| Kvernfossen Kraft AS | Energy | 2011 |
| Kvernhuset Invest AS | Real estate | 2016 |
| Kvernknurr AS | | 2020 |
| Kvernstad Holding AS | Construction | 2014 |
| Kvernstien AS | | 2025 |
| Kvernveien 5 Ans | Real estate | 2002 |
| Kvernåa Kraftverk AS | Energy | 2024 |
| Kvervil Solutions AS | Professional & scientific | 2017 |
| Kveseth Regnskapskontor AS | Professional & scientific | 1998 |
| Kvesst AS | Professional & scientific | 2022 |
| KVG Holding Oslo AS | Arts & recreation | 2021 |
| KVH Invest AS | Health & social care | 2014 |
| Kviamarka Eiendom AS | Real estate | 2005 |
| Kvicevics Leveranse Limited Nuf | Transport & logistics | 2025 |
| Kvidal Industries AS | | 2022 |
| Kvidd AS | Information & communication | 2022 |
| Kvignaskari Holding AS | | 2024 |
| Kvigtinden Strategic Consulting AS | Professional & scientific | 2026 |
| Kvik Nuf | Wholesale & retail | 2004 |
| Kvik Retail Norge AS | Wholesale & retail | 2008 |
| Kvikju Consulting AS | Information & communication | 2023 |
| Kvikk Autotransport AS | Transport & logistics | 2023 |
| Kvikk Bag AS | Water & waste | 2020 |
| Kvikk Eiendom Ans | Real estate | 1993 |
| Kvikk Forsikring AS | Financial services | 2021 |
| Kvikk Handel AS | Wholesale & retail | 2014 |
| Kvikk Installasjon AS | Construction | 2004 |
| Kvikk Råd AS | Professional & scientific | 2024 |
| Kvikk Transport AS | Transport & logistics | 2020 |
| Kvikke Hoder AS | Professional & scientific | 2017 |
| Kvikt AS | Information & communication | 2025 |
| Kvilebu Invest AS | Construction | 1977 |
| Kvileplassen AS | Real estate | 2010 |
| Kvilern AS | | 2024 |
| Kvindernes Boligselskap AS | Households | 1923 |
| Kvingegaarden Holding AS | Real estate | 2021 |
| Kvinner I Finans Charter AS | Professional & scientific | 2021 |
| Kvinnesland & Haarklau AS | Financial services | 2012 |
| Kvinneverden Da | Information & communication | 2005 |
| Kvino AS | Information & communication | 2025 |
| Kvint Oslo AS | Professional & scientific | 2020 |
| Kvintblendex AS | Wholesale & retail | 1992 |
| Kvintessens Advokatfirma AS | Professional & scientific | 2023 |
| Kvintessens Consulting AS | Professional & scientific | 2010 |
| Kvisle Holding AS | | 2023 |
| Kvisle Utviklingspark AS | Real estate | 2015 |
| Kvist & Klang AS | Other services | 2026 |
| Kvist Og Kvast AS | | 2026 |
| Kvist Solutions AS | Information & communication | 2020 |
| Kvisten Holding AS | | 2026 |
| Kvistum Media AS | Arts & recreation | 2023 |
| Kvitdalen Holding AS | Real estate | 2016 |
| Kviten AS | Manufacturing | 1984 |
| Kvitestein Holding AS | | 2026 |
| Kvitfjell Chalet AS | Real estate | 2022 |
| Kvitfjell Prosjektutvikling AS | Real estate | 2008 |
| Kvitfjellia AS | Real estate | 1989 |
| Kvithaug AS | Real estate | 2007 |
| Kvithyll Eiendom AS | Real estate | 2015 |
| Kvithyll Eierselskap AS | Real estate | 2021 |
| Kvitlyng AS | | 2020 |
| Kvitnes Lodge AS | Wholesale & retail | 1976 |
| Kvitplassen AS | Real estate | 2017 |
| Kvitsteinen AS | Financial services | 2015 |
| Kvitt AS | Real estate | 2019 |
| Kvitten AS | Information & communication | 2024 |
| Kvitvikvvs Holding AS | | 2022 |
| Kvitzy AS | Information & communication | 2026 |
| Kvitåvatn Invest AS | Real estate | 2011 |
| KVN61 AS | Health & social care | 2024 |
| KVN78 AS | Real estate | 2024 |
| KVS Ventilasjon AS | Construction | 2010 |
| Kvålveien 1 AS | Real estate | 2019 |
| Kværne Sag AS | | 2025 |
| Kværner Bakeri Og Pizza AS | Manufacturing | 2022 |
| Kværner Invest AS | | 2026 |
| Kværnerbyen Fus Barnehage AS | Education | 2007 |
| Kværnerhøyden BRL Hjemmel AS | Real estate | 2021 |
| Kværnertomta AS | Real estate | 2008 |
| Kværnerveien 1 AS | Wholesale & retail | 2018 |
| Kværnesmoa Solkraftverk AS | Energy | 2025 |
| Kvæven Invest AS | | 2025 |
| KW Consulting AS | Professional & scientific | 2022 |
| KW Equity AS | | 2019 |
| KW Holding AS | | 2005 |
| KW25 Invest AS | Real estate | 2021 |
| Kwahl AS | Financial services | 2015 |
| Kwgt 25 AS | Real estate | 2015 |
| KWS M&N AS | Wholesale & retail | 1994 |
| Ky.Er Norge AS | Professional & scientific | 2024 |
| Kybalion Group Holding AS | Professional & scientific | 2015 |
| Kybalion Invest I AS | Professional & scientific | 2015 |
| Kybalion Seafood AS | Wholesale & retail | 2015 |
| Kybele AS | | 2023 |
| Kyber AS | | 2014 |
| Kybor AS | Information & communication | 2017 |
| Kybri AS | Professional & scientific | 2018 |
| Kyc Security AS | Information & communication | 2017 |
| Kyillu Music AS | Arts & recreation | 2013 |
| Kykke AS | Financial services | 1996 |