| Hafjell Maskin AS | Construction | 2003 |
| Hafjell Nasjonalanlegg AS | Arts & recreation | 2015 |
| Hafjell Pizza AS | Hospitality | 2020 |
| Hafjell Pizza Drive Ans | Hospitality | 1996 |
| Hafjell Plus AS | Hospitality | 2001 |
| Hafjell Rampa AS | Construction | 2014 |
| Hafjell Renhold AS | Administrative & support | 2017 |
| Hafjell Resort AS | Administrative & support | 2017 |
| Hafjell Servicenter AS | Wholesale & retail | 1992 |
| Hafjell Ski Resort AS | Hospitality | 2022 |
| Hafjell Skiskole AS | Education | 2015 |
| Hafjell Skiutleie AS | Administrative & support | 2025 |
| Hafjell Skiutleie Drift AS | Administrative & support | 2017 |
| Hafjell Skiutleie Holding AS | | 2025 |
| Hafjell Slakteri AS | Manufacturing | 2020 |
| Hafjell Sport AS | Wholesale & retail | 2007 |
| Hafjell Syd AS | Real estate | 2021 |
| Hafjell Tourist AS | Hospitality | 1998 |
| Hafjell Utleie AS | Real estate | 2002 |
| Hafjell Vaktmesterkompani AS | Administrative & support | 2016 |
| Hafjell Vaktservice AS | Administrative & support | 2013 |
| Hafjell Veiservice AS | Wholesale & retail | 2003 |
| Hafjell Vekst AS | Real estate | 2007 |
| Hamo Eiendom Og Utvikling AS | Professional & scientific | 2022 |
| Harris Invest AS | | 2019 |
| Haugaløkken Samdrift Da | Agriculture & fishing | 2006 |
| Haugsgruva Eiendom AS | Real estate | 2024 |
| Heb Holding AS | Real estate | 2020 |
| Hegge Holding AS | Wholesale & retail | 2010 |
| Heimat Hytter AS | Construction | 2019 |
| Hernes Oljesenter AS | Wholesale & retail | 2001 |
| HN Maskin AS | Agriculture & fishing | 2019 |
| Hunder Invest AS | | 2024 |
| Hunderseter/Nysetervegen SA | Real estate | 1995 |
| Hus Og Hytteservice AS | Construction | 2012 |
| Hygge Eiendom Da | Real estate | 2019 |
| Hyttehygge Da | Wholesale & retail | 2015 |
| Hytteservice Og Installasjon AS | Construction | 2012 |
| Hågån AS | Mining & quarrying | 2005 |
| Høgende AS | Real estate | 2007 |
| Høvren Mekaniske AS | Manufacturing | 2025 |
| Høydeblikk AS | Information & communication | 2024 |
| Ida Halvorsen Dagligvare AS | Wholesale & retail | 2018 |
| Ihle Bygg AS | Construction | 2013 |
| Ihle Eiendom AS | | 2001 |
| Inspiremo AS | Administrative & support | 2015 |
| Island Hestesenter Ans | Arts & recreation | 1995 |
| Ja Anleggsdrift AS | Construction | 2014 |
| Ja Entreprenør AS | Construction | 2014 |
| Ja Utleie AS | Administrative & support | 2021 |
| Jaages AS | Real estate | 2018 |
| Jab AS | Real estate | 2016 |
| Jctg Bygg Og Maling AS | Construction | 2026 |
| Jctg Eiendom AS | Real estate | 2026 |
| Jctg Holding AS | | 2026 |
| Jo Austberg | Agriculture & fishing | 2013 |
| Jo-To Renhold Og Skadedyr Service AS | Administrative & support | 2001 |
| K. Olsen Global Tax AS | Professional & scientific | 2021 |
| K.Bjørgen Holding AS | | 2026 |
| Kampen Eiendom AS | Real estate | 2001 |
| Kava Holding AS | | 2024 |
| Killi AS | Financial services | 2005 |
| Kindlistuen & Dahl AS | Transport & logistics | 2009 |
| Kjell Nylund AS | Construction | 1994 |
| Kjoslia Arena Skeikampen AS | Real estate | 2019 |
| Kokken Tor AS | Hospitality | 2020 |
| Komorebi Studio AS | Information & communication | 2022 |
| Kongsvegen 320 Eiendom AS | Real estate | 2017 |
| Krets Holding AS | | 2019 |
| Kringelåslia AS | Real estate | 2004 |
| Krækaliua AS | Financial services | 2015 |
| LB Skog AS | Agriculture & fishing | 2022 |
| Leve Hytter AS | Construction | 2012 |
| Leve Leiligheter AS | Real estate | 2021 |
| Lie Hornsjøveien SA | Real estate | 1931 |
| Liesmorka Utmarkslag SA | Real estate | 1989 |
| Liftit AS | Information & communication | 2014 |
| Lilla Cafe Og Vinbar AS | Hospitality | 2025 |
| Lillefang AS | Wholesale & retail | 2021 |
| Lillehammer Booking Da | Administrative & support | 2006 |
| Lillehammer Camping AS | Hospitality | 1993 |
| Lillehammer Eiendomsutvikling Da | Real estate | 2008 |
| Lillehammer Ski Resorts SA | Other services | 2010 |
| Lillemoen AS | Real estate | 1988 |
| Lilleputthammer Lekeland AS | Arts & recreation | 2006 |
| Lisætra AS | Hospitality | 2010 |
| Lodgen Drift AS | Hospitality | 2020 |
| Lunke Eiendom AS | Professional & scientific | 2012 |
| Lågen Fiskeelv Sone 2 SA | Arts & recreation | 1969 |
| Lågen Transport AS | Transport & logistics | 2013 |
| Martin Skanke AS | | 2026 |
| Mat & Drikke Fra Innlandet SA | Other services | 2024 |
| Mat Fra Øyerfjellet SA | Wholesale & retail | 2016 |
| Media Advisors AS | Professional & scientific | 2005 |
| Midtbygda Jaktforvaltning SA | Arts & recreation | 1921 |
| Miljøkran AS | Transport & logistics | 2022 |
| Mira Bygg AS | Construction | 2016 |
| Mo Eie AS | Administrative & support | 2026 |
| Mortens Skogservice AS | Agriculture & fishing | 2024 |
| Mosetertoppen AS | Real estate | 2019 |