| Harald Gilles Vei 4 AS | Flekkerøy | 2014 |
| Harald Hardråde AS | Hauglandshella | 2013 |
| Harald Hardrådesgate 23-25 AS | Oslo | 2022 |
| Harald Helgesen AS | Ranheim | 1974 |
| Harald Hårfagres Gate 1 AS | Son | 2000 |
| Harald Hårfagres Gate 3 AS | Bergen | 2025 |
| Harald Hårfagres Gate 8 AS | Klæbu | 2014 |
| Harald Johansen Eiendom AS | Ramberg | 1999 |
| Harald Jorkjend Invest Elverum AS | Hamar | 2007 |
| Harald Jorkjend Invest Tynset AS | Hamar | 2007 |
| Harald Klepsvik Invest AS | Bakkasund | 2007 |
| Harald Knutsen AS | Kristiansand S | 1967 |
| Harald Kortnes AS | Lier | 1967 |
| Harald Kværner Eiendom AS | Jessheim | 1970 |
| Harald Lyche Holding AS | Drammen | 2005 |
| Harald Mathisen Holding AS | Oslo | 2005 |
| Harald Miljeteig Utvikling AS | Haugesund | 2005 |
| Harald Moen Invest AS | Fjellstrand | 2018 |
| Harald Nygård Eiendom AS | Silsand | 2015 |
| Harald Og Bjørn Eiendom AS | Halden | 2012 |
| Harald Perskaas AS | Fredrikstad | 2003 |
| Harald S. Eiendom AS | Svolvær | 2014 |
| Harald Stange & Co AS | Oslo | 1922 |
| Harald Torjussen Eiendom AS | Dilling | 2016 |
| Harald Valved AS | Rådal | 2005 |
| Harald Værnes AS | Trondheim | 2002 |
| HARALDB3 AS | Trondheim | 2026 |
| Haralden Holding AS | Oslo | 2016 |
| Haraldini Eiendom AS | Oslo | 2024 |
| Haraldrud Eiendomselskap AS | Oslo | 2007 |
| Haraldrud Utvikling AS | Oslo | 2001 |
| Haraldrudveien 11 AS | Oslo | 2004 |
| Haraldrudveien 18 AS | Oslo | 2013 |
| Haraldrudveien 18 Holding AS | Oslo | 2018 |
| Haraldrudveien 22 AS | Oslo | 2020 |
| Haraldrudveien 31 AS | Oslo | 2011 |
| Haraldrudveien 31 Eiendom AS | Oslo | 2023 |
| Haraldrudveien 35 AS | Oslo | 2016 |
| Haraldrudveien 35 Eiendom AS | Oslo | 2023 |
| Haraldrudveien 40 AS | Oslo | 1971 |
| Haraldrudveien 9 AS | Nesbru | 2001 |
| Haralds Vei 15 AS | Lørenskog | 1989 |
| Haralds Vei 9 AS | Oslo | 2008 |
| Haraldseide Eiendom AS | Skjold | 2012 |
| Haraldseidvågen Eiendom AS | Skjold | 2015 |
| Haraldsen Eiendom AS | Dokka | 1994 |
| Haraldsen Taksering AS | Oslo | 2021 |
| Haraldseth Fjelleiendom AS | Nesbyen | 2017 |
| Haraldsgata 107 AS | Bryne | 2018 |
| Haraldsgata 143 AS | Haugesund | 2017 |
| Haraldsgata 159 AS | Haugesund | 2019 |
| Haraldsgata 74 AS | Haugesund | 2025 |
| Haraldsgata 75 AS | Stord | 2016 |
| Haraldsgata 76 AS | Haugesund | 2025 |
| Haraldsgata Eiendom AS | Haugesund | 2025 |
| Haraldsgate 169 AS | Bergen | 1989 |
| Haraldsgaten 100 AS | Haugesund | 2003 |
| Haraldsgaten 105 AS | Førresfjorden | 2013 |
| Haraldsgaten 118 AS | Haugesund | 2006 |
| Haraldsgaten 121 AS | Haugesund | 2003 |
| Haraldsgaten 138 AS | Karmsund | 2014 |
| Haraldsgaten 140 AS | Haugesund | 1972 |
| Haraldsgaten 168 AS | Haugesund | 1983 |
| Haraldsgaten 170 Ans | Haugesund | 1996 |
| Haraldsgaten 53 AS | Haugesund | 2013 |
| Haraldsgaten 7 AS | Skudeneshavn | 2009 |
| Haraldsgaten Eiendom AS | Haugesund | 2007 |
| Haraldsgaten Forretningsbygg AS | Haugesund | 2001 |
| Haraldsgt 95 AS | Haugesund | 2004 |
| Haraldstad AS | Narvik | 2014 |
| Haraldstad Eiendom AS | Revetal | 1991 |
| Haraldstølvegen SA | Aurdal | 2021 |
| Haraldsvei 12 AS | Oslo | 2004 |
| Haraldsvei 13 AS | Lørenskog | 2023 |
| Haraldsveien 17 AS | Lørenskog | 2018 |
| Haraldvollveien 1 AS | Bardufoss | 2023 |
| Haram Eiendom AS | Oslo | 2017 |
| Haram Invest AS | Ålesund | 2002 |
| Haras Eiendom AS | Sortland | 2004 |
| Haratrøen AS | Hønefoss | 2022 |
| Harbak AS | Revsnes | 2015 |
| Harbak Gruppen AS | Bergen | 2019 |
| Harbak Holding AS | Revsnes | 2022 |
| Harbarn AS | Oslo | 2010 |
| Harbitz Cowork AS | Oslo | 2019 |
| Harbitz Eiendom AS | Oslo | 2017 |
| Harbitz Eiendom II AS | Oslo | 2019 |
| Harbitz Service AS | Oslo | 2019 |
| Harbitz Torg AS | Oslo | 1991 |
| Harbitz Torg Barnehage AS | Oslo | 2016 |
| Harbitz Torg Handel AS | Oslo | 2016 |
| Harbitz Torg Parkering AS | Oslo | 2016 |
| Harbitz Utleiebolig AS | Oslo | 2019 |
| Harbitzalléen 2A Utvikling AS | Oslo | 2015 |
| Harbitzalléen Bolig AS | Oslo | 2014 |
| Harbitzkvartalene Utvikling AS | Oslo | 2025 |
| Harby Eiendom AS | Næroset | 2015 |
| Harby'N AS | Næroset | 2011 |
| Hard Work Invest AS | Oppegård | 1986 |
| Hard-Tech Eiendom AS | Tørvikbygd | 2015 |