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| Kvalitetsbistand AS | Drammen | 2016 |
| Kvalkjeften Holding AS | Oteren | 2019 |
| Kvalkjeften Medical AS | Oteren | 2020 |
| Kvalvik Rehabilitering/ Song Records Norway AS | Bjørnemyr | 1996 |
| Kvam Tannlegekontor AS | Molde | 2021 |
| Kvamlegene AS | Molde | 2017 |
| Kvan Invest AS | Tønsberg | 2021 |
| Kvannlicare AS | Kvaløya | 2024 |
| Kvantumklinikken AS | Tønsberg | 2019 |
| Kveik AS | Voss | 1973 |
| Kveik Formidling AS | Voss | 2022 |
| Kveim Holding AS | Oslo | 2005 |
| Kveno Holding AS | Slemmestad | 2008 |
| Kvernaland Fysioterapi Og Trening AS | Kvernaland | 2024 |
| Kvernaland Tannlege-Senter AS | Kvernaland | 2016 |
| Kverndalen Fot & Velvære AS | Skien | 2025 |
| KVH Invest AS | Oslo | 2014 |
| Kvil Naprapati AS | Stavsjø | 2013 |
| Kvile Consult AS | Kokstad | 2006 |
| Kvina Tann AS | Kvinesdal | 2026 |
| Kvinesdal Legesenter AS | Kvinesdal | 2016 |
| Kvinesdal Tannlegesenter AS | Kvinesdal | 2017 |
| Kvinnedoktor Og Jordmora AS | Tønsberg | 2017 |
| Kvinnehelseklinikken AS | Kristiansund N | 2025 |
| Kvinnehelseklinikken Osteopati & Fysioterapi AS | Gjøvik | 2025 |
| Kvinnelegen I Hedmark AS | Elverum | 2013 |
| Kvinnherad Vekstbedrift AS | Uskedalen | 1990 |
| Kvit-Dent AS | Kviteseid | 2012 |
| Kvito AS | Vinje | 1994 |
| Kvito Utvikling Og Arbeid AS | Vinje | 2021 |
| Kvitsøy Hushjelp AS | Kvitsøy | 2022 |
| KVN61 AS | Oslo | 2024 |
| Kvænangen Produkter AS | Sørstraumen | 2003 |
| KWB Fysio AS | Kristiansand S | 2020 |
| Kydence AS | Paradis | 2026 |
| Kystgarden AS | Rossland | 2015 |
| Kystklinikken AS | Stathelle | 2019 |
| Kystveien Legesenter AS | Arendal | 2025 |
| Kystveien Legesenter Da | Arendal | 2013 |
| Käkkonsult Fredrik Widar AB Nuf | Se-475 42 Hönö | 2012 |
| Kåfjord Vekst AS | Birtavarre | 1993 |
| Køhler Legesenter Da | Stavanger | 2013 |
| Køhn Helse AS | Oslo | 2021 |
| L & E Holding AS | Jessheim | 2022 |
| L B Holding AS | Lommedalen | 2005 |
| L B Kirurgi AS | Lommedalen | 2026 |
| L Estetisk Klinikk AS | Sandnes | 2025 |
| L&B Holding AS | Førde | 2019 |
| L&L Rådgivning AS | Haslum | 2011 |
| La Krisma AS | Oslo | 1998 |
| Laagen Legesenter AS | Kongsberg | 1974 |
| Laagenpsykologen AS | Kongsberg | 2023 |
| Lab Dental AS | Auli | 2025 |
| Labyrinten Legesenter Da | Elverum | 2007 |
| Lachris AS | Ålgård | 2005 |
| Lacrimalis AS | Stavanger | 2022 |
| Lada Eiendom AS | Davik | 2005 |
| Lade Legesenter AS | Trondheim | 1993 |
| Lade Tannhelsesenter AS | Trondheim | 2023 |
| Ladeklinikken AS | Trondheim | 2021 |
| Ladenta AS | Drammen | 1990 |
| Lado AS | Svolvær | 2012 |
| Lafamilia Familieterapi AS | Harstad | 2024 |
| Lagnettverk AS | Jessheim | 2013 |
| Lagoleg AS | Kolbotn | 1988 |
| Lagopus Helse AS | Oslo | 2012 |
| Lagunen Kiropraktikk AS | Rådal | 2024 |
| Lagunen Tannlege Njøsen & Øren AS | Rådal | 2021 |
| Laguneparken Fysioterapi AS | Rådal | 2014 |
| Laho AS | Oslo | 2005 |
| Laila Evjensvold Holding AS | Førde | 2024 |
| Laila Hafstad Og Anne Aasheim Puls Ans | Oslo | 2000 |
| Laksevåg Legesenter Da | Laksevåg | 2015 |
| Lam AS | Porsgrunn | 2022 |
| Lambertseter Fysioterapi AS | Oslo | 2020 |
| Lambertseter Kiropraktorsenter AS | Oslo | 2020 |
| Lambertseter Legesenter AS | Oslo | 2015 |
| Lambertseter Tannhelse AS | Oslo | 2020 |
| Lambertseter Tannlegesenter AS | Oslo | 2019 |
| Lamo Liv Og Leire AS | Harstad | 2025 |
| Lampeland Fysioterapi & Helse Da | Lampeland | 2019 |
| Land Ambulanse Ans | Hov | 1999 |
| Land Ambulanse AS | Dokka | 1999 |
| Land Omsorg AS | Hov | 2021 |
| Landfalløya Legesenter Da | Drammen | 2009 |
| Landsbyen Fotterapiklinikk AS | Dokka | 2025 |
| Landsbylegane Stord AS | Stord | 2001 |
| Landsbylege Stine AS | Hokksund | 2024 |
| Landsbylegen AS | Stavern | 1995 |
| Landsbylegen Randaberg AS | Randaberg | 2014 |
| Landås Legesenter AS | Bergen | 2014 |
| Langbryggen Tannklinikk AS | Arendal | 2008 |
| Langeset AS | Stryn | 2019 |
| Langesund Fotterapiklinikk AS | Langesund | 2018 |
| Langesund Fysikalske Institutt Da | Langesund | 2014 |
| Langeteig HMS Rådgivning Limited Nuf | Balestrand | 2009 |
| Langevåg Tannklinikk AS | Langevåg | 2016 |
| Langhus Fysioterapi AS | Langhus | 2012 |
| Langhus Tannlegesenter AS | Langhus | 2013 |