| Ligo Filmgalleriet Skåregaten AS | Haugesund | 2007 |
| Liholm AS | Oslo | 2016 |
| Likbaal SA | Bjørndalstræ | 2022 |
| Lil Group AS | Bergen | 2023 |
| Liland Lyd Og Lys Nuf | Bøstad | 2006 |
| Liljeklang AS | Trondheim | 2009 |
| Lille Berlin AS | Oslo | 2020 |
| Lille Bjørn AS | Lillehammer | 2023 |
| Lille Flatland AS | Oslo | 2013 |
| Lille Frøen Tennisbane Ans | Oslo | 2005 |
| Lille Troende Ans | Oslo | 2025 |
| Lillebo Kulturlåve AS | Drevsjø | 2023 |
| Lillebo Mangesysleri AS | Drevsjø | 2025 |
| Lilleby Treningssenter AS | Trondheim | 2018 |
| Lillebyparken AS | Sandefjord | 2020 |
| Lillehammer Curlingarrangementer AS | Lillehammer | 2020 |
| Lillehammer Fotballhall AS | Lillehammer | 2017 |
| Lillehammer Lekeland AS | Lillehammer | 2022 |
| Lillehammer Live AS | Lillehammer | 2017 |
| Lillehammer Lyd Og Lys AS | Lillehammer | 2013 |
| Lillehammer Olympiapark AS | Lillehammer | 1990 |
| Lillehammer Paintball Da | Fåberg | 2005 |
| Lillehammerfjellet Tur- Og Løypeselskap SA | Lillehammer | 2004 |
| Lilleheie & Sønn AS | Oslo | 2020 |
| Lillelieranch AS | Stange | 2025 |
| Lilleputthammer Lekeland AS | Øyer | 2006 |
| Lillesand Treningssenter AS | Lillesand | 2026 |
| Lillesand Treningsstudio AS | Malvik | 2014 |
| Lillesand-Flaksvandbanen AS | Birkeland | 2016 |
| Lillestrøm Event AS | Lillestrøm | 2019 |
| Lillestrøm Golfcenter Ans | Lillestrøm | 2001 |
| Lillestrøm Holding AS | Jessheim | 2020 |
| Lillevik Formidling AS | Narvik | 2019 |
| Lilleøyen Fjordhest AS | Støren | 2020 |
| Limt AS | Bodø | 2006 |
| Lina Taule Fjørtoft Scenekunst AS | Bergen | 2024 |
| Linda Pano AS | Skien | 2023 |
| Linda Stuhaug AS | Førde | 2019 |
| Lindas Gym AS | Stord | 2004 |
| Linderud Flerbrukshall AS | Oslo | 2017 |
| Lindesnes Lekeland AS | Lindesnes | 2019 |
| Lindesnes Trening AS | Lindesnes | 2021 |
| Lindland Gård AS | Holum | 2017 |
| Lindmo & Sønner AS | Oslo | 2008 |
| Line Dybedal AS | Selje | 2025 |
| Line Verndal AS | Oslo | 2009 |
| Lingalaks Akvasenter AS | Norheimsund | 2007 |
| Linhave AS | Oslo | 2025 |
| Linjer Laksevald SA | Årdal I Ryfylke | 2023 |
| Link Bingo AS | Fagernes | 2001 |
| Linn Isabel Eielsen AS | Kolnes | 2021 |
| Linnea Da | Snertingdal | 2002 |
| Linni Meister AS | Oslo | 2017 |
| Lisa & Lunden AS | Svanøybukt | 2016 |
| Lisa Bandgren | Se-662 95 Fengersfors | 2022 |
| Lisa Lie Ponr AS | Oslo | 2025 |
| Liscomp AS | Kristiansand S | 2022 |
| Lismarka Og Mesnali Grunneierlag SA | Lismarka | 1983 |
| Lista Fyr AS | Borhaug | 2019 |
| Lit Music AS | Oslo | 2017 |
| Litart AS | Oslo | 2024 |
| Litle Færøyna Kystkulturlag SA | Hardbakke | 1990 |
| Littkritikk AS | Risør | 2013 |
| Little Daggers Touring AS | Oslo | 2021 |
| Little Sister SA | Sortland | 2014 |
| Liv Hanne Haugen AS | Tromsø | 2023 |
| Liv Laga Entertainment Da | Selbu | 2025 |
| Live Event Partner AS | Moss | 2024 |
| Live Events AS | Bergen | 2005 |
| Live Foyn Friis AS | Nesøya | 2009 |
| Live Landmark AS | Jar | 2012 |
| Live Nation (Music) UK Limited | London W1F 7Ts England | 2014 |
| Live Rabo Holding AS | Bergen | 2024 |
| Liveco AS | Singsås | 2019 |
| Livegym AS | Charlottenlund | 2013 |
| Livelily Story Explorer AS | Sjøvegan | 2016 |
| Livemusic AS | Hamar | 2012 |
| Liverpoolblogg.No Da | Oslo | 2012 |
| Livingroom Studios AS | Oslo | 1999 |
| Livsgnistring AS | Tranøy | 2013 |
| Livsnyter AS | Ålesund | 2024 |
| Livsstilsenteret Storebø AS | Storebø | 2012 |
| Liwi Holding AS | Sarpsborg | 2019 |
| Lizard of Oz AS | Andenes | 2023 |
| Lizzy & Frizzy Da | Oslo | 2018 |
| Ljosland Skisenter AS | Åseral | 1989 |
| Ljugekroken SA | Oslo | 2016 |
| Ljå Ans | Stavanger | 2012 |
| Ljøkjel Fiskevald SA | Fannrem | 1970 |
| LKH Nord AS | Lødingen | 2005 |
| LL Det Norske Teatret | Oslo | 1912 |
| Lloydville AS | Røyken | 2013 |
| Lm-Artist AS | Moss | 2015 |
| Lme AS | Tolvsrød | 2024 |
| LNL Da | Rolvsøy | 2024 |
| Lo Laksefiske Da | Storås | 2022 |
| Location Lofoten AS | Kabelvåg | 2014 |
| Locomusic Da | Oslo | 1996 |
| Loda Da | Oslo | 2001 |
| Loddoenget Skytebane SA | Høylandet | 1989 |