| Devello AS | Information & communication | 2025 |
| Devinco Services AS | Information & communication | 2024 |
| Devolds Regnskapskontor AS | Professional & scientific | 1987 |
| Devop AS | Real estate | 2012 |
| Devora AS | Information & communication | 2024 |
| Devpartner AS | Information & communication | 2023 |
| Dewiz Consulting AS | Professional & scientific | 2023 |
| Dewiz Management Consulting AS | Professional & scientific | 2025 |
| DHH Holding AS | | 2020 |
| Dhold AS | | 2020 |
| Diagnostic Ultrasound Norway AS | Education | 2021 |
| Dialektordboka Ans | Education | 2022 |
| Dialog Advokater AS | Professional & scientific | 2009 |
| Dialogskills AS | Education | 2026 |
| Diamond Leaders Coaching Investment | | 2023 |
| Diamond Leaders Coaching Nuf | Professional & scientific | 2023 |
| Diary's Cut & Shave AS | Other services | 2019 |
| Dichesbuen AS | Financial services | 2014 |
| Didriksen Design & Kjøkken AS | Wholesale & retail | 2025 |
| Digame AS | Health & social care | 2023 |
| Digg Hair Holding AS | Other services | 2020 |
| Digg Hair Studio AS | Other services | 2020 |
| Diggecard AS | Information & communication | 2014 |
| Diggecard Solutions AS | Information & communication | 2023 |
| Digi Food AS | Information & communication | 2018 |
| Digiplay AS | Real estate | 2013 |
| Digit Holding AS | Professional & scientific | 2021 |
| Digital Equity AS | Information & communication | 2025 |
| Digital Rain AS | Information & communication | 2021 |
| Digital Strategi AS | Professional & scientific | 2024 |
| Digital Strategi Avd. Oslo AS | Professional & scientific | 2025 |
| Digitaliq AS | Professional & scientific | 2016 |
| Digitalt Verdinettverk AS | Information & communication | 2016 |
| Digitektene AS | Professional & scientific | 2024 |
| Digitroll AS | Information & communication | 2017 |
| Digitroll Holding AS | Information & communication | 2017 |
| Digso AS | Information & communication | 2023 |
| Dikkedokken Eiendom AS | Real estate | 1938 |
| Dilly AS | Professional & scientific | 2024 |
| Din Arbeidskraft AS | Professional & scientific | 2025 |
| Din Kosmetiske Klinikk AS | Health & social care | 2017 |
| Din-Partner AS | Professional & scientific | 1998 |
| Dinesen Invest AS | Financial services | 2003 |
| Dinesen Invest Holding AS | | 2021 |
| Dippner Entertainment Agency AS | Professional & scientific | 2003 |
| Dippner Knight Entertainment AS | Professional & scientific | 2019 |
| Dirty Group AS | Hospitality | 2020 |
| Dirtybit AS | Information & communication | 2013 |
| Discover Bergen AS | Administrative & support | 2025 |
| Distinkt Kommunikasjon AS | Arts & recreation | 2014 |
| Ditio AS | Information & communication | 2015 |
| Ditlaroche Holding AS | Hospitality | 2008 |
| Ditt Apotek Bergen Brygge AS | Wholesale & retail | 2018 |
| Diverto AS | Information & communication | 2001 |
| Dividende AS | | 1994 |
| Division Invest AS | | 2026 |
| Dizdar Eiendomsforvaltning AS | Real estate | 2005 |
| Dizdar Holding AS | Real estate | 2005 |
| DJ Holding AS | Real estate | 2018 |
| Djuka Holding AS | Hospitality | 2018 |
| Djupadalen Byggvarehus AS | Real estate | 2019 |
| Djupavika Vann Og Avløp AS | Water & waste | 2026 |
| Dko Holding AS | | 2023 |
| DLS AS | Information & communication | 2006 |
| Dlup AS | Professional & scientific | 2025 |
| DM Transport & Strøjobb Bergen AS | Transport & logistics | 2023 |
| DMC Nordic Norway AS | Administrative & support | 2009 |
| DMS Holding AS | | 2022 |
| Dnah-Group AS | | 1994 |
| DNB Ecp Invest AS | Financial services | 2022 |
| DNB Eiendomsfond Core Plus AS | Financial services | 2020 |
| DNB Eiendomsforvaltning AS | Real estate | 1991 |
| DNB Eiendomsholding AS | Real estate | 2007 |
| DNB Eiendomsinvest 2 AS | Real estate | 2017 |
| DNB Eiendomsinvest KS | Financial services | 2007 |
| DNB Eiendomskomplementar AS | Real estate | 2007 |
| DNB Gjenstandsadministrasjon AS | Financial services | 2007 |
| DNB Handelsparker AS | Real estate | 2007 |
| DNB Kjøpesenter Og Hotell AS | | 2012 |
| DNB Kontor AS | Real estate | 2012 |
| DNB Liv Eiendom Sverige AS | Real estate | 2012 |
| DNB Livsforsikring AS | Financial services | 1938 |
| DNB NE Aif 1 AS | Financial services | 2024 |
| DNB Næringseiendom AS | Financial services | 1984 |
| DNB Propco International 1 AS | Financial services | 2011 |
| DNB Propco International 2 AS | Financial services | 2010 |
| DNB Scandinavian Property Fund HM AS | Financial services | 2025 |
| DNB Scandinavian Propfund AS | Financial services | 2019 |
| DNB Scandinavian Propfund HM AS | | 2016 |
| DND AS | Administrative & support | 2022 |
| Dne Invest AS | Transport & logistics | 2024 |
| Doc Invest AS | Health & social care | 1991 |
| Dof Offshore Holding AS | | 2023 |
| Dof Subsea AS | Mining & quarrying | 2005 |
| Dof Subsea Atlantic AS | Mining & quarrying | 2014 |
| Dof Subsea Brasil Servicos Ltda | Transport & logistics | 2011 |
| Dof Subsea Chartering AS | Mining & quarrying | 2010 |
| Dof Subsea Norway AS | Mining & quarrying | 2005 |
| Dof Subsea Norway Offshore AS | Administrative & support | 2017 |
| Dof Subsea Rederi AS | Mining & quarrying | 2011 |