| Hallingdal Helsetjenester AS | Flå | 2020 |
| Hallink AS | Haugesund | 2022 |
| Hallset Legesenter AS | Trondheim | 1994 |
| Hallux AS | Rådal | 2025 |
| Hallvard Høiberg Ønh AS | Oslo | 2026 |
| Halmar AS | Ålesund | 2019 |
| Halmstad Legekontor Da | Rygge | 2021 |
| Halsethgruppen AS | Kyrksæterøra | 2019 |
| Halsnøy Tannklinikk AS | Sæbøvik | 2013 |
| Hamar Fysioterapi AS | Hamar | 2021 |
| Hamar Gynekologi AS | Hamar | 2009 |
| Hamar Helse - Annestesi AS | Hamar | 2004 |
| Hamar Hudlegekontoret AS | Sandvika | 2018 |
| Hamar Kiropraktorklinikk Da | Hamar | 2009 |
| Hamar Kiropraktorsenter AS | Hamar | 2013 |
| Hamar Legesenter Da | Hamar | 2011 |
| Hamar Ortopediske AS | Hamar | 2025 |
| Hamar Ortopediske AS | Hamar | 1990 |
| Hamar Tannlegevakt AS | Hamar | 2019 |
| Hamarklinikken AS | Hamar | 2013 |
| Hamec AS | Son | 2005 |
| Hamgaard Fysioterapi AS | Veggli | 2021 |
| Hamgaard Holding AS | Kongsberg | 2021 |
| Hamholding AS | Kristiansand S | 2023 |
| Hamid Sepahvand AS | Notodden | 1997 |
| Hamilton Helse AS | Sandefjord | 2019 |
| Hammarstrøm Holding AS | Rypefjord | 2024 |
| Hammartann AS | Rypefjord | 2024 |
| Hammeren Fysioterapi AS | Melhus | 2025 |
| Hammerfest Fysikalske AS | Hammerfest | 2004 |
| Hammerstveit AS | Åkrehamn | 2026 |
| Hamoni AS | Treungen | 2011 |
| Hamremoen Gård AS | Skollenborg | 2021 |
| Hana Fysioterapi Da | Sandnes | 2010 |
| Hanadalen Legesenter AS | Sandnes | 2017 |
| Handelsbolaget Sekon | Oslo | 2012 |
| Handelstorget Tannlegesenter Da | Skien | 2005 |
| Handle With Care AS | Oslo | 2020 |
| Hanefoten Fotklinikk AS | Mosjøen | 2026 |
| Hangursvegen 10 AS | Voss | 2005 |
| Hanif Barnefaglig Psykologi AS | Jevnaker | 2010 |
| Hanna Kern Dental AS | Skien | 2012 |
| Hanne Ellingsen Fysioterapi AS | Tennevoll | 2024 |
| Hanne Gaarder Almgren AS | Oslo | 2023 |
| Hanne Kolderup AS | Oslo | 2016 |
| Hanne Louise Storås AS | Asker | 2024 |
| Hanne Ringdal Fysioterapi AS | Asker | 2025 |
| Hannelore Neumann AS | Larvik | 2017 |
| Hannes Fotterapi AS | Ås | 2015 |
| Hannes Ride- Og Fysioterapi AS | Rognan | 2017 |
| Hans & Olaf Fysioterapi AS | Oslo | 1989 |
| Hans Dahlseng AS | Asker | 2013 |
| Hans Høvik AS | Paradis | 2014 |
| Hans Jørgen Fiskaadal AS | Kristiansand S | 2003 |
| Hans Og Grete Tannklinikk AS | Drøbak | 2005 |
| Hansen Group AS | Evenskjer | 2026 |
| Hansen Manuellterapi Og Fysioterapi AS | Larvik | 2020 |
| Hansoa AS | Halden | 2007 |
| Hansson Stefan | 234 42 Lomma | 2010 |
| Hapow Invest AS | Oslo | 2019 |
| Happy Care AS | Oslo | 2013 |
| Happy Feet Verdal AS | Verdal | 2024 |
| Hapro Inkludering AS | Jaren | 2021 |
| Hapro Jobb Og Karriere AS | Jaren | 2017 |
| Har.O AS | Røyken | 2024 |
| Harabanar Holding AS | Nøtterøy | 2022 |
| Harald Ringdal AS | Hokksund | 2016 |
| Harald Vadla AS | Levanger | 1997 |
| Haraldini AS | Oslo | 2023 |
| Haraldsplass Diakonale Sykehus AS | Bergen | 2001 |
| Haraldsplass Serio Ung AS | Bergen | 2015 |
| Haram Industrier AS | Brattvåg | 1993 |
| Haram Kiropraktorklinikk AS | Tennfjord | 2013 |
| Harbitzalleen Legesenter AS | Oslo | 1994 |
| Harboe Medical AS | Stavanger | 2007 |
| Hardanger Aks AS | Norheimsund | 1987 |
| Hardangerbadet Fysioterapi AS | Øystese | 2016 |
| Hardhats AS | Vestby | 2019 |
| Harding Holding AS | Asker | 2022 |
| Hardy Haidar AS | Bergen | 2026 |
| Harebakken Fysioterapi AS | Arendal | 2026 |
| Hareid Eldresenter SA | Hareid | 2022 |
| Hareid Fysikalske Institutt AS | Hareid | 2013 |
| Hareid Legesenter AS | Hareid | 2017 |
| Harestua Fysioterapi AS | Harestua | 2026 |
| Harestua Legedrift AS | Harestua | 2012 |
| Hari AS | Sandnes | 2025 |
| Hariwolfr AS | Bjørnemyr | 2024 |
| Harmona AS | Oslo | 1988 |
| Harmoni Akupunkturklinikk AS | Tromsø | 2025 |
| Harmoni AS | Voss | 2003 |
| Harmoni Healingmassasje AS | Korgen | 2019 |
| Harmonium Invest AS | Trondheim | 2009 |
| Harnan AS | Bergen | 2022 |
| Harpix AS | Haugesund | 2014 |
| Harris Eiendom AS | Oslo | 2018 |
| Harris Medical AS | Stavanger | 2025 |
| Harry Pedersen Holding AS | Beisfjord | 2025 |
| Harstad Logopedtjeneste AS | Harstad | 2023 |
| Harstad Omsorgstjenester AS | Harstad | 2021 |