| Epoxy Design & Gulvstøp AS | Kristiansand S | 2011 |
| Epoxy Floor S.R.L Norway Nuf | Judet Cluj | 2021 |
| Epoxy Norge AS | Stabekk | 2021 |
| Epoxy Og Betong AS | Charlottenlund | 2025 |
| Epoxybelegg AS | Trondheim | 2020 |
| Epoxycon Byggentreprenør AS | Ski | 1996 |
| Epoxygulv AS | Batnfjordsøra | 2002 |
| Epoxypartner AS | Yven | 2017 |
| Epoxyproffen AS | Sykkylven | 2024 |
| Epro AS | Malm | 2026 |
| Eps AS | Askim | 2009 |
| Eps Bygg AS | Straumsjøen | 2020 |
| Eps Fuktsikring AS | Oslo | 2008 |
| Eps Fuktsikring Midt-Norge AS | Trondheim | 2009 |
| Eps Fuktsikring Vest AS | Nesttun | 2009 |
| Eps-Bygg AS | Straumsjøen | 2025 |
| Epsilon AS | Brattholmen | 1989 |
| Epsilon Eridani B AS | Averøy | 2020 |
| EPTEC Energi AS | Oslo | 1990 |
| Equa Bygg AS | Fjerdingby | 2025 |
| Equa Entrepernør AS | Fjerdingby | 2022 |
| Equa Gruppen AS | Fjerdingby | 2022 |
| Equient AS | Oslo | 2016 |
| Er Bygg & Sten AB Nuf | Se-45633 Kungshamn | 2024 |
| Er Hegelstad AS | Bjerkreim | 2024 |
| Er-Bygg AS | Froland | 2018 |
| Er-Holding AS | Skien | 2012 |
| Era Bygg Ans | Nittedal | 2014 |
| Era Bygg Og Maler AS | Blaker | 2024 |
| Era Entreprenør AS | Oslo | 2023 |
| Era Group Norway Limited Nuf | Skogn | 2024 |
| Era Nord AS | Oslo | 2026 |
| Eranor AS | Oslo | 2021 |
| Erase AS | Oslo | 2016 |
| Erbau Jakub Dabrowski | 85-804 Bydgoscz | 2013 |
| Erbrev AS | Isfjorden | 2005 |
| Erdal Malerfirma AS | Moss | 2015 |
| Erdol S.C. Mariusz Karnia | Pl-66-446 Deszczno | 2013 |
| Ere Bygg AS | Kløfta | 2023 |
| Ere Entreprenør AS | Arendal | 2017 |
| Eresilbygg AS | Østre Gausdal | 2021 |
| Erevik Maskin AS | Sola | 2023 |
| Erga AS | Orre | 2005 |
| Erga Bygg AS | Sandnes | 2016 |
| Erga Bygg Og Anlegg AS | Hvittingfoss | 2022 |
| Erga VVS AS | Sandnes | 2012 |
| Ergon Rør AS | Langhus | 2018 |
| Ergotek AS | Tolvsrød | 2018 |
| Erhard Meyer AS | Stonglandseidet | 2012 |
| Erich Bundschuh Holzbau | De-74731 Walldürn | 2018 |
| Erich Felfernig GmbH | 9412 St Margarethen Im Lavanttal | 2010 |
| Erichsen Byggplan AS | Åmli | 2020 |
| Erifa AS | Langhus | 2023 |
| Erik & Morten Bygg Da | Sarpsborg | 2000 |
| Erik Aarum Holding AS | Trøgstad | 2024 |
| Erik Bach AS | Larvik | 2022 |
| Erik Bang Holding AS | Bjørnevatn | 2018 |
| Erik Brænden Eiendom & Maskin AS | Enger | 2013 |
| Erik Davidsen AS | Rygge | 2022 |
| Erik Eggum AS | Sørumsand | 1992 |
| Erik Flobakk AS | Spydeberg | 2022 |
| Erik Hubred Nygård Holding AS | Årnes | 2023 |
| Erik Invest AS | Oslo | 2005 |
| Erik J. Stenshorne AS | Vestfossen | 2012 |
| Erik Johansson AS | Sarpsborg | 2009 |
| Erik Maling & Rehabilitering AS | Sogndal | 2020 |
| Erik Mellegaard AS | Trøgstad | 2013 |
| Erik Nastad AS | Øydegard | 1984 |
| Erik Nodeland AS | Mandal | 2021 |
| Erik Nubberud Fjellsprenging AS | Prestfoss | 2018 |
| Erik Ramstad AS | Prestfoss | 2022 |
| Erik Sagerud AS | Stabekk | 2017 |
| Erik Schenk VVS AS | Krokstadelva | 2019 |
| Erik Sveen AS | Svingvoll | 2014 |
| Erik Valle & Sønn AS | Son | 2023 |
| Eriks Snekkerservice AS | Ålesund | 2008 |
| Eriksen & Jensen AS | Oslo | 1986 |
| Eriksen & Larsen AS | Sarpsborg | 2017 |
| Eriksen & Welmer Mur Og Flis AS | Tønsberg | 2006 |
| Eriksen Bygg Og Vedlikehold AS | Lindesnes | 2006 |
| Eriksen Eksplosiver AS | Gravdal | 2018 |
| Eriksen Elektro AS | Karasjok | 2012 |
| Eriksen Elektroservice AS | Harstad | 2024 |
| Eriksen Entreprenør AS | Grimstad | 2014 |
| Eriksen Heis Service | Se-880 41 Edsele | 2018 |
| Eriksen Luftteknikk AS | Harstad | 2025 |
| Eriksen Maskin AS | Alta | 2007 |
| Eriksen Og Rønningen Bygg Da | Ingeberg | 2011 |
| Eriksen Rør & Dykk AS | Båtsfjord | 2024 |
| Eriksen VVS AS | Fiskum | 2022 |
| Eriksen-Maskin AS | Rauland | 2011 |
| Eriksens Holding AS | Lillehammer | 2026 |
| Eriksson Byggtjenester AS | Nordli | 2014 |
| Eriksson Dykeri AB | Se-89251 Domsjö | 2011 |
| Eringis Byggeservice AS | Sande I Vestfold | 2021 |
| Erklev Maskin & Transport AS | Bjugn | 2025 |
| Erkomat OY | Fi-48100 Kotka | 2011 |
| Erland Anlegg AS | Lindesnes | 2021 |
| Erland Paulsrud Holding AS | Follebu | 2024 |
| ERLANDS1 Holding AS | Vadsø | 2023 |