| H-M Gruppen AS | Hemnes | 2025 |
| H-Touch AS | Trondheim | 2007 |
| H.F Mechanic & Trading AS | Haugesund | 2018 |
| H.O Management AS | Florø | 2023 |
| H10 Productions AS | Oslo | 2021 |
| H2OCEAN AS | Averøy | 2017 |
| H3 Gruppen AS | Oslo | 2014 |
| Haak Holding AS | Oslo | 2024 |
| Haakmar AS | Oslo | 2012 |
| Habbarskvammen AS | Flatdal | 2019 |
| Habitat for Fitness AS | Sandnes | 2020 |
| Habnesprellet | Hidrasund | 2013 |
| Hadeland Idrettsfysioterapi Og Treningssenter AS | Brandbu | 2009 |
| Hadler DMC Norway | Dk - 4600 Køge | 2015 |
| Hadsel Hallpark AS | Stokmarknes | 2014 |
| Hadsel Hallpark Drift AS | Stokmarknes | 2017 |
| Hafjell - Kvitfjell Alpin AS | Fåvang | 1995 |
| Hafjell AS | Øyer | 1988 |
| Hafjell Freepark AS | Øyer | 2015 |
| Hafjell Idrett AS | Øyer | 2015 |
| Hafjell Nasjonalanlegg AS | Øyer | 2015 |
| Hafnor/Erichsen SA | Oslo | 2020 |
| Hag Gym AS | Lillestrøm | 2019 |
| Hagan Media LLB AS | Slattum | 2022 |
| Hagefestn AS | Tromsø | 2022 |
| Hagemann Eventer AS | Svelvik | 2025 |
| Hagen Creative AS | Hyggen | 2023 |
| Hagevik Tønnefabrikk Ans | Deknepollen | 2005 |
| Haglebu Skisenter AS | Eggedal | 1973 |
| Haikjeften AS | Narvik | 2019 |
| Hakadal Golfdrift AS | Hakadal | 2004 |
| Hakallegarden AS | Åram | 2005 |
| Haki Sandnessjøen Ans | Sandnessjøen | 2004 |
| Hal Invest AS | Snarøya | 2005 |
| Halden Golf SA | Halden | 1990 |
| Halden Padel AS | Halden | 2020 |
| Halden Roulettdrift Da | Tistedal | 1993 |
| Halden Treningssenter AS | Halden | 2012 |
| Haldencompagniet Da | Halden | 2020 |
| Half Blue Music Da | Blaker | 2023 |
| Halibut Fest AS | Havøysund | 2025 |
| Hall-Hofsø Kommunikasjon Limited Nuf | Harstad | 2007 |
| Hallaien Entertainment AS | Rådal | 2022 |
| Halldrift AS | Slemmestad | 1993 |
| Halleraker Holding AS | Haugesund | 2020 |
| Hallingdal Fjelltjenester Da | Nesbyen | 2010 |
| Hallingdal Lyd AS | Ål | 2026 |
| Hallingdalselva Fiskeforvaltning I Nesbyen SA | Nesbyen | 2020 |
| Hallingskarvet Skisenter AS | Hovet | 1980 |
| Hallo Trysil AS | Trysil | 2008 |
| Hallvard Huse AS | Aukra | 2014 |
| Halseid Kultur AS | Haugesund | 2021 |
| Halsvik Sound AS | Bergen | 2024 |
| Halti Nasjonalparksenter AS | Storslett | 2006 |
| Halva Priset AS | Oslo | 2022 |
| Halve Kongeriket AS | Ålesund | 2020 |
| Halvor Johansson AS | Oslo | 2023 |
| Halvorsen Golf AS | Helgeroa | 2025 |
| Halvorsen Kreativ Formidling AS | Våle | 2026 |
| Halvorsen Tekst AS | Oslo | 2026 |
| Halås Sellevoll Profil Da | Bolsøya | 2010 |
| Hamar Klatre AS | Stabekk | 2026 |
| Hamar Klatrepark AS | Vang På Hedmarken | 1997 |
| Hamar Olympiske Anlegg AS | Hamar | 1990 |
| Hamar Teater AS | Hamar | 2016 |
| Hamar Ølfestival AS | Ottestad | 2011 |
| Hamaren Event AS | Fyresdal | 2019 |
| Hamarøy Sceneteknikk AS | Hamarøy | 2012 |
| Hamed Mayani Productions AS | Oslo | 2011 |
| Hammer Music AS | Harstad | 2023 |
| Hammerfest Arena AS | Hammerfest | 2017 |
| Hammerfest Bowling AS | Rypefjord | 2017 |
| Hammerfest Gokart Da | Rypefjord | 1999 |
| Hammerfest Innendørs Golf AS | Hammerfest | 2014 |
| Hammers Harem Ans | Trondheim | 2007 |
| Hammersland Bok & Musikk AS | Stord | 2017 |
| Hammersound Productions AS | Trondheim | 2020 |
| Hamna Aktivitet Og Helse AS | Nordfjordeid | 2014 |
| Hamnvik Flytebrygge SA | Hamnvik | 1991 |
| Hamnvåg Utmarkslag SA | Meistervik | 1987 |
| Hamrins Maleri Ans | Røros | 1998 |
| Han Gaiden Da | Oslo | 2018 |
| Hanackc Holding AS | Bergen | 2019 |
| Handlingskraft AS | Kristiansand S | 2017 |
| Handsup AS | Bergen | 2019 |
| Handyman Morten Sterri AS | Oslo | 2016 |
| Hankø Marina AS | Gressvik | 2002 |
| Hankø Marina Bryggeplasser AS | Gressvik | 2007 |
| Hanne Rivrud Holding AS | Oslo | 2024 |
| Hannekristinrohde.No AS | Oslo | 2015 |
| Hannevika Invest AS | Kristiansand S | 2022 |
| Hans & Olaf Trening AS | Oslo | 1998 |
| Hans Jørgen Sandnes AS | Sandefjord | 2013 |
| Hans Morten Hansen AS | Tårnåsen | 2012 |
| Hansen/Randow Da | Skien | 2007 |
| Hanstad Invest AS | Elverum | 2021 |
| Hanto Fyrverkeri AS | Norheimsund | 2020 |
| Happy Gorilla Dance Company SA | Bergen | 2012 |
| Happy Holding AS | Oslo | 2024 |
| Happy Yogi AS | Porsgrunn | 2019 |