| Halsetsvea Eiendom 2 AS | Oslo | 2012 |
| Halsetsvea Eiendom 3 AS | Oslo | 2017 |
| Halsetsvea Eiendom AS | Oslo | 2011 |
| Halsetsvea Holding AS | Oslo | 2017 |
| Halslihaugen Eiendom AS | Frei | 2022 |
| Halsne Holding AS | Kvitsøy | 2012 |
| Halsnøy Brygge AS | Sæbøvik | 2007 |
| Halsnøy Industribase AS | Høylandsbygd | 2016 |
| Halsnøy Kulturhus SA | Sæbøvik | 1981 |
| Halsnøy Prosjektutvikling AS | Halsnøy Kloster | 2012 |
| Halsskjermoveien Skogsvegfor | Storsteinnes | 1995 |
| Halstar AS | Fagernes | 2005 |
| Halsteindal Veglag SA | Hjelmås | 2021 |
| Halstensen AS | Oslo | 2007 |
| Halstensen Eiendomsselskap AS | Bekkjarvik | 1965 |
| Halstensens Eiendomsselskap AS | Molde | 1985 |
| Halstoppen AS | Lysaker | 2018 |
| Halsåsen 12 AS | Drøbak | 2021 |
| Halsør Eiendom AS | Raudeberg | 2009 |
| Halt AS | Leknes | 2023 |
| Haltbakk Eiendom AS | Bergen | 2015 |
| Haltbakk Invest AS | Bergen | 2001 |
| Haltbakk Megacharge AS | Bergen | 2025 |
| Haltbakktanktransport AS | Bergen | 2025 |
| Haltdalen Eiendomsselskap AS | Haltdalen | 2013 |
| Haltdalen Kurs- Og Øvingssenter AS | Haltdalen | 2010 |
| Haltdalen Næringspark AS | Haltdalen | 2015 |
| Halten Eiendom Ans | Kristiansund N | 2001 |
| Haltvika Eiendomsutvikling AS | Kolvereid | 2014 |
| Haltvolden Holding AS | Hasselvika | 2012 |
| Halu AS | Stavanger | 2013 |
| Halund AS | Bergen | 2021 |
| Halusa AS | Narvik | 2024 |
| Halv Holding AS | Klæbu | 2023 |
| Halvard Jørgensen AS | Havøysund | 1994 |
| Halvarpåsen AS | Skien | 2020 |
| Halvdan Cleves Vei 2 AS | Skollenborg | 2021 |
| Halvdan Svartes Gate 11B AS | Oslo | 2021 |
| Halvdan Svartes Gate 46 AS | Oslo | 2021 |
| Halvdan Svartesgt. 24 AS | Sandefjord | 2024 |
| Halvdan Wilhelmsemsallé 23 AS | Tønsberg | 2006 |
| Halvdans Gate 5 AS | Harstad | 2014 |
| Halve Holding AS | Tvedestrand | 2022 |
| Halvfjordingen AS | Odda | 2021 |
| Halvfjordingen Eiendom AS | Kopervik | 2016 |
| Halvi Eiendom AS | Stavanger | 2014 |
| Halvi Holding AS | Klepp Stasjon | 2007 |
| Halvmett AS | Rælingen | 2012 |
| Halvor AS | Strømmen | 2005 |
| Halvor Eiendom AS | Strømmen | 2013 |
| Halvor Hansen Eigedom AS | Sandane | 1996 |
| Halvorsen & Bruun Da | Skudeneshavn | 2004 |
| Halvorsen & Hveding Holding AS | Fagerstrand | 2017 |
| Halvorsen & Larsen Eiendom AS | Slependen | 1987 |
| Halvorsen Eiendom AS | Åmot | 1997 |
| Halvorsen Eiendom AS | Skien | 1998 |
| Halvorsen Eiendomsselskap AS | Bønes | 1990 |
| Halvorsen Eigedom AS | Åmli | 2007 |
| Halvorsen Holding AS | Gullaug | 1992 |
| Halvorsen Karlsborg AS | Sarpsborg | 1983 |
| Halvorsen Property AS | Stavanger | 2024 |
| Halvorsen Takst AS | Krøderen | 2013 |
| Halvorsens Bygg Og Eiendom AS | Nesøya | 2005 |
| Halvorshavn Eiendom AS | Spydeberg | 2012 |
| Halvorsli Eiendom AS | Porsgrunn | 2018 |
| Halvorsrud's Invest Ans | Vestmarka | 2004 |
| Halvstorm AS | Horten | 2018 |
| Halvtekkja AS | Bergen | 2022 |
| Halw AS | Drammen | 2017 |
| Halw Tromsø AS | Kvaløysletta | 2002 |
| Halwa AS | Grimstad | 1975 |
| Ham Invest AS | Oslo | 2005 |
| Hama AS | Lillestrøm | 1997 |
| Hama Invest AS | Oslo | 2010 |
| Hamac AS | Bremnes | 2026 |
| Hamang AS | Sandvika | 2018 |
| Hamang Eiendom AS | Sandvika | 2006 |
| Hamang Invest AS | Vøyenenga | 2012 |
| Hamang Kontorsenter AS | Sandvika | 2019 |
| Hamang Næringssenter AS | Sandvika | 2016 |
| Hamang Terrasse 55 AS | Oslo | 1997 |
| Hamang Terrasse 61 AS | Sandvika | 1998 |
| Hamang Tomtebank AS | Sandvika | 2013 |
| Hamang Utvikling AS | Oslo | 2022 |
| Hamangskogen 10 AS | Oslo | 2020 |
| Hamar Boliginvest AS | Hamar | 2014 |
| Hamar Boligutleie AS | Ridabu | 2017 |
| Hamar Byggtakst AS | Hamar | 2012 |
| Hamar Eiendom AS | Hamar | 2019 |
| Hamar Eiendomsmegling AS | Hamar | 2016 |
| Hamar Industribygg 1 AS | Stange | 2020 |
| Hamar Industribygg AS | Hamar | 2013 |
| Hamar Logistikkinvest AS | Oslo | 2018 |
| Hamar Minilager AS | Hamar | 2010 |
| Hamar Næringspark Nord 1 AS | Furnes | 2020 |
| Hamar Næringspark Nord 11 AS | Furnes | 2021 |
| Hamar Næringspark Nord 12 AS | Furnes | 2023 |
| Hamar Næringspark Nord 13 AS | Furnes | 2024 |
| Hamar Næringspark Nord 14 AS | Furnes | 2024 |
| Hamar Næringspark Nord 15 AS | Furnes | 2024 |