| Herreklinikken Skandinavia AS | Health & social care | 2018 |
| Herremagasinet Big and Tall AS | Wholesale & retail | 1996 |
| Herrenknecht Norway AS | Wholesale & retail | 2015 |
| Herreskredder John Løknes AS | Manufacturing | 2019 |
| Herrharr AS | Arts & recreation | 2018 |
| Herrherman Holding AS | | 2021 |
| Herring Gull Services AS | Real estate | 2025 |
| Herrmann Investment AS | Real estate | 2006 |
| Herseth AS | Professional & scientific | 2000 |
| Hersjøen Airport Village AS | Administrative & support | 2019 |
| Hersjøvegen Ullensaker AS | Real estate | 2014 |
| Herslebs Gate 7 AS | Real estate | 2013 |
| Hersleth Media AS | Professional & scientific | 2018 |
| Herso AS | | 2025 |
| Herstrøm Holding AS | Education | 2024 |
| Hertof Holding AS | Real estate | 2019 |
| Hertzberg Holding AS | | 2026 |
| Hertzberg Varmeteknikk AS | Construction | 2014 |
| Heruud AS | Information & communication | 2026 |
| Hervik AS | Real estate | 2022 |
| Hervold Invest AS | | 2020 |
| Hesa Invest AS | Real estate | 2016 |
| Hesiax AS | | 2018 |
| Hesiod AS | | 2020 |
| Hesira AS | | 2026 |
| Hesjadalen Invest AS | Wholesale & retail | 2015 |
| Hesjeveien 8C, 1084 Oslo AS | Real estate | 2019 |
| Hesketh and Son AS | | 2026 |
| Hesla Farm AS | Hospitality | 2025 |
| Hesla Holding AS | | 2006 |
| Hespriholmen Invest AS | Real estate | 2003 |
| Hess Holding AS | Professional & scientific | 2021 |
| Hessa Partners AS | Real estate | 2023 |
| Hessel Productions AS | Information & communication | 2022 |
| Hesselberggate 7 AS | Real estate | 2015 |
| Hesselbergs Gate 10 AS | Real estate | 2015 |
| Hesselroth Invest AS | | 2022 |
| Hesseng Handelseiendom AS | Real estate | 2006 |
| Hesslund Arkitektur AS | Professional & scientific | 2021 |
| Hest Agentur AS | Professional & scientific | 2018 |
| Hestebekken Holding AS | Information & communication | 2021 |
| Hesteguiden Com AS | Information & communication | 2000 |
| Hestehaven Invest AS | | 2020 |
| Hestehov Rådgivning AS | Information & communication | 2018 |
| Hestekrefter AS | Agriculture & fishing | 2023 |
| Hestenes Kraftverk AS | Energy | 2025 |
| Hesteskoen 7 AS | Real estate | 2015 |
| Hesteskoen AS | Administrative & support | 2022 |
| Hesteskoen Invest AS | Financial services | 2016 |
| Hestesportmedier AS | Information & communication | 2018 |
| Hestesportmedier Produksjon AS | Professional & scientific | 2012 |
| Hesthei AS | Health & social care | 2022 |
| Hesthest Kreativt Kontor AS | Professional & scientific | 2013 |
| Hestia Holding AS | | 2025 |
| Hestia Invest AS | Real estate | 2015 |
| Hestia Werring AS | Real estate | 1998 |
| Hestiia Bjerke AS | Wholesale & retail | 2023 |
| Hestmann Kapital AS | Information & communication | 2016 |
| Hestnes Finans AS | Financial services | 2016 |
| Hestra Martin Magnusson & Co AB Filial Av Utenlandsk Foretak Nuf | Wholesale & retail | 1995 |
| Hestra Norge AS | Wholesale & retail | 2014 |
| Hestviken AS | Real estate | 2015 |
| Heta Holding AS | Real estate | 2005 |
| Hetho Holding AS | | 2025 |
| Heti AS | Financial services | 1968 |
| Hetija Invest AS | Professional & scientific | 2005 |
| Hetland Eiendomsinvest AS | Real estate | 2023 |
| Hetland Godthaab AS | Real estate | 2019 |
| Hetland Handel AS | Wholesale & retail | 2003 |
| Hetland Næring II AS | Real estate | 2018 |
| Hetlandhus AS | Wholesale & retail | 2003 |
| Hetlands Capital AS | Professional & scientific | 2011 |
| Hetlands Gecco Management AS | Real estate | 2005 |
| Hetlandsgata 25 AS | Real estate | 2024 |
| Hetle Invest AS | | 2018 |
| Hetlevik Invest AS | | 2023 |
| Hetrum AS | | 2018 |
| Hets Eiendom AS | Real estate | 2021 |
| Hett Marked AS | Wholesale & retail | 2024 |
| Hettis Invest AS | | 2024 |
| Heuch Holding AS | | 2019 |
| Heum Kiropraktikk AS | Health & social care | 2016 |
| Hev Boligdesign AS | Real estate | 2023 |
| Hev Entreprenør AS | Construction | 2023 |
| Heve AS | | 2024 |
| Hevica AS | | 2025 |
| Hevim AS | | 2020 |
| Hevold Group AS | Real estate | 1992 |
| Hevold Shipping AS | Transport & logistics | 1967 |
| Hevp No Residential AS | Real estate | 2023 |
| Hevregalden AS | Financial services | 2004 |
| Hevroy Communication AS | Professional & scientific | 1998 |
| Hevvi Maskin AS | Construction | 2018 |
| Hewardmills Nordics AS | Professional & scientific | 2025 |
| Hewi Invest AS | Real estate | 2020 |
| Hewlett-Packard Norge AS | Wholesale & retail | 1967 |
| Hexabo AS | Professional & scientific | 2013 |
| Hexagon AS | Arts & recreation | 1996 |
| Hexagon Codes AS | Professional & scientific | 2024 |
| Hexagon Frisør AS | Other services | 1998 |