| Helgen AS | Lunde | 2012 |
| Helgen Maskin AS | Ulefoss | 2023 |
| Helgeroa Consulting AS | Helgeroa | 1995 |
| Helges Håndverk Service AS | Bodø | 2018 |
| Helgesen & Løvås Elektro AS | Førresfjorden | 2022 |
| Helgesen Bygg AS | Ski | 2020 |
| Helgesen Bygg Og Eiendom AS | Garnes | 2026 |
| Helgesen Energy AS | Alversund | 2023 |
| Helgesen Maskinentreprenør AS | Søgne | 2005 |
| Helgesen Rør Og Gass AS | Yven | 2015 |
| Helgesen Tekniske Bygg AS | Valestrandsfossen | 2018 |
| Helgestad Byggservice AS | Hobøl | 2017 |
| Helgetun AS | Bergen | 2017 |
| Helgevold AS | Sandeid | 2003 |
| Helgevold Eiendom Invest AS | Sandeid | 2016 |
| Helgevold Gruppen AS | Sandeid | 2016 |
| Helgevold Holding AS | Sandeid | 2010 |
| Helgevold Montasje AS | Drammen | 2019 |
| Helgheim Og Årdal Bygg AS | Skei I Jølster | 2012 |
| Helgheim VVS AS | Hokksund | 2018 |
| Helgro Oü | 68204 Valga | 2014 |
| Helgås AS | Naustdal | 2021 |
| Helicon AS | Øyestranda | 2011 |
| Heliport Invest II AS | Stavanger | 2015 |
| Helistens Vvs-Industri AB | Stavanger | 2002 |
| Heljo AS | Øvre Ervik | 2009 |
| Hell Betong AS | Hell | 2022 |
| Hell-Jump | 41-200 Sosnowiec | 2011 |
| Hellan Montasje AS | Ytre Enebakk | 2018 |
| Helland Drift AS | Son | 2007 |
| Helland & Stensen Ans | Blomsterdalen | 1992 |
| Helland Blikk Og Rehab. AS | Fitjar | 2025 |
| Helland Bygg AS | Kvål | 2012 |
| Helland Bygg Og Maskin AS | Stord | 2022 |
| Helland Byggservice AS | Stord | 2024 |
| Helland Classic Restaurering AS | Onarheim | 2020 |
| Helland Elektro AS | Eikangervåg | 2003 |
| Helland Installasjon AS | Sola | 2023 |
| Helland Malerservice AS | Jørpeland | 2018 |
| Helland Maskin & Transport AS | Straumen | 2024 |
| Helland Rør AS | Tomrefjord | 2004 |
| Hellands Holding AS | Voss | 2018 |
| Hellberg & Bjerkeli AS | Halden | 1983 |
| Helldal AS | Tysnes | 2005 |
| Helle AS | Bremnes | 2015 |
| Helle Holding AS | Bremnes | 2005 |
| Helle Installasjon AS | Lierskogen | 2014 |
| Helle Maskin AS | Barkåker | 2017 |
| Helle Næring AS | Naustdal | 2018 |
| Helle Rør AS | Dale I Sunnfjord | 2022 |
| Hellebekken Bygg AS | Løten | 2026 |
| Helleberg Anlegg AS | Vestre Gausdal | 2012 |
| Helleberg AS | Tjelta | 2023 |
| Hellebo Holding AS | Nittedal | 2022 |
| Hellehusebyg | Dk-4147 Jystrup Midtsj | 2013 |
| Hellenes Allsidige Service AS | Oslo | 2005 |
| Heller Entreprenør AS | Askim | 1982 |
| Heller Holding AS | Askim | 2022 |
| Helleren & Håland AS | Varhaug | 2011 |
| Hellesjø AS | Sørum | 2012 |
| Hellesjø Bygg Entreprenør AS | Hemnes | 2020 |
| Hellestveit & Falkanger Gulv AS | Frekhaug | 2020 |
| Hellesund Bygg AS | Rong | 2019 |
| Hellesylt Bil Og Maskin AS | Hellesylt | 2006 |
| Hellevik Holding AS | Sandnes | 1998 |
| Helling Rør AS | Rasta | 2023 |
| Hellsens Rør Og VVS AS | Voss | 2018 |
| Hellstrøms Maling Og Oppussing AS | Drøbak | 2025 |
| Hellum Maskin AS | Tranby | 2013 |
| Hellvik Gruppen AS | Hellvik | 2019 |
| Hellvik Hus Follo Eiendomsutvikling AS | Jessheim | 2000 |
| Hellvik Hus Gruppen AS | Hellvik | 1954 |
| Hellvik Hus Inderøy AS | Inderøy | 2015 |
| Hellvik Hus Karmøy AS | Veavågen | 1997 |
| Hellvik Hus Region Sør AS | Søgne | 2021 |
| Hellvik Hus Region Sør-Vest AS | Hellvik | 2021 |
| Hellvik Hus Sotra AS | Straume | 1995 |
| Hellvik Hus Sør AS | Søgne | 1986 |
| Hellvik Hus Sør-Vest AS | Hellvik | 1993 |
| Hellvik Hus Øst AS | Jessheim | 2003 |
| Hellvik Maskin AS | Vigrestad | 2017 |
| Hellwig Rør AS | Molde | 2015 |
| Hellås Industriservice AS | Sandvoll | 2004 |
| Hellås Og Handeland Entreprenør AS | Sandvoll | 1998 |
| Hellåslia AS | Kristiansand S | 2008 |
| Helløy Mur Og Flis AS | Tverlandet | 2022 |
| Helmaks Bygg AS | Manstad | 2023 |
| Helmersen VVS Og Varmepumper AS | Levanger | 2011 |
| Helmik AS | Tau | 2017 |
| Helmjy AS | Molde | 2019 |
| Helset Elektro AS | Rud | 2006 |
| Helset Maskin AS | Folkestad | 2020 |
| Helseth Eiendom AS | Bud | 2006 |
| Helsten Bygg AS | Flateby | 2025 |
| Helt Magisk AS | Brumunddal | 2017 |
| Helt Maskin AS | Larvik | 2020 |
| Heltivater Invest AS | Horten | 2022 |
| Heltre Bygg AS | Oslo | 2025 |
| Heltre Holding AS | Hellesylt | 2021 |
| Helvar AB Nuf | Se-116 32 Stockholm | 2025 |