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| KRH AS | Oslo | 2015 |
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| Kri Kommunikasjon AS | Vinterbro | 2020 |
| Kriberg Invest AS | Oslo | 2024 |
| Kribi Consulting AS | Bergen | 2009 |
| Krible Design AS | Vinstra | 2013 |
| KRICHA24 AS | Molde | 2011 |
| Kricon AS | Oslo | 2020 |
| Krifo AS | Stavanger | 2020 |
| Krifra Holding AS | Rubbestadneset | 2020 |
| Kriha AS | Oslo | 2018 |
| Krijo Consult AS | Vinterbro | 2017 |
| Krikal AS | Drammen | 2005 |
| Krikat AS | Åndalsnes | 2003 |
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| Krimaha Holding AS | Hernes | 2014 |
| Krimat AS | Oslo | 2021 |
| Kring AS | Stavanger | 2018 |
| Kringlevollen AS | Oslo | 2020 |
| Kringsjå Konsulenttjenester AS | Vang På Hedmarken | 2026 |
| Kris Myhre AS | Harstad | 2020 |
| Kris Og Conrad AS | Stavanger | 2017 |
| Krisan Holding AS | Ski | 2024 |
| Krisarch AS | Oslo | 2005 |
| Krise Records AS | Oslo | 2025 |
| Krisec AS | Bodø | 2024 |
| Krishnan Consulting AS | Kristiansand S | 2021 |
| Krismis AS | Fornebu | 2007 |
| Krison AS | Haugesund | 2026 |
| Krisslovesfood AS | Oslo | 2024 |
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| Kristensen Consulting AS | Oslo | 2020 |
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| Kristoffersen Geo Consulting AS | Lye | 2009 |
| Kristoffersen Takst AS | Eidsvåg I Åsane | 2023 |
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| Kritt AS | Sandvika | 2017 |
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| Krivo Invest AS | Bergen | 2018 |
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| Krog DNM AS | Snarøya | 2012 |
| Krogedal Holding AS | Oslo | 2022 |
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| Krogh 1877 AS | Oslo | 2026 |
| Krogh Revisjon AS | Moss | 2015 |
| Krogis Invest AS | Sandnes | 2017 |
| Krogshavn-Invest AS | Jar | 2022 |
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| Krogstad Foto AS | Porsgrunn | 2025 |