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| Harstad Tannhelsesenter Eva-Britta Thode Hansen AS | Harstad | 2007 |
| Harstad Tannhelsesenter May-Elin Balk Thomassen AS | Harstad | 2007 |
| Harstadhamn Psykomotorisk Fysioterapi SA | Harstad | 2020 |
| Hartwig Vandelay AS | Bergen | 2022 |
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| Hasetann AS | Tromsø | 2021 |
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| Haso Invest AS | Sandnes | 2018 |
| Hast Terapi & Tjenester AS | Erdal | 2024 |
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| Hatlane Fysioterapi AS | Ålesund | 2010 |
| Hatlem Paulsen Holding AS | Sola | 2019 |
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| Haualand Legetjenester AS | Jørpeland | 2026 |
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| Haug Projects AS | Lillestrøm | 2018 |
| Haugaland Legekontor AS | Kopervik | 2020 |
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| Hauge Micro Finance AS | Bergen | 2008 |
| Haugen Behandling AS | Bodø | 2021 |
| Haugen Legetjenester AS | Tromsø | 2023 |
| Haugen Psykologtjeneste Og Coaching AS | Oslo | 2017 |
| Haugen Tannklinikk Hammerfest AS | Hammerfest | 2021 |
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| Haugerud Tannlegesenter AS | Lørenskog | 2026 |
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| Haugesund Akupunkturklinikk AS | Haugesund | 2022 |
| Haugesund Fysioterapi Og Trening AS | Haugesund | 2012 |
| Haugesund Kiropraktorsenter AS | Haugesund | 2005 |
| Haugesund Medisinske Allmennleger AS | Haugesund | 2013 |
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| Haugesund Tannmedisin AS | Haugesund | 2019 |
| Haugesund Øyelegesenter AS | Bergen | 2013 |
| Haugeto Invest AS | Røyse | 2022 |
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| Haugstoga - Granheim AS | Oslo | 2005 |
| Haugthor AS | Bodø | 2025 |
| Haukeland Medispa AS | Erdal | 2006 |
| Haukelid Holding AS | Stavanger | 2024 |
| Haukir AS | Stabekk | 2018 |
| Haukir Holding AS | Stabekk | 2018 |
| Hav Og Helse AS | Hareid | 2025 |
| Hava Kompetanse AS | Oslo | 2021 |
| Hava Omsorg AS | Oslo | 2019 |
| Hava Velferd AS | Oslo | 2023 |
| Hava-Instituttet Holding AS | Oslo | 2019 |
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| Havemann Plastikkirurgi AS | Oslo | 2025 |
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| Havna Omsorg AS | Tomter | 2016 |
| Havna Tannhelsesenter AS | Mo I Rana | 2011 |
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| HB Fysio AS | Sandnes | 2022 |
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| HBG Holding AS | Færvik | 2026 |
| HBL Holding AS | Torød | 2008 |
| HBS Artmed AS | Kolbjørnsvik | 2025 |
| HCL AS | Oslo | 2018 |
| Hcø Holding AS | Gjøvik | 2005 |
| HD Medical AS | Billingstad | 2013 |
| Headmed AS | Vollen | 2021 |
| Headpower AS | Oslo | 2016 |
| Healing Retreats AS | Ottestad | 2019 |
| Health in Your Hands AS | Eidsvoll | 2024 |
| Health Management AS | Kjeller | 2010 |
| Health Saftey and Environment Inc | 2877 Charlotte North Carolina | 2016 |
| Healthbrain Lda | 2670-527 Loures | 2019 |
| Healthcare Norway AS | Fornebu | 2020 |
| Healthinvest AS | Drammen | 2012 |
| Healthwave Ventures AS | Oslo | 2021 |
| Hear IT AS | Oslo | 2015 |
| Hearing Aid Support AS | Tiller | 2022 |
| Heart Growing Home AS | Sørreisa | 2005 |
| Heart Med AS | Oslo | 2021 |
| Heart of Freedom AS | Bønes | 2019 |
| Heart Tec AS | Oslo | 2000 |
| Heart-Box Holding AS | Voss | 2019 |
| Heartbeat-Clinic AS | Eidsfoss | 2021 |
| Hebero AS | Lillesand | 2011 |
| Hebra Service AS | Froland | 2018 |
| Heda Invest AS | Lier | 2005 |
| Hedin Helse AS | Høvik | 2008 |
| Hedman Fysio AS | Drammen | 2021 |
| Hedmark Hudlegesenter AS | Elverum | 2017 |