| Ewa Spasowska AS | Drammen | 2016 |
| Ewiad AS | Oslo | 2026 |
| Ewo Med AS | Tolvsrød | 2021 |
| Exact Estimates AS | Oslo | 2020 |
| Excelencia Medical Group AS | Larvik | 2022 |
| Exomed AS | Sandnes | 2025 |
| Experentia Invest AS | Elverum | 2020 |
| Expiro AS | Oslo | 2013 |
| Exstress AS | Årnes | 2015 |
| Eye in the Sky AS | Oslo | 2022 |
| Eye Invest AS | Drammen | 2025 |
| Eye JS AS | Drammen | 2025 |
| EYE4ASSETS AS | Oslo | 2016 |
| Eyec AS | Oslo | 2016 |
| Eyedoc AS | Oslo | 2002 |
| Eyevisionandseed AS | Oslo | 2023 |
| Eyki Invest AS | Halden | 2024 |
| F. Ad. Müller Söhne GmbH & Co KG | 65183 Wiesbaden | 2009 |
| F. Bruvik AS | Bergen | 2023 |
| F. Myrland AS | Alta | 2003 |
| F.O Holding AS | Vettre | 2020 |
| F.Tec AS | Lyngseidet | 2020 |
| F99 Holding AS | Oslo | 2025 |
| Fabser Helse AS | Oslo | 2019 |
| Face & Body AS | Kolbotn | 2009 |
| Face 2 Face Management AS | Nesodden | 2003 |
| Factum Helse Da | Rykkinn | 2007 |
| Fagerborglegene Da | Oslo | 2004 |
| Fagerhaug Solutions AS | Oslo | 2015 |
| Fagerheim Logopedi AS | Bodø | 2024 |
| Fagerholt Tannlegesenter AS | Kristiansand S | 2023 |
| Fagerland Helse Og Naturterapi AS | Åkrehamn | 2016 |
| Fagerli Fysioterapi AS | Selbu | 2025 |
| Fagerli Helse- Og Kiropraktortjenester AS | Heimdal | 2019 |
| Fagernes Kiropraktorsenter Ans | Fagernes | 1996 |
| Fagernæs AS | Larvik | 1993 |
| Fagersand Gyn AS | Tønsberg | 2023 |
| Fagersand Helse AS | Tønsberg | 2018 |
| Fagerstrand Legesenter AS | Fagerstrand | 2025 |
| Fagertann Tannklinikk AS | Fagerstrand | 2019 |
| Fagertun Trygt Og Trivelig AS | Jaren | 2017 |
| Fagervik Fysioterapi AS | Asker | 2026 |
| Faghjem AS | Oslo | 2025 |
| Fahres Barne- Og Ungdomspsykiatri AS | Oslo | 2020 |
| Faizi Medisinske AS | Halden | 2023 |
| Falck Danmark | Dk-2450 København Sv | 2020 |
| Falck Helseformidling AS | Oslo | 2006 |
| Falck Norge AS | Oslo | 2007 |
| Falck Omnia AS | Trondheim | 2022 |
| Falck X-Ray AS | Trondheim | 2021 |
| Faldalen Virksomhetssenter AS | Gan | 2010 |
| Falketind Helse AS | Åsgreina | 2019 |
| Falkum Eiendom AS | Porsgrunn | 2002 |
| Falkum Legesenter Drift AS | Skien | 2020 |
| Falkum Legesenter Rahimi AS | Skien | 2026 |
| Falkum Psykiatri AS | Lillestrøm | 2010 |
| Falldalen Nuf | Se-752 37 Uppsala | 2023 |
| Falx AS | Stabekk | 2024 |
| Fam Klinikk AS | Oslo | 2020 |
| Fam.Klippen Holding AS | Sandnes | 2018 |
| Famfirst AS | Oslo | 2023 |
| Familie Og Nettverkskontoret Ans | Lillehammer | 1999 |
| Familiebaserte Tjenester Da | Halden | 2010 |
| Familiehjelp AS | Asker | 2018 |
| Familiehjelpgruppen AS | Asker | 2021 |
| Familiekiropraktoren Jæren AS | Varhaug | 2014 |
| Familielegen AS | Sandefjord | 2012 |
| Familieterapeut Bente Grøtte AS | Vanvikan | 2025 |
| Familieveiledningen AS | Borgenhaugen | 2012 |
| Famne Arbeid AS | Hunndalen | 1990 |
| Fana Fysioterapi Da | Nesttun | 2017 |
| Fana Gynekologipraksis AS | Nesttun | 1995 |
| Fana Legekontor Da | Fana | 2006 |
| Fana Øre-Nese-Hals AS | Kalandseidet | 1999 |
| Fang Holding AS | Fjellhamar | 2024 |
| Fanson AS | Oslo | 1995 |
| Fantastiskt AS | Grålum | 2019 |
| Farhan Rafique AS | Fredrikstad | 2013 |
| Farmah AS | Fjellhamar | 2025 |
| Farmakeion AS | Oslo | 2013 |
| Farmannsgate Tannlegesenter AS | Fredrikstad | 2015 |
| Farmasikompetanse AS | Alta | 2004 |
| Farmasøyttjenester AS | Oslo | 2023 |
| Farmed AS | Porsgrunn | 2015 |
| Farrago AS | Oslo | 2018 |
| Farris Fysioterapi AS | Larvik | 2024 |
| Farsund Legesenter Da | Farsund | 2014 |
| Fasai Aroma & Beauty Da | Drammen | 2013 |
| Fascia Norge Da | Stavanger | 2026 |
| Fasia AS | Nesttun | 2011 |
| Fasia Innlandet AS | Elverum | 2019 |
| Fasia Sport Og Rehab AS | Straume | 2016 |
| Fasia Vestland AS | Bergen | 2020 |
| Fasit Norge Ans | Lillehammer | 2015 |
| Fast Rørvik AS | Rørvik | 2003 |
| Fast Tann AS | Trondheim | 2023 |
| Fast Track AS | Stavanger | 2003 |
| Fastlege Bjørkøyli AS | Hokksund | 2025 |
| Fastlege DR. Dusik AS | Sandefjord | 2013 |
| Fastlege Fredrik Fredriksen AS | Tromsø | 2016 |