| Krinkel-Kroken AS | Skien | 2012 |
| Krinor AS | Oslo | 1995 |
| Kris AS | Nesøya | 2001 |
| Kris Autotrading Da | Lier | 1998 |
| Kris Invest AS | Snertingdal | 2022 |
| Kris Lillejord AS | Oslo | 2010 |
| Krisee AS | Bybrua | 2025 |
| Krisesikker.No AS | Oslo | 2025 |
| Krishna AS | Stavanger | 2013 |
| Krisho Holding AS | Oslo | 2022 |
| Krisko Medical AS | Kristiansand S | 2025 |
| Krisko Norge AS | Oslo | 1995 |
| Krispy AS | Tolvsrød | 2021 |
| Kristensen & Kristensen Nuf | Dk-6715 Esbjerg N | 2021 |
| Krister Landa AS | Sandnes | 2023 |
| Kristial AS | Hitra | 2005 |
| Kristian a Skeie AS | Søgne | 2024 |
| Kristian Hovelsrud AS | Oslo | 2020 |
| Kristian Lorvik AS | Melhus | 2009 |
| Kristian Overå AS | Stranda | 2018 |
| Kristian Ørslien AS | Ottestad | 2025 |
| Kristiania Aktier Ans | Rasta | 2000 |
| Kristiania Bil AS | Ski | 2019 |
| Kristiania Gourmet AS | Oslo | 1993 |
| Kristians and AS | Stavanger | 2005 |
| Kristiansand Anleggsenter AS | Mosby | 2023 |
| Kristiansand Auto AS | Kristiansand S | 2025 |
| Kristiansand Bil AS | Kristiansand S | 2020 |
| Kristiansand Bilsenter AS | Kristiansand S | 2024 |
| Kristiansand Bådsenter AS | Kristiansand S | 2005 |
| Kristiansand Båtutstyr AS | Kristiansand S | 2012 |
| Kristiansand Caravan Og Fritid AS | Kristiansand S | 2026 |
| Kristiansand Damputstyr AS | Kristiansand S | 2021 |
| Kristiansand Detalj AS | Kristiansand S | 2022 |
| Kristiansand Fargehandel AS | Kristiansand S | 2026 |
| Kristiansand Holding AS | Kristiansand S | 2010 |
| Kristiansand Interiørstudio AS | Våle | 2022 |
| Kristiansand Markets AS | Kristiansand S | 2025 |
| Kristiansand Møbler AS | Kristiansand S | 2017 |
| Kristiansand Specsavers AS | Kristiansand S | 2002 |
| Kristiansand Sykkelsenter AS | Kristiansand S | 1990 |
| Kristiansand Ur Og Smykker AS | Kristiansand S | 2013 |
| Kristiansand Varebilsenter AS | Brennåsen | 2008 |
| Kristiansen Dagligvare AS | Brumunddal | 2023 |
| Kristiansen Motorsport Service AS | Stavanger | 2019 |
| Kristiansen Optik AS | Sandefjord | 2008 |
| Kristiansen Ur Og Gull AS | Sandefjord | 1996 |
| Kristiansens Antikvariat SA | Oslo | 2016 |
| Kristiansens Eiendom AS | Grua | 1992 |
| Kristiansens Holding AS | Grua | 2005 |
| Kristiansteen Import AS | Oslo | 2016 |
| Kristiansund Kjøkkensenter AS | Kristiansund N | 2011 |
| Kristiansund Optikk AS | Kristiansund N | 2010 |
| Kristiansund Papir AS | Kristiansund N | 2001 |
| Kristin Alvestad AS | Sørvær | 2017 |
| Kristin Kvaale AS | Charlottenlund | 2020 |
| Kristina AS | Bodø | 1996 |
| Kristine Danielsen AS | Skien | 2003 |
| Kristine Danielsen Hovenga AS | Porsgrunn | 2010 |
| Kristine Josefsen AS | Stavanger | 2025 |
| Kristine Klær AS | Kongsberg | 2016 |
| Kristines Hesteutstyr Da | Fyresdal | 1991 |
| Kristins Brudesalong AS | Oslo | 2000 |
| Kristo Bil AS | Moss | 2021 |
| Kristoffer Andersen AS | Sandefjord | 2011 |
| Kristoffer Foss AS | Storebø | 2021 |
| Kristoffer Kaarbø AS | Straumsgrend | 1978 |
| Kristoffer Lilleng AS | Storslett | 2025 |
| Kristoffer Norli Svarva AS | Arendal | 2006 |
| Kristoffersen Bil AS | Stjørdal | 1997 |
| Kristoffersen Butikkdrift AS | Drøbak | 2018 |
| Kristoffersen Dagligvare AS | Sannidal | 2026 |
| Kristoffersens Agenturer AS | Meråker | 2012 |
| Krittkids AS | Bergen | 2025 |
| Krivule AS | Vassenden | 2025 |
| Kriwa Holding AS | Gjøvik | 2005 |
| Kriz Me Zanz AS | Levanger | 2010 |
| Krizoo AS | Stokke | 1989 |
| Krka Sverige AB | Oslo | 2006 |
| Krkela AS | Askim | 2023 |
| KRL Venture AS | Kristiansand S | 2020 |
| Krmr Distribution AS | Oslo | 2013 |
| Kroba Studio AS | Oslo | 2024 |
| Kroda AS | His | 2024 |
| Krog AS | Hunndalen | 2012 |
| Krog Holding AS | Oslo | 2025 |
| Krog Trelast AS | Mysen | 2024 |
| Krogen Bil AS | Valderøya | 2014 |
| Krogh Antikk & Vintage AS | Halden | 2016 |
| Krogh Dagligvare AS | Stjørdal | 2026 |
| Krogh Holding AS | Oslo | 2005 |
| Krogh Optikk AS | Oslo | 1973 |
| Krogh Optikk Drift AS | Oslo | 1986 |
| Krogh Optikk H.Iversen AS | Trondheim | 1969 |
| Krogh Styling Concept AS | Hosle | 2017 |
| Kroghs Bilsalg AS | Oslo | 1983 |
| Krogsgaard Kompagni Norge AS | Staubø | 2014 |
| Krogshavn Holding AS | Langesund | 2005 |
| Krogstad Import AS | Hamarvik | 2025 |
| Krogstadmo AS | Stavanger | 2022 |