| Holm Tannlege AS | Oslo | 2025 |
| Holmberg Pride AS | Vik I Sogn | 2020 |
| Holmed AS | Skien | 2013 |
| Holmedalen Tannlegesenter AS | Kleppestø | 2017 |
| Holmen Legesenter AS | Stavanger | 2017 |
| Holmen Logopedi Da | Oslo | 2006 |
| Holmen Tannklinikk AS | Nesbru | 2022 |
| Holmenkollen Medical AS | Nesøya | 2012 |
| Holmenlegene AS | Nesbru | 2007 |
| Holmestrand Fjordhotell Drift AS | Holmestrand | 2019 |
| Holmestrand Fotklinikk AS | Holmestrand | 2022 |
| Holmestrand Legesenter AS | Holmestrand | 2018 |
| Holmestrand Medisinske Senter AS | Holmestrand | 2012 |
| Holmlia Legesenter AS | Oslo | 2001 |
| Holmlia Senter Fysioterapi AS | Oslo | 2025 |
| Holmlia Tannlegekontor AS | Oslo | 2017 |
| Holmlia Tannlegesenter AS | Oslo | 2016 |
| Holmvik AS | Bodø | 2020 |
| Holonorman Holding AS | Oslo | 2021 |
| Holstad Allmennmedisin AS | Sandefjord | 2017 |
| Holstad Craft AS | Bergen | 2025 |
| Holt Vestvollen Legekontor Da | Skedsmokorset | 2015 |
| Holt Vestvollen Legesenter AS | Skedsmokorset | 2014 |
| Holtan Klinikken AS | Bø I Telemark | 2009 |
| Holteberg Holding AS | Trøgstad | 1996 |
| Holten Fysioterapi AS | Sunndalsøra | 2006 |
| Holten Institutt Drift AS | Oslo | 1998 |
| Holter H AS | Levanger | 2020 |
| Holter Legekontor AS | Holter | 2011 |
| Holtet Fysio- Og Manuellterapi AS | Oslo | 2021 |
| Holtet Spesialisttannhelse AS | Oslo | 2015 |
| Holtet Tannlegesenter AS | Oslo | 2017 |
| Holthe Klinikk AS | Oslo | 2025 |
| Holzhalbinsel AS | Askim | 2025 |
| Homan Innovation AS | Oslo | 2025 |
| Homeopat Og Kinesiolog Siri Tilset AS | Trondheim | 2014 |
| Homeostasis AS | Bekkestua | 2023 |
| Hommelvik Legekontor Da | Hommelvik | 2015 |
| Hook-It AS | Risør | 2018 |
| Hope Finans AS | Øvre Ervik | 2017 |
| Hope Kiropraktorklinikk AS | Øvre Ervik | 2022 |
| Hopenhus AS | Tønsberg | 1985 |
| Hopsnes AS | Bergen | 2013 |
| Hopstock Helse AS | Oslo | 2019 |
| Hopsåsen Invest AS | Fana | 2005 |
| Horeca Akademiet AS | Ørsta | 2018 |
| Horgenjonsson AS | Larvik | 2012 |
| Horgetun AS | Bekkjarvik | 1997 |
| Horgmo Jæger AS | Hamar | 1999 |
| Hormoner Og Helse AS | Sandnes | 2024 |
| Horn Fysioterapi AS | Østerås | 2025 |
| Hornstuen Health, Consulting & Development AS | Oslo | 2026 |
| Horten Fysioterapi Og Manuellterapi AS | Horten | 2018 |
| Horten Øre Nese Hals AS | Drammen | 2019 |
| Hosle Legekontor AS | Hosle | 2012 |
| Hotel@Home AS | Oslo | 2020 |
| Hotvedt Fag Og Utvikling AS | Kodal | 2026 |
| Hotvet Legesenter AS | Drammen | 2021 |
| House of Health AS | Oslo | 2020 |
| House of Health Holding AS | Oslo | 2021 |
| House of Smiles AS | Oslo | 2023 |
| Hovde Fysioterapi AS | Nesbyen | 2023 |
| Hovden Tannklinikk AS | Hovden I Setesdal | 2013 |
| Hovdetun Utvikling AS | Oslo | 2026 |
| HR Capital Holdings AS | Lørenskog | 2023 |
| HR Helse AS | Lørenskog | 2025 |
| HRB Holding AS | Tønsberg | 2023 |
| HS Investment Group AS | Ørnes | 2023 |
| HS Manuellterapi AS | Sauda | 2025 |
| HS Omsorg AS | Ørnes | 2023 |
| Hse & Travel AS | Fornebu | 2008 |
| Hse Excellence AS | Kvinesdal | 2020 |
| Hse Integrated Ltd | Calgary Alberta T2P 0S8 | 2010 |
| Hse Offshore Ltd | Corbridge Ne45 5Pq | 2013 |
| Hse Telemark AS | Porsgrunn | 2017 |
| Hsie AS | Egersund | 2018 |
| Hsse Systems AS | Stavanger | 2017 |
| HT Omsorg AS | Harestua | 2018 |
| HTG Optikk AS | Kristiansand S | 2021 |
| Hubro Helse AS | Oslo | 2025 |
| Hubstart Invest. AS | Oslo | 2021 |
| Hud & Estetik DR Bartosik AB | Haugesund | 2006 |
| Hud & Fot AS | Strømmen | 2024 |
| Hud Medica AS | Kolvereid | 2021 |
| Hud Og Fot-Dama AS | Kyrksæterøra | 2026 |
| Hud Og Fotklinikken AS | Stokmarknes | 2023 |
| Hud Og Hårklinikken AS | Oslo | 2022 |
| Hud Vest AS | Bergen | 2019 |
| Hud&Akne Klinikken AS | Oslo | 2013 |
| Hud- Og Laserklinikken AS | Ørsta | 2023 |
| Hud-Klinikken AS | Kolbjørnsvik | 2020 |
| Hudcelleklinikken AS | Tromsø | 2023 |
| Hudcenter Holding AS | Kongsvinger | 2020 |
| Hudconsult AS | Oslo | 1997 |
| Hudhelseklinikken AS | Vestby | 2013 |
| Hudia AS | Oslo | 2026 |
| Hudkilden AS | Mo I Rana | 2015 |
| Hudklinikk Oslo AS | Oslo | 2014 |
| Hudklinikken AS | Oslo | 2023 |
| Hudkonseptet AS | Kristiansand S | 2024 |