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| Levent AS | Drøbak | 2006 |
| Levi Magnussen Flyleie AS | Bjugn | 2022 |
| Lewis Engineering Services Ltd | Grimsby Dn37 0Jn | 2018 |
| Lexamo AB | Se-442 93 Kareby | 2018 |
| Lexberg.No AS | Oslo | 2013 |
| Lexum AS | Moss | 2017 |
| LF Event AS | Lyngdal | 2009 |
| LF Vaktmestertjenester AS | Klavestadhaugen | 2025 |
| LFN Drilling Comsultancy | Dk-5700 Svendborg | 2011 |
| Lft&M AS | Steinkjer | 2013 |
| LG Rental AS | Reistad | 2016 |
| LGB Consulting AB | Se-685 93 Torsby | 2010 |
| LGN Renhold AS | Skien | 2004 |
| LH Hage & Maskin AS | Tanem | 2025 |
| LHB Holding AS | Moss | 1999 |
| LHM Invest AS | Tromsø | 2012 |
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| Liaison Holthe.Com AS | Skien | 2018 |
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| Lian Maskin AS | Vennesla | 2022 |
| Lians Renhold AS | Moss | 2021 |
| Liarna Holding AS | Tysværvåg | 2024 |
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| Libe Drift Da | Larvik | 2025 |
| Liberty Alliance, LLC Nuf | Us-33614 Tampa Fl | 2024 |
| Librekkvegen Veglag Da | Rindal | 2006 |
| Libuwei Europe (Norway) Limited | London Ec1V 2Nx England | 2024 |
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| Lidal Vedlikehold & Service AS | Balestrand | 2012 |
| Liddle Engineering Ltd | Ts25 Slf Hartlepool | 2020 |
| Lidl-Zt GmbH | 5020 Salzburg | 2012 |
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| Lido Invest AS | Østerås | 2005 |
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| Lie Treverk AS | Øvrebø | 2026 |
| Lie Utleige AS | Vinje | 2024 |
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| Lien Gruppen AS | Rud | 2020 |
| Lien Holding AS | Larvik | 2019 |
| Lien Trepleie Og Utemiljø AS | Rud | 2018 |
| Lien Utleie AS | Nedenes | 2026 |
| Liens Holding AS | Bergen | 2016 |
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| Lierne Lavvoutleie Da | Nordli | 2011 |
| Lifestyle Focus AS | Hosle | 2007 |
| Lifi Invest AS | Haslum | 2011 |
| Lifjell Service AS | Bø I Telemark | 2004 |
| Lift Me AS | Stokmarknes | 2020 |
| Lift Me Holding AS | Stokmarknes | 2020 |
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| LIFT1 AS | Myre | 2023 |
| Liftmann AS | Ålesund | 2013 |
| Liftpartner Maskin & Liftutleie AS | Ås | 2005 |
| Liftroller Equipment AS | Paradis | 2006 |
| Liftroller Rental AS | Godvik | 2019 |
| Liftutleie Sør AS | Søgne | 2012 |
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| Liga AS | Moss | 2001 |
| Lighthouse Norway AS | Tromsø | 2023 |
| Lighthouse Ship Management AS | Torangsvåg | 2007 |
| Lights on AS | Kolbjørnsvik | 2019 |
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| Ligus Da | Oslo | 2003 |
| Lihaug Reinhald AS | Dalsøyra | 2016 |
| Liis.Com AS | Oslo | 2023 |
| Lijo Renhold AS | Trondheim | 2020 |
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| Lille Bille Safari AS | Bønes | 2024 |
| Lille Blå AS | Nesodden | 2012 |
| Lille Maur AS | Trondheim | 2024 |
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| Lille Utleie AS | Søndeled | 2022 |
| Lillebru Gård AS | Siggerud | 2019 |
| Lillebø Drift AS | Ørsta | 2021 |
| Lilledal AS | Mosterhamn | 2020 |
| Lilleeidet Eiendom AS | Gravdal | 2010 |
| Lillehammer Booking Da | Øyer | 2006 |
| Lillehammer Byggservice AS | Lillehammer | 2015 |
| Lillehammer Flytteservice I Hele Innlandet Al Mubarak AS | Lillehammer | 2026 |
| Lillehammer Liftutleie AS | Lillehammer | 2013 |
| Lillehammer Lås- Og Eiendomsservice AS | Lillehammer | 2019 |
| Lillehammer Rock Event AS | Vingrom | 2024 |
| Lillehammer Security Da | Fåberg | 2002 |
| Lillehammer Stillasutleie AS | Lillehammer | 2004 |
| Lillehammer Vaskservice Da | Lillehammer | 2011 |
| Lillehammer Vinduspuss AS | Lillehammer | 2022 |
| Lillemarkens Vaktmestertjenester AS | Kristiansand S | 2013 |
| Lillemo Maskin Og Utleie AS | Løkken Verk | 2020 |
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| Lilles Utleie AS | Porsgrunn | 2023 |