| Chiem Holding AS | | 2024 |
| Chiem IT Consulting AS | Information & communication | 2023 |
| Chiffer Advokatfirma & Finans AS | Professional & scientific | 2021 |
| Chigi AS | Financial services | 1980 |
| Chih Holding AS | | 2023 |
| Chiije AS | Wholesale & retail | 2020 |
| Chili Bakery AS | Manufacturing | 2024 |
| Chili Dagligvarer AS | Wholesale & retail | 2018 |
| Chili Grunerløkka AS | Wholesale & retail | 2022 |
| Chili Invest AS | Wholesale & retail | 2023 |
| Chili Media AS | Arts & recreation | 2022 |
| Chili Media Holding AS | Information & communication | 2016 |
| Chili Og Wok AS | Hospitality | 2022 |
| Chili Parrot AS | Information & communication | 2020 |
| Chili Publications AS | Professional & scientific | 2006 |
| Chili Torshov AS | Wholesale & retail | 2023 |
| Chilisauser AS | Wholesale & retail | 2017 |
| Chillbiz AS | Professional & scientific | 2020 |
| Chillbo AS | Real estate | 2020 |
| Chilli Bad AS | Construction | 2015 |
| Chillout AS | Wholesale & retail | 2006 |
| Chillout Bogstadveien AS | Wholesale & retail | 2026 |
| Chillout Markveien AS | Wholesale & retail | 2026 |
| Chilly Golf AS | Administrative & support | 2024 |
| Chilly Sports AS | Wholesale & retail | 2006 |
| Chimborazo Holding AS | Professional & scientific | 2024 |
| Chimera Eiendom AS | Real estate | 2025 |
| Chimera Holding AS | Information & communication | 2010 |
| Chimi AS | Wholesale & retail | 2024 |
| China Communications Construction Company Norway Nuf | Construction | 2018 |
| China Grill Ans | Hospitality | 1994 |
| China Norway Sweden CNS Trading Ans | | 1991 |
| Chinalinknordic Economy and Technology Cooperation Da | Wholesale & retail | 2006 |
| Chindia AS | Wholesale & retail | 2005 |
| Chinma Holding AS | Professional & scientific | 2005 |
| Chinordic AS | Professional & scientific | 2018 |
| Chip Bidco AS | Information & communication | 2019 |
| Chip Midco AS | Information & communication | 2019 |
| Chip Topco AS | Information & communication | 2019 |
| Chip-In AS | | 2024 |
| Chiquita Banana Company BV | Professional & scientific | 1995 |
| Chirinos Maler AS | Construction | 2022 |
| Chishti Capital Investment AS | Professional & scientific | 2017 |
| Chitek-I AS | Information & communication | 2018 |
| Chitty Chitty Bang Gang Da | Arts & recreation | 2010 |
| Chizari AS | Real estate | 2019 |
| Chja Invest AS | | 2024 |
| Chkn AS | Information & communication | 2024 |
| Chlg AS | Information & communication | 2014 |
| Chloe AS | Real estate | 2022 |
| CHN Holding AS | Financial services | 2017 |
| Cho-Eiendom AS | Real estate | 2000 |
| Chogori AS | | 2021 |
| Chohan Level Consulting AS | Education | 2022 |
| Choice Hotels & Resorts AS | Hospitality | 2009 |
| Choice Skagerak AS | Hospitality | 2000 |
| Choko BB Eiendom AS | Real estate | 2012 |
| Chokoladefabrikken Barnehage AS | Real estate | 2012 |
| Chokoladefabrikken Næring 1 AS | Real estate | 2012 |
| Chokoladefabrikken Parkering AS | Real estate | 2012 |
| Chokoladefabrikken Utbyggingsselskap AS | Real estate | 2011 |
| Chold AS | Wholesale & retail | 2005 |
| Chomsky Dog AS | Arts & recreation | 2018 |
| Chong Holding AS | Hospitality | 2009 |
| Chooly Gruppen AS | Wholesale & retail | 2020 |
| Chooose AS | Administrative & support | 1997 |
| Choose Kos AS | Wholesale & retail | 2025 |
| Chopshopagency AS | Professional & scientific | 2021 |
| Chordata AS | Information & communication | 2024 |
| Choreobase AS | Professional & scientific | 2023 |
| CHP Holding AS | | 2020 |
| CHR Bjelland & Co AS | | 1954 |
| CHR Fredriksens Gate 6 Melbu AS | | 2024 |
| CHR Holdings AS | | 2020 |
| CHR. Holtermann AS | Wholesale & retail | 2019 |
| CHR. Quartz Lighting AS | Administrative & support | 2009 |
| CHR. Ødegårds Gate 6 AS | Real estate | 2023 |
| Chrami AS | Professional & scientific | 2022 |
| Chrano Holding AS | Real estate | 2016 |
| Chrbo Invest AS | | 2023 |
| Chrem AS | Financial services | 2005 |
| Chrem Capital AS | Real estate | 1989 |
| Chrg 20 AS | Real estate | 2025 |
| Chrg 24 AS | Real estate | 2025 |
| Chri AS | Real estate | 2005 |
| Chriar Invest AS | Construction | 2011 |
| Chriba AS | Real estate | 2018 |
| Chrigil AS | Other services | 2024 |
| Chrikema Invest AS | Construction | 2005 |
| Chrilabear AS | Wholesale & retail | 2023 |
| Chriline AS | | 2019 |
| Chriline Invest AS | | 2021 |
| Chrimapa AS | Real estate | 2006 |
| Chrimont AS | Wholesale & retail | 1993 |
| Chripeli Investments AS | Real estate | 1989 |
| Chriron Holding AS | | 2025 |
| Chris Abolade AS | | 2025 |
| Chris Enterprise AS | Professional & scientific | 2011 |
| Chris Midtun Import AS | Wholesale & retail | 2023 |
| Chris's Corporation AS | Professional & scientific | 2015 |