| Lillestrøm Culture Hub AS | Lillestrøm | 2021 |
| Lillestrøm Montessoriskole AS | Oslo | 2026 |
| Lillestrøm Service AS | Frogner | 2025 |
| Lillestrøm Trafikkskole AS | Fetsund | 2018 |
| Lillifix AS | Langevåg | 2020 |
| Lillifix Holding AS | Langevåg | 2023 |
| Lillith Meditasjon AS | Tårnåsen | 2023 |
| Lillohagen Fus Barnehage AS | Oslo | 2008 |
| Lillohøyden Fus Barnehage AS | Oslo | 2009 |
| Limitless Coaching AS | Oslo | 2022 |
| Limitless Trading AS | Haugesund | 2018 |
| Limpi AS | Lillehammer | 2015 |
| Lina Beauty Industry AS | Oslo | 2016 |
| Linada Invest AS | Lyngdal | 2022 |
| Lind Sport | Bergen | 2013 |
| Linda Løken AS | Fevik | 2008 |
| Linda Østlie AS | Kongsvinger | 2018 |
| Lindebakken Barnehage AS | Arendal | 2005 |
| Lindeberg Eiendom BHG AS | Frogner | 2006 |
| Lindeberg Fus Barnehage AS | Frogner | 2018 |
| Lindegaard Familiebarnehage AS | Høvik | 2022 |
| Lindholmen Sports AS | Lommedalen | 2026 |
| Lindtjønn Fus Barnehage AS | Kristiansand S | 2018 |
| Lindtvedt Aviation AS | Arendal | 2026 |
| Line Og Mathilde Da | Ås | 2022 |
| Linfre Education AB | Se-417 55 Göteborg | 2018 |
| Lingaas Consulting AS | Sandefjord | 1994 |
| Lingi AS | Oslo | 2024 |
| Lingu AS | Stavanger | 2013 |
| Lingua World AS | Randaberg | 2021 |
| Linn Fjose Trening AS | Voss | 2018 |
| Linn Fossmo AS | Oslo | 2026 |
| Linnestad Barnehage SA | Ramnes | 2001 |
| Linnéa Natur- Og Gårdsbarnehage AS | Mysen | 2022 |
| Lion AS | Asker | 2007 |
| Lions Fight Gym AS | Oslo | 2018 |
| Lippert Aut. Trafikkskole AS | Gran | 2008 |
| Lisaldi AS | Paradis | 2025 |
| Lise Yoga AS | Mosjøen | 2016 |
| Lise's Hundeskole AS | Rakkestad | 2020 |
| Liselotte Lefdals Rideskole AS | Moss | 2019 |
| Lisleherad Montessoriskole SA | Notodden | 2013 |
| Lista Aktiv AS | Borhaug | 2020 |
| Lister Kompetanse AS | Lyngdal | 2003 |
| Lister Medical AS | Flekkefjord | 2024 |
| Lister Opplæring AS | Vanse | 2003 |
| Lister Trafikkskole AS | Farsund | 2014 |
| Lister Ung AS | Farsund | 2026 |
| Listos AS | Skei I Jølster | 2018 |
| Lit AS | Oslo | 2022 |
| Litledalen Barnehage SA | Flekkefjord | 1989 |
| Littaktiv AS | Fevik | 2021 |
| Lium Gård Omsorg AS | Feiring | 2017 |
| Liv AS | Strømmen | 2015 |
| Liv I Leire AS | Flateby | 2026 |
| Liv Ronglan AS | Nesbru | 2018 |
| Livak AS | Kristiansund N | 2022 |
| Live IT AS | Harstad | 2015 |
| Livea AS | Sandsli | 2013 |
| Livefuel AS | Flekkefjord | 2024 |
| Livensveen Gårdsbarnehage AS | Løten | 2018 |
| Livet På Landet Ans | Oslo | 2018 |
| Livets Gang AS | Sandefjord | 2001 |
| Livets Kunnskap Da | Hof | 2021 |
| Livnær AS | Barkåker | 2021 |
| Livsendring AS | Oslo | 2018 |
| Livslanglæring AS | Oslo | 2024 |
| Livsmestringskurs AS | Oslo | 2012 |
| Liøya Barnehage SA | Støren | 2004 |
| Ljøstadsaga Barnehage AS | Vegårshei | 2004 |
| LL Consulting Ans | Oslo | 1990 |
| Lmkk Holding AS | Kløfta | 2021 |
| Locomotive NK AS | Maura | 2014 |
| Loddrett AS | Sandnes | 2021 |
| Loe Elektro Kompetanse AS | Åsgårdstrand | 2017 |
| Lofoten Kjøreskole AS | Gravdal | 2012 |
| Lofoten Yoga Studio AS | Stamsund | 2012 |
| Lofotunga AS | Svolvær | 2018 |
| Loginor Installasjon & Service AS | Hovet | 2014 |
| Lokah Oslo AS | Oslo | 2024 |
| Lone Yoga AS | Sjøvegan | 2023 |
| Losa AS | Finnsnes | 2024 |
| Losby Ridesenter AS | Finstadjordet | 2014 |
| Lotte Myhre AS | Drammen | 2024 |
| Lotte Pia Stenfors | Rælingen | 2013 |
| Lotus Senteret AS | Larvik | 2017 |
| Lotus Studio AS | Fagerstrand | 2021 |
| Loveland AS | Trondheim | 2022 |
| Loving Life AS | Oslo | 2017 |
| Lovisenberg Diakonale Barnehage AS | Oslo | 2022 |
| Lovisenberg Diakonale Høgskole AS | Oslo | 2009 |
| Lovra Opplæringssenter AS | Stavanger | 2023 |
| Low Invest AS | Oslo | 2017 |
| LSM Invest AS | Lyngdal | 2024 |
| Lucams Active AS | Bekkjarvik | 2025 |
| Lucas Smebøle AS | Lørenskog | 2026 |
| Ludens Norge AS | Ålesund | 2006 |
| Ludvig AS | Frekhaug | 2017 |
| Luftfartsutdanning Sør AS | Kjevik | 2011 |
| Lukas Høyere Yrkesfagskole AS | Trondheim | 2016 |