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| Heimstad Bygg AS | Tverrelvdalen | 2012 |
| Heimsted AS | Maura | 2026 |
| Heimto Eiendom AS | Olsvik | 2011 |
| Hein Aasen Ingeniør Og Rørleggerbedrift AS | Nesodden | 1991 |
| Heineberg Rør AS | Asker | 2018 |
| Heinen & Hopman Engineering | 3750 Ga Spakenburg | 2013 |
| Heinen GmbH & Co. KG | De-26349 Jade | 2019 |
| Heinrich Tapp GmbH | De-45476 Mülheim | 2020 |
| Heinz Bender GmbH & Co. KG Nuf | De-83451 Piding | 2025 |
| Heinz Jürgen Ridder Elektroinstallation | Oslo | 2014 |
| Heinz Will GmbH & Co.Kg | Oslo | 2016 |
| Heirun AS | Søgne | 2020 |
| Heis Partner AS | Os | 2023 |
| Heis-Gruppen AS | Bosberg | 2020 |
| Heis-Trade AS | Bjørøyhamn | 2013 |
| Heisbeskytteren AS | Sandefjord | 2021 |
| Heisdeler AS | Strusshamn | 2021 |
| Heisel Bygg AS | Vennesla | 2013 |
| Heiseldal Rør & Varme AS | Iveland | 1988 |
| Heisentreprenøren AS | Oslo | 2019 |
| Heiskompaniet AS | Trollåsen | 2015 |
| Heisplan AS | Ålesund | 2021 |
| Heisriving AS | Flaktveit | 2025 |
| Heisselskapet Løft AS | Oslo | 2021 |
| Heistad Helsehus AS | Porsgrunn | 2019 |
| Heistad Maskin Og Transport AS | Snåsa | 2024 |
| Heitmann Holding AS | Alta | 2008 |
| Heitmann Maskin AS | Alta | 2000 |
| Heiå Maskin Da | Varhaug | 2009 |
| Hejs. DK | Dk-2650 Hvidovre | 2023 |
| Heju Invest AS | Tjøme | 2009 |
| Heka Bygg AS | Gratangen | 2017 |
| Heka Bygg Eiendom AS | Gratangen | 2018 |
| Hekla Bygg AS | Høvik | 2012 |
| Hekland Portservice AS | Lonevåg | 2026 |
| Hekotek Norge AS | Oslo | 2019 |
| Heksagon AS | Sande I Vestfold | 1997 |
| Hekåe Veglag SA | Veggli | 2010 |
| Hel Bolig AS | Tønsberg | 2018 |
| Hel Ved Bygg AS | Røros | 2021 |
| Hel-Nord AS | Lommedalen | 2026 |
| Helado AS | Heradsbygd | 2023 |
| Helander Anlegg AS | Bjørnevatn | 2009 |
| Helander Malerservice AS | Stryn | 2024 |
| Helberg Bygg Og Maling AS | Skien | 2011 |
| Helbygg AS | Trondheim | 2018 |
| Heldal Entreprenør AS | Lillesand | 1996 |
| Heldal Holding AS | Straumsgrend | 2020 |
| Heldal Invest AS | Bergen | 2005 |
| Heldal Tjenester AS | Froland | 2025 |
| Heldalgruppen AS | Lillesand | 2005 |
| Helders Malerforretning AS | Skien | 2014 |
| Hele Byggservice AS | Oslo | 2019 |
| Hele Ruter AS | Bergen | 2005 |
| Helemets Pro AS | Andenes | 2018 |
| Helero AS | Helgeroa | 2007 |
| Helero Maskin AS | Helgeroa | 2025 |
| Helganesvegen AS | Avaldsnes | 2012 |
| Helge & Terjes Gulvlegging Ans | Fredrikstad | 2000 |
| Helge Aasen AS | Skien | 2015 |
| Helge Bergo AS | Oslo | 1997 |
| Helge Bordvik AS | Strusshamn | 2007 |
| Helge Frøiland AS | Drammen | 1985 |
| Helge Gunnar Luraas AS | Tinn Austbygd | 2005 |
| Helge Haugen AS | Kristiansand S | 2024 |
| Helge Henriksen & Sønn Maskinutleie Ans | Bønes | 1990 |
| Helge Karlsen AS | Oslo | 1992 |
| Helge Klyve Invest AS | Kongsvinger | 2023 |
| Helge Korbu AS | Kongsberg | 2010 |
| Helge Kyllingstad AS | Kleppe | 2025 |
| Helge Ljøsne AS | Sande I Vestfold | 2000 |
| Helge Nikolaisen AS | Voss | 1987 |
| Helge Og Johan Brasøy Ans | Gjerstad | 1991 |
| Helge Og Lars Erik Torsgård Ans | Lesja | 1996 |
| Helge Rød AS | Valestrandsfossen | 2002 |
| Helge Skrindo-Tveito AS | Ål | 2022 |
| Helge Stumberg AS | Halden | 2005 |
| Helge Sæterstøl Invest AS | Nyborg | 2005 |
| Helge Torjussen AS | Stavanger | 2005 |
| Helge Vestheim AS | Næroset | 2021 |
| Helge Øen AS | Sogndal | 2019 |
| Helgeby Anlegg AS | Hafslundsøy | 2024 |
| Helgeland Blikk AS | Brønnøysund | 2026 |
| Helgeland Boligpartner AS | Sandnessjøen | 2009 |
| Helgeland Brønn Og Energiborring AS | Leirfjord | 2022 |
| Helgeland Bygg AS | Brønnøysund | 2002 |
| Helgeland Byggeservice AS | Mosjøen | 2016 |
| Helgeland Eiendomsservice AS | Sandnessjøen | 1997 |
| Helgeland Entreprenør AS | Mo I Rana | 2025 |
| Helgeland Fjellsprenging AS | Trofors | 2014 |
| Helgeland Lås AS | Mo I Rana | 2024 |
| Helgeland Malerservice AS | Brønnøysund | 2008 |
| Helgeland Massetransport AS | Bjerka | 2015 |
| Helgeland Multiservice AS | Bjerka | 2017 |
| Helgeland Snekker Service AS | Mo I Rana | 2021 |
| Helgeland Trefiberisolering AS | Mosjøen | 2019 |
| Helgeland Ventilasjonsrens AS | Brønnøysund | 2019 |
| Helgemo Rørteknikk AS | Trondheim | 1997 |
| Helgemo VVS AS | Tiller | 1980 |