| Skedsmo Medisinske Senter AS | Skedsmokorset | 1996 |
| Skedsmo Psykologklinikk AS | Skedsmokorset | 2024 |
| Skedsmokorset Legesenter AS | Skedsmokorset | 2017 |
| Skeiane Legesenter AS | Sandnes | 2014 |
| Skeiane Tannlegesenter AS | Sandnes | 2023 |
| Ski Fotterapi AS | Ski | 2019 |
| Ski Fysioterapi for Barn Og Unge AS | Ski | 2009 |
| Ski Fysioterapisenter AS | Ski | 2025 |
| Ski Osteopati Da | Ski | 2006 |
| Ski Spesialistsenter AS | Ski | 2012 |
| Ski Tannlegesenter AS | Ski | 2024 |
| Ski Urologiske Spesialistsenter AS | Ski | 2018 |
| Ski Ønh Drift Da | Ski | 2016 |
| Ski Øre-Nese-Hals AS | Drøbak | 2015 |
| Skien Bilskade Og Verksted Holding AS | Skien | 2016 |
| Skien Fysikalske Institutt Og Akupunktur Da | Skien | 1970 |
| Skien Hudlegesenter AS | Skien | 2021 |
| Skien Tannhelse AS | Skien | 2025 |
| Skien Tannhelse Da | Skien | 2009 |
| Skien Tannlegesenter Skien Tannlegevakt AS | Skien | 2020 |
| Skien Tannregulering AS | Skien | 2020 |
| Skien Øyelegesenter AS | Skien | 2023 |
| Skill AS | Fornebu | 2024 |
| Skin Aesthetic.Klinikk AS | Florvåg | 2023 |
| Skin Clinic Kristiansund AS | Kristiansund N | 2026 |
| Skin Clinic Lillestrøm AS | Lillestrøm | 2013 |
| Skin Clinic Molde AS | Molde | 2019 |
| Skin Clinic Torvgata 11 AS | Lillestrøm | 2026 |
| Skin Cosmetic AS | Drammen | 2011 |
| Skin Medical Clinic AS | Oslo | 2011 |
| Skin Medical Gruppen AS | Kragerø | 2012 |
| Skin Nurse AS | Tolvsrød | 2025 |
| Skin Stories AS | Hønefoss | 2021 |
| Skincircle AS | Mjølkeråen | 2021 |
| Skinclinic AS | Jessheim | 2020 |
| Skinconcept AS | Oslo | 2021 |
| Skinconsult AS | Gressvik | 2025 |
| Skindeep Beauty AS | Galterud | 2023 |
| Skinlab Tromsø AS | Tromsø | 2022 |
| Skinmed.No AS | Gjøvik | 2019 |
| Skinmedicaloslo AS | Oslo | 2025 |
| Skinona AS | Bø I Telemark | 2023 |
| Skinzone Medispa AS | Stavanger | 2021 |
| Skipper Worse AS | Stavanger | 1997 |
| Skippergata Institutt Ans | Halden | 2001 |
| Skippergata Institutt AS | Halden | 2013 |
| Skipstad HMS AS | Vesterøy | 2011 |
| Skirnir Invest AS | Husnes | 2005 |
| Skjalg Fysikalske AS | Porsgrunn | 2015 |
| Skjeggestad AS | Stavanger | 2006 |
| Skjekkeland Øyelegepraksis AS | Søgne | 2010 |
| Skjetten Legesenter AS | Skjetten | 2014 |
| Skjold Fotklinikk AS | Rådal | 2018 |
| Skjold Kompetanse AS | Oslo | 2018 |
| Skjold Tannlegesenter AS | Nesttun | 2020 |
| Skjåk Fotklinikk AS | Skjåk | 2012 |
| Skjærgårdstannlegene Da | Grimstad | 2009 |
| Skjølsvik Kardiologi AS | Oslo | 2026 |
| Skjønnhetslegen AS | Oslo | 2019 |
| Skjøthaug Consulting AS | Oslo | 2021 |
| SKK Holding AS | Sandnes | 2011 |
| Skodje Tannklinikk AS | Skodje | 2013 |
| Skofteby Helsepartner AS | Oslo | 2026 |
| Skog Omsorg AS | Tverlandet | 2022 |
| Skogland Fysioterapi Og Trening AS | Jørpeland | 2023 |
| Skogli Helse Og Rehabiliteringssenter AS | Lillehammer | 1999 |
| Skoglund AS | Stavanger | 2018 |
| Skoglyklinikken AS | Drammen | 2012 |
| Skogn Fysio AS | Skogn | 2024 |
| Skogstad Kinetiks AS | Sandvika | 2009 |
| Skolegata Tannlegekontor AS | Kongsberg | 2025 |
| Skontorp Ressurssenter AS | Engelsviken | 2025 |
| Skreia Fysioterapi Da | Skreia | 2022 |
| Skreia Legesenter Da | Skreia | 2015 |
| Skreia Tannlegesenter AS | Skreia | 2023 |
| Skudeneshavn Tannlegesenter AS | Skudeneshavn | 2017 |
| Skui Bo Og Omsorgshjem Da | Tranby | 2006 |
| Skui Legekontor AS | Skui | 2024 |
| Skui Legekontor Da | Skui | 2015 |
| Skullerud Tannlegesenter AS | Oslo | 2005 |
| Skulstad AS | Bergen | 2015 |
| Skumrull AS | Rådal | 2025 |
| Skybert-Tjenesten AS | Tjøme | 2025 |
| Skydent AS | Drammen | 2020 |
| Skye AS | Ålesund | 2021 |
| Skyrud Legepraksis AS | Kirkenær | 2017 |
| Skåra Næring AS | Kolsås | 2017 |
| Skårer Legesenter AS | Lørenskog | 2020 |
| Skøyen Familieklinikk AS | Oslo | 2021 |
| Skøyen Helsesenter AS | Oslo | 2019 |
| Skøyen Osteopatiske Senter AS | Oslo | 2005 |
| Skøyenåsen Fysioterapi AS | Oslo | 2012 |
| Skøyenåsen Fysioterapi Da | Oslo | 2022 |
| Skøyenåsen Kiropraktorkontor AS | Oslo | 2009 |
| Skøyenåsen Tannklinikk AS | Oslo | 2014 |
| Skøyenåsenlegene AS | Oslo | 2020 |
| Slagen Legekontor Ans | Tolvsrød | 2004 |
| Slattum Tann Og Røntgen AS | Slattum | 1987 |
| Slattum Tannlegekontor Ans | Slattum | 2002 |
| Sleiban AS | Moss | 2018 |