| Inger Paulsen Fotografi AS | Professional & scientific | 2024 |
| Ingrid S. Foss AS | Financial services | 2005 |
| Innova Eiendom Bergen AS | | 2003 |
| Inntech AS | Administrative & support | 2018 |
| Institutt for Prosessutvikling Og Arbeidsflyt AS | Information & communication | 1998 |
| International Media Sales AS | Professional & scientific | 2001 |
| Into the Fjords AS | Administrative & support | 2020 |
| Invectio AS | | 2016 |
| Investivest AS | Financial services | 2015 |
| Ipaddle AS | Administrative & support | 2022 |
| Isb Co-Active AS | Professional & scientific | 2012 |
| Ivar Aasgaards Veg 1 AS | Real estate | 2025 |
| Iversen Transport AS | Transport & logistics | 1995 |
| J. Aarland Holding AS | Professional & scientific | 2021 |
| J.H. Holding AS | Real estate | 2025 |
| Jacob Kjøde AS | Transport & logistics | 1913 |
| Jacobsen Transport Service AS | Transport & logistics | 2022 |
| Jara Bygg Service AS | Wholesale & retail | 2023 |
| Jawd AS | Health & social care | 2016 |
| JCH Invest AS | | 2007 |
| Jeh Holdings AS | | 2023 |
| Jensen Investment Group AS | Real estate | 2012 |
| Jes AS | Real estate | 2006 |
| Jfic AS | Financial services | 2006 |
| Jmhisdal AS | Wholesale & retail | 2023 |
| Joar AS | Professional & scientific | 2021 |
| Jochrino Holding AS | Wholesale & retail | 2008 |
| Johan Horns Rederi AS | Transport & logistics | 1981 |
| John Knudsen Holding AS | Real estate | 2001 |
| Jojeju Invest AS | Real estate | 2005 |
| Jomu AS | Financial services | 2005 |
| Jorem Organisasjonsutvikling AS | Professional & scientific | 2021 |
| JP Fitje Holding AS | | 2024 |
| JR Holding AS | Professional & scientific | 2005 |
| Jrbakke Safety Consulting AS | Professional & scientific | 2024 |
| JSL Shipping & Agency AS | Transport & logistics | 2014 |
| JVJ Holding AS | Financial services | 2015 |
| JWG Bygg AS | Construction | 2026 |
| Jæger Advokatfirma AS | Professional & scientific | 2022 |
| Jøja AS | Financial services | 2005 |
| K a Johnsen Invest AS | Financial services | 2015 |
| K.A. Foss AS | Real estate | 1956 |
| Kahrs Eiendom Drotningsvik AS | Real estate | 2006 |
| Kahrs Eiendom Heiane AS | Real estate | 2018 |
| Kahrs Eiendom Rige AS | Real estate | 2022 |
| Kanalveien 54 Eiendom AS | Real estate | 2014 |
| Kanalveien 60 AS | Real estate | 1996 |
| Kanalveien 62 AS | Real estate | 2006 |
| Karms Holding AS | Real estate | 2016 |
| Karstad Holding AS | Financial services | 2014 |
| Kattholmen AS | Real estate | 2017 |
| KD Investments AS | | 2024 |
| Kebø Holding AS | Real estate | 2005 |
| Kenneth Aadland AS | Financial services | 2005 |
| Kerstinsin Holding AS | Financial services | 1995 |
| Kest Eiendom AS | Real estate | 2002 |
| Kewe Holding AS | Real estate | 2005 |
| Kika Weddings AS | Administrative & support | 2008 |
| King Holding AS | Professional & scientific | 1998 |
| Kira Trading AS | | 2025 |
| Kjell N. Foss AS | Financial services | 2005 |
| Kjemi Trans II AS | Transport & logistics | 2010 |
| Kjemikalietank AS | Transport & logistics | 2008 |
| Kjersti Dyre Holding AS | | 2024 |
| KL Moberg Skotøyforretning AS | Wholesale & retail | 1963 |
| Kleiv AS | | 2024 |
| Kleiven 34 AS | Real estate | 2018 |
| KLK Eiendom AS | Real estate | 2023 |
| KLK Investment AS | Transport & logistics | 2017 |
| KLK Kreditt AS | | 2024 |
| KLK Tank AS | Transport & logistics | 2024 |
| Knudsen AS | Professional & scientific | 2016 |
| Knudsen Eiendomsselskap AS | Real estate | 2019 |
| Kokstadhagen AS | Real estate | 2026 |
| Konseptbygg Eiendom AS | Real estate | 1994 |
| Koral Holding AS | | 2010 |
| Kranproffen AS | Construction | 2016 |
| Kristianborg Utvikling AS | Real estate | 2004 |
| Kronstad Bolig AS | Real estate | 2024 |
| Kronstad Eiendommer AS | Real estate | 2016 |
| Kronstadhøyden AS | Real estate | 2017 |
| Kråka Invest AS | Financial services | 2010 |
| Kråka Invest Drift AS | | 2018 |
| Kråka Invest Eiendom AS | | 2018 |
| Kse Eiendom AS | Real estate | 2012 |
| Kurssenteret Vestlandet AS | Education | 2014 |
| Kvanngrø Holding AS | | 2019 |
| Kvänum Bergen AS | Wholesale & retail | 2011 |
| Kydence AS | Health & social care | 2026 |
| Kygo AS | Arts & recreation | 2014 |
| Kyper AS | Professional & scientific | 2022 |
| Labmo Laboratorieutstyr AS | Wholesale & retail | 2024 |
| Lachris Eiendom AS | Administrative & support | 2010 |
| Lachris Holding AS | Administrative & support | 2005 |
| Lacuna AS | Real estate | 2005 |
| Langun Holding AS | Financial services | 2008 |
| Lars-Erik Offernes Holding AS | Professional & scientific | 2017 |
| Lat AS | Professional & scientific | 2006 |
| Lauritzen Ventures AS | | 2026 |
| Lauritzen-Eiendom AS | Real estate | 1984 |