| Kiks Invest AS | | 2019 |
| Kikut Fritidsboliger AS | Real estate | 2020 |
| Kikut Vest AS | Real estate | 1999 |
| Kikut-Invest AS | Real estate | 2015 |
| Kikutstua AS | Hospitality | 2025 |
| Kikuttoppen Holding AS | Financial services | 2005 |
| Kila Invest AS | | 2018 |
| Kilamyra 8 AS | Real estate | 2008 |
| Kilbane & Melon Import Ans | | 1992 |
| Kilbjorn Da | Wholesale & retail | 2016 |
| Kilda Biolink AS | Agriculture & fishing | 2000 |
| Kildahl AS | Professional & scientific | 2009 |
| Kildahl Invest AS | Financial services | 2018 |
| Kildahl-Fjeld Holding AS | | 2025 |
| Kildal Og Gustavsen AS | Administrative & support | 2017 |
| Kilde AS | Education | 2011 |
| Kilde Consult & Invest AS | Professional & scientific | 2021 |
| Kilde Eiendom AS | Real estate | 2025 |
| Kilde Holding AS | Real estate | 2005 |
| Kildekoden AS | Information & communication | 2025 |
| Kilden 1 Næringseiendom AS | Real estate | 2011 |
| Kilden Holding AS | Real estate | 2019 |
| Kilden Samfunnsbygg AS | Financial services | 2019 |
| Kilden VVS AS | Construction | 2010 |
| Kile AS | | 2020 |
| Kile Eiendom Og Invest Da | Real estate | 2008 |
| Kilele AS | Information & communication | 2015 |
| Kilemokroken 9 S14 AS | Real estate | 2024 |
| Kilemokroken 9 S15 AS | Real estate | 2024 |
| Kilen Brygge AS | Real estate | 1996 |
| Kilen Handelspark AS | Real estate | 2006 |
| Kilen Utbygging 2 AS | Real estate | 2010 |
| Kilgara AS | Real estate | 1982 |
| Kilinc Holding AS | Real estate | 2018 |
| Kill Your Darlings AS | Information & communication | 2025 |
| Killara Holding AS | Professional & scientific | 2021 |
| Killingen Båtservice AS | Manufacturing | 2024 |
| Killingmoe Holding AS | | 2026 |
| Killingnuten AS | Real estate | 2021 |
| Killingnuten Holding AS | Real estate | 2023 |
| Killmotor Hill AS | | 2023 |
| Killscreen AS | Information & communication | 2026 |
| Kiln AS | Information & communication | 2020 |
| Kilroy Norway AS | Administrative & support | 1986 |
| Kilsholmen AS | Real estate | 2020 |
| Kilskollen AS | | 2017 |
| Kilvik Invest AS | | 2025 |
| Kilvær Arkitektur AS | Professional & scientific | 2019 |
| Kim a Thorvaldsen Holding AS | Real estate | 2005 |
| Kim Andre Johnsen Holding AS | | 2019 |
| Kim Fredheim AS | Professional & scientific | 2019 |
| Kim Leinan AS | Professional & scientific | 2017 |
| Kim Nails Art AS | Other services | 2019 |
| Kim Nielsen AS | Construction | 2012 |
| Kim Ringvold Invest AS | Arts & recreation | 2020 |
| Kim Waagan AS | Financial services | 2020 |
| Kim Wigaard AS | Education | 2024 |
| Kim-Richard Holding AS | Construction | 2021 |
| Kima Arkitektur AS | Professional & scientific | 2007 |
| Kimaa AS | Professional & scientific | 2023 |
| Kiman Invest AS | | 2019 |
| Kimberlite Ignite the Spark AS | | 2022 |
| Kimberlite Invest 1984 AS | | 2022 |
| Kimberlite Invest Breyta AS | | 2022 |
| Kimberlite Invest Nofence AS | | 2023 |
| Kimberlitt AS | Mining & quarrying | 2008 |
| Kimbo Holding AS | | 2026 |
| Kimbri Invest AS | Financial services | 2017 |
| Kime Analyse Og Kommunikasjon AS | Professional & scientific | 2024 |
| Kime Invest AS | | 2021 |
| Kime NXT AS | Professional & scientific | 2025 |
| Kimen AS | Financial services | 1990 |
| Kimm AS | Professional & scientific | 2018 |
| Kimmern Holding AS | | 2023 |
| Kimmi Gruppen Da | Financial services | 2010 |
| Kimpie AS | Financial services | 2013 |
| Kimpo Trade & Travel Company A/S | Administrative & support | 1993 |
| Kims Kitchen AS | Hospitality | 2019 |
| Kimsitt Invest AS | | 2020 |
| Kimzollo AS | Real estate | 2016 |
| Kin Group AS | Wholesale & retail | 2020 |
| Kin Holdco AS | Wholesale & retail | 2021 |
| Kina Sprit AS | Wholesale & retail | 2018 |
| Kinabolle AS | Hospitality | 2016 |
| Kinaexpert AS | Wholesale & retail | 2018 |
| Kinasmaker AS | Hospitality | 2018 |
| Kind Energi AS | Construction | 2012 |
| Kinda AS | Information & communication | 2024 |
| Kindem Agenturer AS | Wholesale & retail | 2010 |
| Kinden Concerts AS | Professional & scientific | 2017 |
| Kinderstiff Consulting AS | Professional & scientific | 2012 |
| Kindly AS | Information & communication | 2016 |
| Kindness Is a Constant Battle AS | Information & communication | 2026 |
| Kindris AS | Professional & scientific | 2025 |
| Kindtech AS | Information & communication | 2025 |
| Kine AS | Professional & scientific | 2023 |
| Kine Iversen AS | Wholesale & retail | 2016 |
| Kine Og Jonas Ja Holding AS | | 2026 |
| Kinetic Blocks AS | Information & communication | 2026 |
| Kinetic Energy AS | Real estate | 2021 |