| Eiker Husbygg AS | Mjøndalen | 1993 |
| Eiker Husbygg Eiendom AS | Mjøndalen | 2023 |
| Eiker Husbygg Holding AS | Mjøndalen | 2006 |
| Eiker Rør Og Totalbad AS | Mjøndalen | 2016 |
| Eiker Rørservice AS | Skotselv | 2018 |
| Eiker Tak & Membran AS | Solbergelva | 2011 |
| Eiker Tak Og Blikk AS | Solbergelva | 2014 |
| Eikeset Maskin AS | Bremanger | 2021 |
| Eikeskogvegen 23 AS | Aksdal | 2018 |
| Eikestubben AS | Stord | 2023 |
| Eikhaug Bygg&Bolig AS | Nesttun | 2026 |
| Eikland Bygg AS | Kviteseid | 2022 |
| Eikland Entreprenør AS | Vråliosen | 2023 |
| Eikland Maskin AS | Kviteseid | 2005 |
| Eiklid & Ekdahl Elektro AS | Oslo | 2026 |
| Eiklid & Ekdahl Elektro AS | Oslo | 1997 |
| Eiklid Elektro AS | Gol | 2006 |
| Eiko Montasje Service AS | Hommersåk | 2024 |
| Eikre Bygg AS | Blaker | 2026 |
| Eikrem Maskin Og Transport AS | Syvde | 1992 |
| Eikseterveien SA | Lier | 2021 |
| Eiksmarka Rørlegger Service AS | Stabekk | 2023 |
| Eikså Invest AS | Mandal | 2005 |
| Eikvig AS | Oslo | 2017 |
| Eikås Bygg AS | Søgne | 2026 |
| Eikås Hytter Og Hus AS | Eiken | 1998 |
| Eiler Thomsen Alufacader | Dk-7500 Holstebro | 2015 |
| Eilertsen Entrepenør AS | Oslo | 2021 |
| Eilertsen Og Hjertås Bygg AS | Follese | 2013 |
| Eilertsen Rørservice AS | Siggerud | 2022 |
| Eilerås Maskin AS | Haugesund | 2011 |
| Eilev Sørbøen AS | Ål | 2017 |
| Eilif Pedersen AS | Stonglandseidet | 2025 |
| Eilifsen Elektro AS | Bergen | 2023 |
| Eilifsen Holding AS | Frekhaug | 2023 |
| Eima Bygg AS | Molde | 2026 |
| Eima Bygg Og Utleie AS | Jar | 2022 |
| Eima Snekker AS | Korgen | 2023 |
| Eimavite Holding AS | Arendal | 2021 |
| Eimo AS | Talgje | 2018 |
| Eimo Landskap AS | Hundvåg | 2005 |
| Eimo Mur & Flis AS | Tveit | 2023 |
| Ein Dag AS | Bolstadøyri | 2022 |
| Einar Bjørnstad & Sønn AS | Oslo | 1972 |
| Einar Jin Apalnes Drift AS | Askim | 2023 |
| Einar Jin Apalnes Holding AS | Askim | 2023 |
| Einar Karlsen AS | Røyse | 2015 |
| Einar Kleiven AS | Lommedalen | 2024 |
| Einar Knutsen Bryne AS | Bryne | 2009 |
| Einar Krogset AS | Skaun | 2017 |
| Einar Mork Snekkerverksted AS | Averøy | 1987 |
| Einar Nytræ AS | Os | 2016 |
| Einar Stubberud Holding AS | Oslo | 2024 |
| Einar Sundsdal AS | Lillesand | 1989 |
| Einar Sørensen Maskinentreprenør AS | Tromsø | 2005 |
| Einars AS | Vegårshei | 2005 |
| Einarsen Bygg & Mekaniske AS | Kopervik | 2025 |
| Einarsen Drift AS | Trondheim | 2025 |
| Einarsen Holdings AS | Kopervik | 2025 |
| Einarsen Investment AS | Trondheim | 2020 |
| Einarsen Takfornying AS | Trondheim | 2020 |
| Einarsrehab AS | Ski | 2016 |
| Einemo AS | Lærdal | 1990 |
| Einerkjær Maskin AS | Frolands Verk | 2012 |
| Eines Rør AS | Tromsø | 2019 |
| Einherjar Corp Nuf | Borgenhaugen | 2025 |
| Einlyng Bygg AS | Oslo | 2022 |
| Einor AS | Støren | 2004 |
| Einset Holding AS | Oslo | 2023 |
| Einstulen Bygg AS | Høvik | 2017 |
| Eintveit Bygg AS | Randaberg | 2012 |
| Einvik Eiendom AS | Knarrlagsund | 2014 |
| Eios Maskindrift AS | Silsand | 2023 |
| Eipa Byggservice AS | Sjøvegan | 2025 |
| Eiqon AS | Asker | 2016 |
| Eiqon Betong Holding AS | Asker | 2024 |
| Eiqon Betongbygg Holding AS | Lierstranda | 2019 |
| Eiqon Bygg Holding AS | Lierstranda | 2019 |
| Eiqon Holding AS | Lierstranda | 2018 |
| Eira Anlegg AS | Kautokeino | 2017 |
| Eirik & Odd Nornes AS | Kaupanger | 2022 |
| Eirik Andresen AS | Frolands Verk | 2018 |
| Eirik Bettum AS | Nøtterøy | 2021 |
| Eirik Bjørnestad Flis Og Mur AS | Godvik | 2015 |
| Eirik Bolstad AS | Lærdal | 2021 |
| Eirik Hoaas AS | Alta | 2013 |
| Eirik Sars Bygg & Eiendom AS | Lillesand | 2017 |
| Eirik Schjølberg AS | Vågå | 2023 |
| Eirik Trædal AS | Haugsvær | 2021 |
| Eiro AS | Tromsø | 2016 |
| Eisa.Bygg AS | Oslo | 2026 |
| Eise AS | Larvik | 2018 |
| Eismann Holding AS | Eidsvåg I Åsane | 2019 |
| Eisold Bygg Og Vedlikehold AS | Kolbotn | 2010 |
| Eiterjord Grunneierlag SA | Moldjord | 1980 |
| Eiternes El-Installasjon AS | Skogn | 2002 |
| Eitland Bygg AS | Tonstad | 2025 |
| Eitrheim AS | Hemsedal | 2016 |
| Eivind Bangors Design Og Tømmerservice AS | Gamle Fredrikstad | 2016 |
| Eivind Eide AS | Krokstadelva | 2012 |