirma Tunge AS | Construction | 2012 |
| Malida AS | | 2023 |
| Manti AS | Real estate | 2020 |
| Manuellterapeut Og Fysioterapeut Iversen AS | Health & social care | 2026 |
| Maranello Norway AS | Wholesale & retail | 2022 |
| Maren Ladstein AS | Health & social care | 2022 |
| Marny Invest AS | Wholesale & retail | 2023 |
| Maskin Og Verktøyleverandøren AS | Wholesale & retail | 1998 |
| Matcha AS | | 2024 |
| Matgaven AS | Wholesale & retail | 2008 |
| Maw Engineering 1978 Limited Nuf | Manufacturing | 2024 |
| Maximator AS | Wholesale & retail | 2006 |
| May Grethe Invest AS | | 2022 |
| MB2 Holding AS | | 2022 |
| Mediforum AS | Health & social care | 2011 |