| Drammensveien 1 Utvikling AS | Real estate | 2020 |
| Draum Design AS | Professional & scientific | 2016 |
| Dreadnought Capital AS | | 2024 |
| DRG27 AS | Real estate | 2022 |
| Drillcon Norway AS | Professional & scientific | 2009 |
| Driv Rekruttering Og Rådgivning AS | Administrative & support | 2023 |
| Driva Sport Da | Wholesale & retail | 2025 |
| Drolshammer AS | Information & communication | 2017 |
| Dronningensgate 10 AS | Real estate | 1998 |
| Dronningensgate 10 Holding AS | Real estate | 2019 |
| Dronningensgate 23 Moss AS | Real estate | 2015 |
| Dronningensgt. 8 AS | Real estate | 2005 |
| Drømmekjøkkenet Moss AS | Wholesale & retail | 2018 |
| Drømmeverkstedet AS | Wholesale & retail | 2015 |
| DTH Derma AS | Health & social care | 2014 |
| DTR AS | Information & communication | 2022 |
| Ducatria Ans | Information & communication | 2008 |
| Duo Frisør Og Fotterapi AS | Other services | 2016 |
| Duoworks AS | Information & communication | 2025 |
| Dustin Norway AS | Wholesale & retail | 1979 |
| Dyre Gård AS | Agriculture & fishing | 2020 |
| Dyreatferdssenteret AS | Professional & scientific | 2018 |
| DeFacto AS | Real estate | 1984 |
| Dør & Vindu Moss AS | Wholesale & retail | 2011 |
| E. Andersen Handel AS | Wholesale & retail | 2026 |
| Easy Rent AS | Administrative & support | 2001 |
| Easypick AS | Professional & scientific | 2016 |
| Easywave AS | Information & communication | 2023 |
| Eats 1 AS | Real estate | 2008 |
| Eats 6 AS | Real estate | 2021 |
| Eats 7 AS | Real estate | 2021 |
| Eats 8 AS | Real estate | 2010 |
| Eats AS | Real estate | 2007 |
| Eci Software Solutions Norway AS | Information & communication | 2021 |
| Ecn AS | Information & communication | 2001 |
| Eco AS | Real estate | 2025 |
| Eco Commerce AS | Professional & scientific | 2018 |
| Eco Fish Farming AS | Professional & scientific | 2023 |
| Eco Nor Solutions AS | Real estate | 1985 |
| Ecoadvis AS | Professional & scientific | 2019 |
| Ecovis Accounting Norway AS | Professional & scientific | 2020 |
| Eden Boligutvikling AS | Real estate | 2019 |
| Edge Vision Invest AS | Information & communication | 2026 |
| Edleco AS | Energy | 2007 |
| Eegstraordinary Holding AS | | 2025 |
| Ef Invest AS | Financial services | 2005 |
| Effektiv Råd Og Regnskap AS | Professional & scientific | 2006 |
| Egal Advokater AS | Professional & scientific | 2024 |
| Egal AS | Real estate | 2010 |
| Egen Holding AS | Administrative & support | 2024 |
| Eggen Drift Og Eiendom AS | Real estate | 2015 |
| Eggesvik AS | | 2023 |
| Egron Invest AS | Professional & scientific | 2016 |
| Eiendom & Utviklingspartner AS | Construction | 1991 |
| Eiendom Og Invest AS | Real estate | 1997 |
| Eiendomsmegler 1 Østfold Akershus AS | Real estate | 1982 |
| Eiendomsmegler Moss AS | Real estate | 2010 |
| Eigin AS | Professional & scientific | 2022 |
| Einar Sverre Helseth Invest AS | | 2024 |
| Einlia AS | Hospitality | 2025 |
| Eira Group AS | | 2026 |
| Eira Import AS | Wholesale & retail | 1981 |
| Eirik Husa Holding AS | | 2023 |
| Eiriva AS | Health & social care | 2024 |
| Eisval Transport AS | Transport & logistics | 2006 |
| Eivind Brekke Fysioterapi AS | Health & social care | 2025 |
| Ejohns AS | Information & communication | 2017 |
| Ekholt Barnehage SA | Education | 1997 |
| Ekholt Fotterapi AS | Health & social care | 2023 |
| Ekholtveien 35 AS | Real estate | 2008 |
| Ekko AS | Arts & recreation | 2016 |
| Ekman & Co AB | Wholesale & retail | 2003 |
| Ekofib AS | Wholesale & retail | 2019 |
| Ekofib Lotterier AS | Professional & scientific | 2023 |
| Ekri Helseapparater AS | Wholesale & retail | 2015 |
| Eksosanlegg AS | Other services | 2019 |
| Ekstroem Consult Limited Nuf | Administrative & support | 2015 |
| El-Mark AS | Construction | 2017 |
| Ela-Eiendom AS | Real estate | 2017 |
| Elastrio AS | Information & communication | 2020 |
| Eldbjørg Akademiet AS | Arts & recreation | 2013 |
| Elegant Hus AS | Wholesale & retail | 2021 |
| Eleiko Sport AS | Wholesale & retail | 2015 |
| Elexir Pharma Capital Norge Nuf | Wholesale & retail | 2011 |
| Elfving Holding AS | Manufacturing | 2003 |
| Elgveien Invest AS | Manufacturing | 2015 |
| Elibusk AS | Administrative & support | 2021 |
| Elimar AS | | 2023 |
| Elite Details AS | Other services | 2024 |
| Elite Sikkerhet AS | Health & social care | 2019 |
| Elitex AS | Other services | 2024 |
| Elkjøp Moss AS | Wholesale & retail | 2024 |
| Elkjøp Stormarked Moss AS | Wholesale & retail | 1997 |
| Ellen Stav AS | Professional & scientific | 2023 |
| Elpan & Wanpan Varmesystemer Norge AS | Wholesale & retail | 2024 |
| Elprem AS | Construction | 2020 |
| Elster Invest AS | | 2023 |
| Elvebredden Moss AS | Real estate | 2015 |
| Elvebredden Utvikling AS | Real estate | 2022 |
| Em Hudpleie AS | Other services | 2017 |