| Entreprenør Hogne Myrvold & Co AS | Hvalstad | 1985 |
| Entreprenør JB Selnes AS | Verdal | 2010 |
| Entreprenør Jostein Oen AS | Rong | 2022 |
| Entreprenør K Holseter AS | Vestnes | 1998 |
| Entreprenør Kenneth Østlyngen AS | Alta | 2023 |
| Entreprenør Kjell Mørk AS | Grålum | 2004 |
| Entreprenør Kjetil Walle AS | Dokka | 2015 |
| Entreprenør Kristian Eriksen AS | Vestfossen | 2024 |
| Entreprenør Litzheim AS | Bjørkelangen | 2017 |
| Entreprenør Magnar Sivertsen AS | Eidsvåg I Åsane | 1989 |
| Entreprenør Magne Heldal AS | Straumsgrend | 2020 |
| Entreprenør Mats Sundelin AS | Stjørdal | 2012 |
| Entreprenør Nygaard AS | Gran | 2023 |
| Entreprenør Odd Steinar Hansen AS | Raufoss | 2000 |
| Entreprenør Og Konsulent Myhre AS | Fevik | 2021 |
| Entreprenør Og Rengjøringservice AS | Råde | 2014 |
| Entreprenør Oslo Service AS | Hakadal | 2021 |
| Entreprenør Pål Hatteland AS | Kleppe | 2005 |
| Entreprenør Pål Pedersen AS | Straumsjøen | 2016 |
| Entreprenør Roger Mjåtveit AS | Nyborg | 1995 |
| Entreprenør Rune Ulvatn AS | Manger | 1989 |
| Entreprenør Sten Turmo AS | Mosjøen | 2008 |
| Entreprenør Sundli AS | Inderøy | 2011 |
| Entreprenør Svein Oves AS | Roa | 1998 |
| Entreprenør Svein Rommen AS | Oslo | 1985 |
| Entreprenør T Johansen AS | Alta | 2022 |
| Entreprenør Team AS | Mosjøen | 1999 |
| Entreprenør Tonny Tufte AS | Lonevåg | 2012 |
| Entreprenør Tor Borten Maskin AS | Ler | 2007 |
| Entreprenør Tore Sandell AS | Oslo | 2021 |
| Entreprenør Tormod Ånerud AS | Skarnes | 1989 |
| Entreprenør Trygve Seldal AS | Sandnes | 1997 |
| Entreprenør Ulf Solbakken AS | Skien | 1997 |
| Entreprenør Vegard Kristiansen AS | Fall | 2021 |
| Entreprenør Vest AS | Vassenden | 2021 |
| Entreprenør Welin & Haneborg AS | Oslo | 1992 |
| Entreprenør Ådnekvam & Steinsland AS | Nyborg | 2024 |
| Entreprenør- Furuheim AS | Andebu | 2025 |
| Entreprenøren AS | Sykkylven | 2020 |
| Entreprenørfirma Frode Olsson AS | Stavanger | 1995 |
| Entreprenørfirma Haakon Skuggedal AS | Larvik | 2021 |
| Entreprenørfirma Leif Øygarden AS | Sannidal | 1999 |
| Entreprenørfirmaet Kalin & Vernan Da | Skedsmokorset | 2000 |
| Entreprenørgruppen AS | Tananger | 2015 |
| Entreprenørselskapet Johs Granås AS | Nannestad | 2010 |
| Entreprenørselskapet Stenberg & Co AS | Gran | 1987 |
| Entreprenørservice AS | Skedsmokorset | 1962 |
| Entreprenørservice AS | Veggli | 1997 |
| Entreprenørservice AS | Førde | 1998 |
| Entreprenørservice Lien AS | Vestre Gausdal | 2025 |
| Entrepretor AS | Mosjøen | 1994 |
| Entrex Bygg AS | Lierskogen | 2019 |
| Entrix AS | Sandefjord | 2025 |
| Entró Entreprenør AS | Svelvik | 2025 |
| Entura Entreprenør AS | Asker | 2019 |
| Entura Prosjekt AS | Asker | 2025 |
| Envatec AS | Krokkleiva | 2023 |
| Envatec Holding AS | Krokkleiva | 2021 |
| Envico AS | Os | 2022 |
| Envieco AS | Oslo | 2020 |
| Envira Bygg AS | Lundegrend | 2018 |
| Enviro AS | Sandnes | 2023 |
| Enviro Bygg AS | Kongsvinger | 2016 |
| Enviro Elektro AS | Oslo | 2020 |
| Enviro Entreprenør AS | Oslo | 2016 |
| Enviro Group AS | Gullaug | 2019 |
| Enviro Gruppen AS | Oslo | 2023 |
| Enviro Rørservice AS | Oslo | 2024 |
| Enviro VVS AS | Askim | 2022 |
| Envytech Solutions Nuf | Se-120 08 Stockholm | 2021 |
| Enzo Sikkerhet AS | Nesoddtangen | 2016 |
| Enøk Elektroinstallasjon AS | Gressvik | 2007 |
| Enøk Energisystemer AS | Sperrebotn | 2024 |
| Enøk Ottadalen Ans | Skjåk | 2000 |
| Enøk Systemer Holding AS | Borgenhaugen | 2006 |
| Enøk Total Elektro AS | Mandal | 2000 |
| Enøk-Spesialisten Nuf | Våler I Østfold | 2008 |
| Enøk-Systemer AS | Borgenhaugen | 2017 |
| Eo Maskin AS | Buvika | 2020 |
| Eok Bygg AS | Skaun | 2017 |
| Eolus Vind Norge Holding AS | Oslo | 2018 |
| Eomac UK Limited | Sunderland Ent Pk E Sr5 2Tq | 2015 |
| Eos Gruppen AS | Lysaker | 2024 |
| Eos Invest AS | Stryn | 2025 |
| Eos Rør AS | Lysaker | 2024 |
| Eosh Holding AS | Raufoss | 2015 |
| Ep Anlegg AS | Arendal | 2011 |
| Ep Bygg Og Maler AS | Oslo | 2012 |
| Ep Bygg Og Marine AS | Alta | 2018 |
| Ep Construction AS | Vormsund | 2017 |
| Ep Elektroservice AS | Oslo | 2020 |
| Ep Maskin AS | Sande I Vestfold | 2017 |
| Ep Service AS | Lillehammer | 2023 |
| Ep Teknisk AS | Bjørøyhamn | 2026 |
| Epc Mont D.O.O. | Si 2000 Maribor | 2011 |
| Epistone Lda | Pt-2475-116 Benedita | 2019 |
| Epko AS | Leirsund | 2006 |
| Epm Kulde AS | Sandefjord | 2023 |
| Epoxy AS | Kristiansand S | 2023 |
| Epoxy Betong Service AS | Lørenskog | 2011 |