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| Kjeveortoped Ingri Beddari AS | Ørsta | 2014 |
| Kjeveortoped Ingrid Bergh AS | Rørvik | 2021 |
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| Klats AS | Tolvsrød | 2018 |
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| Klinikk a AS | Oslo | 2021 |
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| Klinikk Askim Da | Charlottenlund | 2013 |
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| Klinikk Blix AS | Hønefoss | 2017 |
| Klinikk Bølgen AS | Trondheim | 2023 |
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| Klinikk Emilie AS | Lillestrøm | 2024 |
| Klinikk Estetikk AS | Tønsberg | 2019 |
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| Klinikk for Fysioterapi AS | Råde | 2017 |
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| Klinikk for Krisepsykologi AS | Bergen | 2004 |
| Klinikk for Naturmedisin Og Alternativ Terapi Ans | Tønsberg | 2003 |
| Klinikk for Osteopati Cronauer AS | Bergen | 2024 |
| Klinikk for Psykologbehandling AS | Kongsvinger | 2011 |
| Klinikk for Seksuell Helse AS | Fjellstrand | 2025 |
| Klinikk for Smertebehandling AS | Oslo | 2005 |
| Klinikk for Tinnitus Og Hyperakusis AS | Moss | 2025 |
| Klinikk Foss AS | Trondheim | 2017 |
| Klinikk Friske Muskler AS | Oslo | 2021 |
| Klinikk Frogner AS | Oslo | 2005 |
| Klinikk Frogner Holding AS | Oslo | 2020 |
| Klinikk Førde AS | Førde | 2024 |
| Klinikk Gofotn AS | Rypefjord | 2021 |