| CHH Holding Bodø AS | Hospitality | 2022 |
| Chilli Bodø AS | Wholesale & retail | 2024 |
| China Garden Bodø AS | Hospitality | 1991 |
| Chindi AS | Hospitality | 2010 |
| Chon Thai Restaurant AS | Hospitality | 2007 |
| Chrisco AS | Financial services | 1990 |
| Chrismon Invest AS | | 2022 |
| Christho AS | Professional & scientific | 2005 |
| Christian Førde Trafikkskole AS | Education | 2015 |
| Christian Jakhelln AS | Real estate | 1995 |
| City Nord Tannhelse AS | Health & social care | 2015 |
| City Pizzeria AS | Hospitality | 2023 |
| City-Lite AS | Professional & scientific | 2019 |
| Clarkes AS | Wholesale & retail | 2006 |
| Cleanness AS | Administrative & support | 2013 |
| Cleanness Bodø AS | Administrative & support | 2018 |
| Cleanvask AS | Administrative & support | 2026 |
| CMT Invest AS | Real estate | 2017 |
| CN Eiendomsutvikling AS | Real estate | 2014 |
| CNC Eiendom AS | Real estate | 2012 |
| Coa AS | Wholesale & retail | 2017 |
| Coa Holding AS | Wholesale & retail | 2020 |
| Codebase AS | Information & communication | 2017 |
| Codenord AS | Information & communication | 2023 |
| Cogito AS | Real estate | 2017 |
| Cojo AS | Professional & scientific | 2018 |
| Cold Mailman Da | Arts & recreation | 2011 |
| Coldevin Holding AS | | 2019 |
| Companycasts AS | Information & communication | 2016 |
| Consis Nord Da | Wholesale & retail | 1990 |
| Consto Anlegg Nord AS | Construction | 2016 |
| Contour AS | Other services | 2025 |
| Control Service AS | Professional & scientific | 1998 |
| Coop Nordland SA | Wholesale & retail | 1984 |
| Corner Velocity AS | Professional & scientific | 2025 |
| Corponor AS | Real estate | 1994 |
| Craig Alibone Chocolate AS | Manufacturing | 2015 |
| Croma AS | Professional & scientific | 2018 |
| Crossfit Borealis AS | Arts & recreation | 2023 |
| Ctrl Invest AS | | 2020 |
| Cutanea AS | Health & social care | 2005 |
| CVP Medical AS | Health & social care | 2017 |
| Cyclaw AS | Wholesale & retail | 2013 |
| Cyclophobia Da | Arts & recreation | 2023 |
| D. Abrahamsen Invest AS | Professional & scientific | 2019 |
| Dabe Holding AS | | 2020 |
| Dabeco AS | | 2017 |
| Dahl Fiskeri AS | Agriculture & fishing | 1998 |
| Dahls Transport AS | Transport & logistics | 2022 |
| Dalhaug Holding AS | | 2023 |
| Dama Di AS | Hospitality | 2011 |
| Dampen Servering AS | Hospitality | 2018 |
| Damperiet Holding AS | Real estate | 2016 |
| Dampsaga AS | Real estate | 2004 |
| Daneljordet 11 AS | Real estate | 2024 |
| Daniel Mathisen Invest AS | | 2019 |
| Daniela Bendiksen AS | | 2024 |
| Danielsen AS | Arts & recreation | 2026 |
| Dataworld Da | Wholesale & retail | 2003 |
| Davies Holding AS | | 2024 |
| Dekiru AS | Information & communication | 2024 |
| Denstad & Denstad AS | Wholesale & retail | 1992 |
| Derksen Trading AS | Manufacturing | 2017 |
| Designa Bodø AS | Wholesale & retail | 2015 |
| Devos AS | Information & communication | 2021 |
| DG Studio AS | Information & communication | 2024 |
| Dgsdg Invest AS | | 2023 |
| Dialog Exe AS | Information & communication | 2013 |
| Dialog Og Samfunn SA | Arts & recreation | 2018 |
| Dialogue AS | Information & communication | 2017 |
| Dide AS | Arts & recreation | 2026 |
| Didriksen Eiendom Ans | Real estate | 1991 |
| Digital Medicine MSK AS | Education | 2020 |
| Digitalt Byrå AS | Information & communication | 1998 |
| Dilla På Gjenbruk AS | Wholesale & retail | 2024 |
| Din Gynekolog Ellen Langen AS | Health & social care | 2013 |
| Din Puls AS | Education | 2018 |
| Din Tjeneste Partner AS | Construction | 2025 |
| Din Ønh-Spesialist AS | Health & social care | 2011 |
| Dino H AS | Real estate | 2005 |
| Dinterra AS | Wholesale & retail | 2026 |
| Dips AS | Information & communication | 1997 |
| DJ Gruppen AS | | 2026 |
| Djupvikveien 15 AS | Real estate | 2013 |
| Dnor AS | Real estate | 1996 |
| Doctor Ok AS | Health & social care | 2013 |
| DR Midtgard AS | Health & social care | 2021 |
| DR Odinaka AS | Health & social care | 2018 |
| DR Odinaka Eiendom AS | Real estate | 2018 |
| Dr-Gt 67 AS | Real estate | 2022 |
| DR. Odinaka's Clinic AS | Health & social care | 2018 |
| DR8 Eiendom AS | Real estate | 2019 |
| Drag Industrier AS | Manufacturing | 1983 |
| Dragesølvet AS | | 2024 |
| Draupnir Ventures AS | | 2024 |
| Dreyfus 11 AS | Real estate | 2016 |
| Dreyfushammaren 8 AS | Real estate | 1999 |
| Dreyfushammaren Eiendom AS | Real estate | 2002 |
| Dreyfushammaren Utleie AS | Real estate | 2022 |
| Dreyfushammarn 11 AS | Real estate | 2013 |