| Coop Prix Tåsen AS | Wholesale & retail | 2026 |
| Coop Raufoss Kjøpesenter AS | Real estate | 2006 |
| Coop Vest Eigedom II AS | Real estate | 2020 |
| Coop Vestfold Og Telemark Eiendom AS | Real estate | 2006 |
| Coop Øst Etablering AS | | 2011 |
| Coopa AS | Real estate | 2013 |
| Cooper Crouse-Hinds AS | Wholesale & retail | 1996 |
| Cooperar.Io AS | Information & communication | 2013 |
| Coor Service Management AS | Administrative & support | 2001 |
| Coorstek Membrane Sciences AS | Professional & scientific | 2008 |
| Coostina AS | Hospitality | 2019 |
| Cop Invest AS | Wholesale & retail | 2016 |
| Copartner AS | Professional & scientific | 2011 |
| Cope AS | Financial services | 2014 |
| Cope Guides AS | Professional & scientific | 2026 |
| Copeinca AS | Wholesale & retail | 2006 |
| Copenhagen AS | Financial services | 2008 |
| Copenhagen Health AS | Wholesale & retail | 2022 |
| Copia Invest AS | Information & communication | 2022 |
| Copiam AS | Professional & scientific | 2017 |
| Copine AS | Professional & scientific | 2026 |
| Copper Coin AS | Real estate | 2016 |
| Copperfield Rekruttering Og Rådgivning AS | Administrative & support | 2022 |
| Copro AS | Wholesale & retail | 2020 |
| Copro Holding AS | | 2023 |
| Coptersafety Norway AS | Education | 2026 |
| Copuno Sweden AB Nuf | Construction | 2015 |
| Copycat AS | Manufacturing | 1996 |
| Copygene | | 2004 |
| Copyleft Advisory AS | Health & social care | 2022 |
| Copyleft Solutions AS | Information & communication | 2000 |
| Coquelicot AS | | 2026 |
| Cor IT AS | Professional & scientific | 2017 |
| Cora Aker Brygge AS | Hospitality | 2023 |
| Coral Holdco AS | | 2026 |
| Coralis Consult AS | Professional & scientific | 2026 |
| Corcat Holding AS | Real estate | 2008 |
| Corcerebrum AS | | 2024 |
| Corcovado AS | Hospitality | 2023 |
| Corda AS | Construction | 2016 |
| Corda Group AS | Construction | 2022 |
| Cordia AS | Real estate | 2019 |
| Cordial AS | Hospitality | 2023 |
| Core Agency AS | Professional & scientific | 2018 |
| Core AS | Professional & scientific | 1985 |
| Core Balance 2 AS | Arts & recreation | 2023 |
| Core Beverages AS | Wholesale & retail | 2025 |
| Core Design AS | Wholesale & retail | 2012 |
| Core Eqty AS | Financial services | 2023 |
| Core Eqty Investments AS | | 2023 |
| Core Equity Fund I AS | Financial services | 2022 |
| Core Explore AS | Real estate | 2014 |
| Core Future AS | Professional & scientific | 2021 |
| Core Management AS | Professional & scientific | 2015 |
| Core Nystiftet 12 AS | | 2018 |
| Core Nystiftet 13 AS | | 2018 |
| Core Plus Nystiftet 6 AS | Real estate | 2018 |
| Core Properties AS | Real estate | 2014 |
| Core Technology Oslo AS | Professional & scientific | 2022 |
| Coreaq Partners AS | | 2020 |
| Coremarine Operations AS | Professional & scientific | 2020 |
| Coremine AS | Professional & scientific | 2000 |
| Coremine Vitae AS | Information & communication | 2001 |
| Corenet AS | Information & communication | 2025 |
| Corenode AS | Information & communication | 2026 |
| Corenordic AS | Wholesale & retail | 2026 |
| Coreo AS | Wholesale & retail | 2024 |
| Coreplan AS | Information & communication | 2024 |
| Coretech AS | Professional & scientific | 2011 |
| Coretta & Martin Luther King Institute for Peace AS | Other services | 2019 |
| Coreweave Norway AS | Information & communication | 2024 |
| Coreweave Reserve Norway AS | Information & communication | 2025 |
| Corex AS | Professional & scientific | 2025 |
| Coright AS | Information & communication | 2018 |
| Corigo AS | Construction | 2021 |
| Corinthian 2 AS | Financial services | 2021 |
| Corinthian 3 AS | Financial services | 2021 |
| Corinthian 4 AS | Financial services | 2021 |
| Corinthian 5 AS | Financial services | 2022 |
| Corinthian 6 AS | Financial services | 2022 |
| Corinthian 7 AS | Financial services | 2024 |
| Corinthian Venture Partners AS | Financial services | 2020 |
| Coriolis AS | | 2022 |
| Cork AS | Hospitality | 2025 |
| Corliv AS | | 2025 |
| Corma AS | Professional & scientific | 2022 |
| Cormont Advisory AS | Professional & scientific | 2026 |
| Corn Holding AS | | 2021 |
| Cornea Invest AS | Financial services | 2017 |
| Cornelia Anker AS | | 2018 |
| Cornelia Interiør Design AS | Professional & scientific | 2006 |
| Cornelia Thrane-Steen Interiør Design AS | Professional & scientific | 2023 |
| Cornelico AS | | 2021 |
| Cornelius Invest AS | Hospitality | 2021 |
| Corner Shop AS | Wholesale & retail | 2025 |
| Corner Stone AS | Wholesale & retail | 2005 |
| Corner Ække Mål, Mål Er Mål AS | | 2026 |
| Cornett Sko Aps | Wholesale & retail | 2014 |
| Cornhole AS | Wholesale & retail | 2023 |
| Cornice AS | Wholesale & retail | 2016 |