| Leksvik Bilverksted AS | Leksvik | 1987 |
| Lekven Nilsen AS | Rådal | 2019 |
| Lema Am Zion Inc | California 93293-3338 | 2018 |
| Lemonwax AS | Oslo | 2015 |
| Len Nail Art AS | Skedsmokorset | 2023 |
| Lena Autoservice AS | Lena | 1997 |
| Lena Salong AS | Kvaløysletta | 2006 |
| Lenas Hudpleie AS | Søreidgrend | 2020 |
| Lene's Hudpleie AS | Hof | 2012 |
| Lenes Beauty Box Ltd Nuf | Nesbru | 2011 |
| Lenvik Billakkering AS | Finnsnes | 2004 |
| Leo Auto AS | Minnesund | 2022 |
| Leopard Barbershop AS | Trondheim | 2025 |
| Lerbergkrysset AS | Tranby | 1982 |
| Lersbryggen Bil AS | Sande I Vestfold | 2004 |
| Lervik Klinikk AS | Steinkjer | 2025 |
| Lesja Dovre Biogjødsel SA | Lesjaverk | 2025 |
| Lesja Dovre Fuglehundskole AS | Lesja | 2015 |
| Lesjaskog Auto AS | Lesjaskog | 1991 |
| Let's Ink Mini Sandefjord AS | Sandefjord | 2025 |
| Lets Ink Drammen AS | Drammen | 2024 |
| Lets Ink Larvik AS | Larvik | 2025 |
| Letterstedtska Foreningen | Arendal | 2012 |
| Levanger Auto AS | Levanger | 2017 |
| Levanger Bilelektro AS | Levanger | 2009 |
| Levanger Elektro Service AS | Levanger | 2014 |
| Levanger Elektro Service Eiendom AS | Levanger | 1987 |
| Levanger Vask Og Renseri AS | Levanger | 2016 |
| Levangersundet Marina SA | Levanger | 2009 |
| Leve Bedre AS | Mogreina | 2019 |
| Level Frisør Frosta AS | Frosta | 2017 |
| Level Sportssenter AS | Frosta | 2018 |
| Leverandørlag Gausdal Biogass SA | Østre Gausdal | 2025 |
| Leya AS | Mo I Rana | 2017 |
| Leyan AS | Ålesund | 2022 |
| Lezan Frisor AS | Drammen | 2020 |
| Lfhundetrening AS | Asker | 2025 |
| LG Verge AS | Namsos | 2024 |
| Li Vi Salongen Da | Fana | 1998 |
| Liahøis Venner | Vinterbro | 2012 |
| Lian - Eiendom AS | Stjørdal | 2008 |
| Lian-Tuningservice AS | Vestfossen | 2023 |
| Liana Laser AS | Oslo | 2024 |
| Liaplassen Kennel AS | Lundamo | 2019 |
| Liban Elegant Frisør AS | Oslo | 2013 |
| Libe Grønn Frisør AS | Malvik | 2019 |
| Lico's Hårdrøm AS | Sandnes | 2023 |
| Lid Maskin AS | Ørskog | 2014 |
| Lidogroom AS | Trøgstad | 2024 |
| Lie Begravelsesbyrå AS | Sparbu | 2018 |
| Lie FV AS | Drammen | 2006 |
| Lie-Nilsen Holding AS | Mjøndalen | 2019 |
| Lieco Auto AS | Straume | 1971 |
| Liegata Frisørsenter AS | Skien | 2007 |
| Lien Bil Eiendom AS | Vallersund | 1986 |
| Liens Systue Forandringsspesialisten AS | Oslo | 2000 |
| Lier Auto AS | Lierskogen | 2009 |
| Lier Bilservice Verksted AS | Sylling | 2022 |
| Lier Bilskade AS | Lierstranda | 2016 |
| Lier Hud Og Fot Da | Lier | 2004 |
| Lier Hud Og Laserklinikk AS | Lierskogen | 2024 |
| Lier Lastebilservice AS | Lierskogen | 2007 |
| Lierskogen Bil AS | Lierskogen | 2004 |
| Liertoppen Bilpleie AS | Lierskogen | 2015 |
| Liertoppen Rens Ans | Lierskogen | 2001 |
| Liertoppen Skomaker AS | Lierskogen | 2023 |
| Ligo Gruppen AS | Sandnes | 1988 |
| Lijordet Huseierforetak SA | Eiksmarka | 1981 |
| Lilandb AS | Sandnes | 2020 |
| Lili Frisør AS | Oslo | 2022 |
| Lilja AS | Narvik | 2020 |
| Liljegruppen AS | Haugesund | 2020 |
| Lill Hårdesign AS | Godvik | 2016 |
| Lilla Thai Massasje AS | Haugesund | 2020 |
| Lille Amir Frisør AS | Oslo | 2021 |
| Lille Dario AS | Lillehammer | 2020 |
| Lille Himmel AS | Sørumsand | 2021 |
| Lille Lab AS | Oslo | 2018 |
| Lille Lumander SA | Oslo | 2023 |
| Lille My Hudpleie Og Aromaterapi AS | Steinkjer | 1998 |
| Lille Natur AS | Gol | 2023 |
| Lille Neglestudio AS | Eidsvåg I Åsane | 2026 |
| Lille Paris Frisørsalong AS | Kristiansand S | 2011 |
| Lille Thailand Levanger AS | Levanger | 2016 |
| Lille Univers AS | Førde | 2023 |
| Lilleaker Beauty Klinikken AS | Oslo | 2025 |
| Lilleeng Motorservice AS | Gran | 2025 |
| Lillefosse Omtrekking AS | Arnatveit | 2017 |
| Lillefrisør AS | Vadsø | 2022 |
| Lillehammer Begravelsesbyrå AS | Lillehammer | 1990 |
| Lillehammer Bilskadesenter AS | Lillehammer | 1998 |
| Lillehammer Bilverksted AS | Lillehammer | 2013 |
| Lillehammer Caravanservice AS | Lillehammer | 2012 |
| Lillehammer Hud Og Velvære AS | Lillehammer | 2011 |
| Lillehammer Kosmetiske Hudklinikk AS | Lillehammer | 2005 |
| Lillehammer Mobilreparasjon AS | Lillehammer | 2017 |
| Lillehammer Sentrum Drift AS | Lillehammer | 1986 |
| Lillehammer Ski Resorts SA | Øyer | 2010 |
| Lillehammer Spa AS | Lillehammer | 2019 |
| Lillehammer Tepperens Ans | Lillehammer | 1993 |