| Libjå Maskindrift Da | Fyresdal | 2016 |
| Libo Group | Cz-11000 Praha | 2022 |
| Libra Entreprenør Da | Oslo | 2002 |
| Lid Bygg & Betong AS | Voss | 2018 |
| Lid Ventilasjon AS | Oslo | 1997 |
| Lidbu Eiendom AS | Geilo | 1999 |
| Lie & Gustafsson AS | Sandnes | 2005 |
| Lie & Gustafsson Eiendom AS | Sandnes | 2007 |
| Lie & Solum Graveservice Ans | Hokksund | 1989 |
| Lie Anlegg AS | Øvrebø | 2015 |
| Lie Blikk AS | Klepp Stasjon | 2005 |
| Lie Bygg & Eiendom AS | Sylling | 2013 |
| Lie Bygg & Miljø AS | Torød | 2019 |
| Lie Bygg AS | Hvittingfoss | 1997 |
| Lie Entreprenørservice AS | Gaupne | 2001 |
| Lie Glass AS | Klepp Stasjon | 2020 |
| Lie Graveservice AS | Kvelde | 2013 |
| Lie Gruppen AS | Klepp Stasjon | 2021 |
| Lie Malerservice AS | Ridabu | 2016 |
| Lie NK AS | Oslo | 2022 |
| Lie Og Holt Maskin AS | Hvittingfoss | 2025 |
| Lie Ventilasjon AS | Sandnes | 2005 |
| Lie VVS AS | Hamar | 2015 |
| Lie-Myhre AS | Oslo | 2021 |
| Liebekk Invest AS | Gressvik | 2022 |
| Liebygg AS | Tjelta | 2007 |
| Liegata 25 AS | Skien | 2012 |
| Lien & Co AS | Bardu | 1987 |
| Lien AS | Saupstad | 2026 |
| Lien Byggservice AS | Trondheim | 2017 |
| Lien Elektro AS | Rakkestad | 2014 |
| Lien Og Bjørnstad Da | Brumunddal | 1997 |
| Lien Og Ljostveit Holding AS | Stord | 2024 |
| Lien Rørservice AS | Heimdal | 2020 |
| Lien Sag Invest AS | Biri | 2006 |
| Lien's Anleggsteknikk AS | Bodø | 2023 |
| Lienco Holding AS | Bardu | 2020 |
| Liene Restaurering AS | Bjorbekk | 2024 |
| Liens Elektro AS | Evje | 2024 |
| Liens Maskin AS | Velfjord | 2016 |
| Lier Anlegg AS | Lier | 2004 |
| Lier Blikk AS | Lierstranda | 1976 |
| Lier Graving Og Transport AS | Lier | 2013 |
| Lier Håndverk AS | Tranby | 2012 |
| Lier Industrimontasje AS | Drammen | 2015 |
| Lier Maskin & Betong AS | Bærums Verk | 2026 |
| Lier Rør Og Bad AS | Drammen | 2001 |
| Lier Rørsenter AS | Lierstranda | 1990 |
| Lierhus Boligutvikling AS | Drøbak | 2015 |
| Lierne 1-2-3 AS | Nordli | 2012 |
| Lierne Bygg Og Service Da | Sørli | 2022 |
| Lierne Mesterbygg AS | Nordli | 2006 |
| Lierne Tre AS | Nordli | 2009 |
| Lierskogen Anlegg AS | Lierskogen | 1997 |
| Liestøl Betong AS | Bryne | 2024 |
| Lifa Håndtverk AS | Skarnes | 2018 |
| Life Effect AS | Oslo | 2025 |
| Lift Og Vaktmesterservice Da | Trondheim | 2000 |
| Lift Tech AS | Ålesund | 1992 |
| Lift-Projekt | Hr-10000 Zagreb | 2020 |
| Liftconsult AS | Trondheim | 2012 |
| Liginprof AS | Fosnavåg | 2014 |
| Lignum Sol AS | Bekkestua | 2021 |
| Lih Bygg AS | Stavern | 2017 |
| Lih Malerservice AS | Sævelandsvik | 2012 |
| Liha AS | Torpo | 2005 |
| Liholt Hyttebygg Da | Halden | 2006 |
| Like Invest AS | Rørvik | 2024 |
| Likea Nuf | Lt-91222 Klaipeda | 2022 |
| Liland Bygg AS | Laupstad | 2019 |
| Liland Entreprenad | Horten | 1999 |
| Lileng Eiendom AS | Oslo | 2026 |
| Liljedahl Graveservice AS | Vangsnes | 2014 |
| Liljedahl Maskintjenester AS | Rauland | 2022 |
| Lillagorilla AS | Oslo | 2022 |
| Lillas Svets & Maskin AB | Se-46334 Lilla Edet | 2012 |
| Lille Tyske Spitsbergen Tømrerkompani AS | Longyearbyen | 2024 |
| Lille Tømrer AS | Tranby | 2022 |
| Lilleberg Bygg AS | Nøtterøy | 2024 |
| Lilleberg Mur Og Bygg AS | Sparbu | 2025 |
| Lilleberg Og Larsen Ans | Flisa | 1990 |
| Lilleberg Snekkerverksted AS | Sparbu | 2025 |
| Lilleengen Bygg AS | Gjøvik | 2024 |
| Lillefjell AS | Steinkjer | 2002 |
| Lillefosse Bygg AS | Garnes | 2018 |
| Lillefosse Holding AS | Indre Arna | 2018 |
| Lillegaard Holding AS | Bodø | 2005 |
| Lillegrinden AS | Trysil | 2019 |
| Lillehammer Brønnboring AS | Lillehammer | 1998 |
| Lillehammer Byggelementer AS | Lillehammer | 2021 |
| Lillehammer Elektro AS | Lillehammer | 2013 |
| Lillehammer Grus AS | Fåberg | 2018 |
| Lillehammer Kulde AS | Lillehammer | 2011 |
| Lillehammer Mur & Flis AS | Lillehammer | 2003 |
| Lillehammer Rørservice AS | Lillehammer | 2025 |
| Lillehammer Snekker Og Vaktmesterservice AS | Lillehammer | 2025 |
| Lillehammer Snekkertjenester AS | Lillehammer | 2025 |
| Lillehammer Tak AS | Lillehammer | 2018 |
| Lillehammer Ventilasjon AS | Lillehammer | 1990 |
| Lillehei Bygg & Skog AS | Vanse | 2024 |