| Hardanger Malermester AS | Construction | 2019 |
| Hardanger Services AS | Administrative & support | 2015 |
| Hardanger Trebåtfestival SA | Arts & recreation | 1998 |
| Hardanger Trefelling AS | Agriculture & fishing | 2024 |
| Hardanger Trening AS | Arts & recreation | 2010 |
| Hardanger Velvære AS | Other services | 2021 |
| Hardangerfjord Adventure AS | Transport & logistics | 2018 |
| Hardangerfjord Media AS | Information & communication | 2015 |
| Hardangerfjordvegen 48 AS | Real estate | 2024 |
| Hardangermeny SA | Administrative & support | 2011 |
| Harding AS | Manufacturing | 2012 |
| Harding Eigedom AS | Manufacturing | 2014 |
| Hardingsaumen AS | Wholesale & retail | 1990 |
| Haringnett AS | Energy | 2019 |
| Hegrehaugen AS | | 2006 |
| Helge Neteland AS | Real estate | 2017 |
| Henrik Maskin AS | Real estate | 2023 |
| Henrik Steine AS | Construction | 1990 |
| Herand Invest AS | Manufacturing | 2004 |
| Hjartnes Holding AS | Real estate | 2020 |
| Holt / Gjøen AS | Construction | 2021 |
| Homlagarden AS | Manufacturing | 2024 |
| Homlagarden Bruk AS | Real estate | 2024 |
| Homlagarden Invest AS | Manufacturing | 2024 |
| Hordaland Folkeblad AS | Information & communication | 2005 |
| Hordaland Service AS | Other services | 2007 |
| Hovden Energi AS | Construction | 1997 |
| HT Hird AS | Administrative & support | 2020 |
| Hugskot AS | Professional & scientific | 2019 |
| Hva AS | Construction | 2015 |
| Håkon Sandven AS | Real estate | 2005 |
| Håkon Valland AS | Wholesale & retail | 2001 |
| Høgenæs & Steine AS | Real estate | 1958 |
| Iversen LL | Wholesale & retail | 1978 |
| JA2 Invest AS | | 2024 |
| Jan Mo AS | Transport & logistics | 1986 |
| Jarle Tveiten AS | Administrative & support | 1992 |
| Jarle Tveiten Transport AS | Transport & logistics | 2016 |
| Johan Skeie AS | Water & waste | 2016 |
| Johansen Gulv & Flis AS | Construction | 2025 |
| Kaffimat AS | Hospitality | 2012 |
| Kaldenuten AS | Information & communication | 1978 |
| Kaldestad Drift AS | Real estate | 2019 |
| Kaldestad Naustet AS | Real estate | 2012 |
| Kamari AS | Professional & scientific | 1996 |
| Kik Drift AS | Wholesale & retail | 2019 |
| Kjosås Eiendom AS | Real estate | 1983 |
| KKC Drift AS | Hospitality | 2015 |
| KMT Eigendom Og Utleige AS | Real estate | 2022 |
| Kojala Invest AS | Real estate | 2022 |
| Ksvv AS | Construction | 2025 |
| KV Teknikk AS | Construction | 2004 |
| Kvam Auto AS | Other services | 2004 |
| Kvam Bil Og Eigedom AS | Other services | 2004 |
| Kvam Byggevarer AS | Wholesale & retail | 2010 |
| Kvam Energi AS | Energy | 2019 |
| Kvam Kraftverk AS | Energy | 1997 |
| Kvam Maskin Og Transport AS | Construction | 2019 |
| Kvam Maskin Og Transport Holding AS | Construction | 2020 |
| Kvam Rek Holding AS | | 2025 |
| Kvam Rekneskapskontor AS | Professional & scientific | 1987 |
| Kvam Trafikkskule AS | Education | 2017 |
| Kvam Utvikling AS | Real estate | 2008 |
| Kvammalesten Ans | Arts & recreation | 2002 |
| Kvamnet AS | Information & communication | 2004 |
| Kvamnet Eigedom AS | Real estate | 2000 |
| Kvamnet Holding AS | Administrative & support | 1970 |
| Kvamskogen Afterski AS | Hospitality | 2023 |
| Kvamskogen Hytteservice AS | Arts & recreation | 1988 |
| Kvamskogen Landhandleri AS | Wholesale & retail | 2016 |
| Kvamskogen Tomteservice AS | | 2018 |
| KVS Eiendom AS | Real estate | 2026 |
| Kvs-Holding AS | | 2026 |
| Kvs.As AS | Construction | 2026 |
| Kåre Neteland Holding AS | Construction | 2016 |
| La Fiesta Na AS | Hospitality | 2016 |
| Leiglandnjaa Holding AS | Financial services | 2011 |
| Lid Jarnindustri AS | Manufacturing | 1974 |
| Lingalaks Akvasenter AS | Arts & recreation | 2007 |
| Lingalaks AS | Agriculture & fishing | 1991 |
| Lingalaks Gruppen AS | Agriculture & fishing | 2023 |
| Lingalaks Service AS | Agriculture & fishing | 2021 |
| Lokalen AS | Wholesale & retail | 2020 |
| Longelimyrane Vasslag SA | Water & waste | 1994 |
| Løkjen AS | Construction | 1991 |
| Løyning Maskinservice AS | Manufacturing | 2023 |
| Makabyte AS | Professional & scientific | 2021 |
| Manilva AS | Financial services | 2013 |
| Mar Adentro AS | Real estate | 2009 |
| Marte Linga - Sko Og Saum AS | Manufacturing | 2023 |
| Mateva AS | Real estate | 2021 |
| Michel Green Energy Consulting AS | Professional & scientific | 2017 |
| Mikjelsgarden Eigedom AS | Real estate | 2007 |
| Miljø Og Havbruk AS | Agriculture & fishing | 2015 |
| MMS Invest AS | Real estate | 2010 |
| Mo Auto Holding AS | Wholesale & retail | 1992 |
| Mo Grunneigar- Og Skogsbilveglag SA | Real estate | 2024 |
| Mo Sport AS | Wholesale & retail | 2002 |
| Mo Sport Eiendom AS | Wholesale & retail | 1967 |
| Moflaten AS | Real estate | 2015 |