| Heisconsult AS | Professional & scientific | 1997 |
| Heisenberg AS | Administrative & support | 2018 |
| Heisentreprenøren AS | Construction | 2019 |
| Heisjef AS | Information & communication | 2021 |
| Heiskompetanse AS | | 2017 |
| Heiskonsulenten AS | Professional & scientific | 2005 |
| Heiskontrollen AS | Professional & scientific | 2010 |
| Heisrådgiveren AS | Professional & scientific | 2019 |
| Heisselskapet Løft AS | Construction | 2021 |
| Heistjenesten AS | Manufacturing | 2004 |
| Heitzen Invest AS | Financial services | 2016 |
| Hejm AS | | 2021 |
| Hejosa Holding AS | | 2026 |
| Hejuma Invest AS | Real estate | 2020 |
| Hek Holding AS | Arts & recreation | 2022 |
| Heka Eiendom AS | Real estate | 2005 |
| Heka Eiendom Drift AS | Real estate | 2022 |
| Heka Group AS | Financial services | 2015 |
| Hekamo AS | Real estate | 1980 |
| Hekkan AS | | 2018 |
| Hekken Invest AS | | 2019 |
| Hekkveien Holding AS | | 2021 |
| Hekla Kapital AS | Professional & scientific | 2018 |
| Heko Invest AS | Real estate | 2021 |
| Hekotek Norge AS | Construction | 2019 |
| Heks Invest AS | | 2005 |
| Heksfjell Da | Real estate | 2004 |
| Hekt AS | Professional & scientific | 2023 |
| Hekt Holding AS | | 2021 |
| Hekto Invest AS | Financial services | 2015 |
| Hektor AS | Information & communication | 1993 |
| Hektor Grammofon AS | Arts & recreation | 2008 |
| Hektor Invest AS | Financial services | 2013 |
| Hektor Technologies AS | | 2020 |
| Hel AS | Financial services | 2012 |
| Hel Ved Media AS | Professional & scientific | 2016 |
| Hela AS | | 2025 |
| Helander Bolstad AS | Professional & scientific | 2013 |
| Helander Bolstad Invest AS | | 2019 |
| Helander Design AS | Manufacturing | 1996 |
| Helbra AS | Financial services | 2018 |
| Held AS | | 2020 |
| Helda Handel AS | Wholesale & retail | 2025 |
| Heldi Holding AS | | 2022 |
| Hele Byggservice AS | Construction | 2019 |
| Hele Norge Mediterer AS | Education | 2025 |
| Helemice AS | Information & communication | 2018 |
| Helen Haanes AS | Health & social care | 2007 |
| Helen Zoe Holdingselskap AS | | 2024 |
| Helena Capital AS | Real estate | 2007 |
| Helena Holding AS | Financial services | 2017 |
| Helena Invest AS | | 2023 |
| Helena Slapø AS | Arts & recreation | 2020 |
| Helena Vintage AS | Wholesale & retail | 2024 |
| Helene & Cornelia Interiør Ans | Wholesale & retail | 2005 |
| Helene Eiendom AS | Real estate | 2005 |
| Helene Holding AS | Financial services | 1995 |
| Helene Holm AS | Professional & scientific | 2015 |
| Helene Mariussen AS | Professional & scientific | 2025 |
| Helene Mynthandel AS | Wholesale & retail | 2017 |
| Helene Sundt AS | Real estate | 2003 |
| Helene Ulrichsen AS | Professional & scientific | 2024 |
| Helenebo AS | Professional & scientific | 2019 |
| Heleneragnhild AS | Education | 2015 |
| Helens Rør AS | Wholesale & retail | 1974 |
| Helford Holding AS | | 2026 |
| Helga & Sønn AS | Financial services | 2017 |
| Helga AS | | 2022 |
| Helga Emblemsvåg AS | Professional & scientific | 2026 |
| Helga Holding AS | | 2024 |
| Helgawil AS | Administrative & support | 2026 |
| Helge Bergo AS | Construction | 1997 |
| Helge Bjonge Eiendom AS | Real estate | 1986 |
| Helge Bolstad AS | Wholesale & retail | 1989 |
| Helge Hansen Siv.Ark Mnal AS | Professional & scientific | 2014 |
| Helge Hollerud AS | Professional & scientific | 2019 |
| Helge Karlsen AS | Construction | 1992 |
| Helge Mørck Holding AS | Other services | 2017 |
| Helge Nordseth AS | | 2005 |
| Helge Næs AS | | 2022 |
| Helge R Olsen Eiendom Hønefoss AS | Real estate | 2002 |
| Helge R Olsen Holding AS | Real estate | 2012 |
| Helge Rotnes AS | Wholesale & retail | 2005 |
| Helge Stokke AS | Information & communication | 2020 |
| Helge Vik AS | | 2019 |
| Helgehornet AS | | 2021 |
| Helgeland Hotellinvest AS | Real estate | 2021 |
| Helgeland Industriutvikling AS | Real estate | 2020 |
| Helgeland Invest AS | Real estate | 1985 |
| Helgeland Utvikling AS | Real estate | 2015 |
| Helgerød AS | | 2018 |
| Helgerød Holding AS | Information & communication | 2020 |
| Helgesens Gate 26 Oslo AS | Real estate | 2025 |
| Helgesens Gate 30 Holding AS | | 2025 |
| Helgesens Gate 70 BRL AS | | 2024 |
| Helgesensgate 1 AS | Real estate | 2006 |
| Helgesensgate 12 - 14 AS | Real estate | 2001 |
| Helgesensgate 12-14 Holding AS | Real estate | 2020 |
| Helgesensgate 21 Parkering AS | Transport & logistics | 2021 |
| Helgesensgt. 71, Seksjon 1 AS | Real estate | 2012 |