| Aco Invest Ans | Administrative & support | 1989 |
| Alpinparken Utvikling AS | Real estate | 1996 |
| Arnfinn Kroken AS | Real estate | 1989 |
| Arnstein Og Geir Elektro AS | Wholesale & retail | 1990 |
| Arve G Flatin AS | | 2005 |
| Bekkeseth AS | Water & waste | 2009 |
| Bjerke Sæter AS | Real estate | 1926 |
| Bjerkeflåta Fjellhandel AS | Wholesale & retail | 2023 |
| Bjønnebekk Utvikling AS | Real estate | 2015 |
| Bjønno AS | Real estate | 2018 |
| Blåved AS | Wholesale & retail | 2023 |
| Boligutvikling I Uvdal AS | Real estate | 2024 |
| Brandefant Triathlon Race AS | Arts & recreation | 2023 |
| Bruse Gårdsmeieri AS | Manufacturing | 2007 |
| Brøstrud Holding AS | | 2025 |
| Camp Uvdal AS | | 2026 |
| Crossover Events Ans | Arts & recreation | 1999 |
| Dagali Action Park AS | Arts & recreation | 2010 |
| Dagalifjell Eiendom AS | | 2006 |
| Einar Ro AS | Financial services | 2005 |
| Epic Events AS | Education | 2008 |
| Equita Kurs- Og Treningssenter Da | Agriculture & fishing | 2005 |
| Ever Graveservice AS | Construction | 1998 |
| Fas Utbygging AS | Real estate | 2004 |
| Fest 1 AS | Wholesale & retail | 2010 |
| Fjell-Laft AS | Construction | 2004 |
| Fjellhandelen Ans | Wholesale & retail | 1982 |
| Fjellservice Uvdal AS | Administrative & support | 2014 |
| Fjellsnaret Drift AS | Real estate | 2021 |
| Fjelltomter AS | Arts & recreation | 2019 |
| Godfarfoss Kraft AS | Energy | 2007 |
| Grøtterud AS | | 2026 |
| Grøtterud Tømmertransport AS | Transport & logistics | 2020 |
| Guton AS | Agriculture & fishing | 2021 |
| Haugan Entreprenør AS | Construction | 2021 |
| Heinseter AS | Hospitality | 2015 |
| Heis 1206 AS | Manufacturing | 2021 |
| HN Byggservice AS | Construction | 2020 |
| Høghovda Beitelag SA | Agriculture & fishing | 2025 |
| Høk Eiendom AS | Real estate | 2009 |
| Ing. Bendik Førrisdahl AS | Professional & scientific | 2001 |
| Inspiron AS | Education | 2013 |
| Inuvdal Holding AS | Administrative & support | 2022 |
| Inuvdal Hytteservice AS | Administrative & support | 2021 |
| Jonas Ro AS | | 2026 |
| Kirkebygda Produkter Da | Wholesale & retail | 2002 |
| Kvalitetshytter AS | Construction | 2021 |
| Kveta Eiendom AS | Real estate | 2021 |
| Kveta Utvikling AS | Real estate | 2022 |
| Landskraft AS | Financial services | 2008 |
| Lars Bergan AS | Financial services | 2005 |
| Ljotegard Sag Og Laft AS | Construction | 2026 |
| Lågaros Fiskelag Da | Agriculture & fishing | 2020 |
| Løvheim Eiendom AS | Real estate | 2004 |
| Løvheim Invest AS | | 2026 |
| Løvstuen Drift AS | Construction | 2021 |
| Løvstuen Holding AS | | 2023 |
| Miljøringen SA | Arts & recreation | 2009 |
| Mårlund Grustak AS | Mining & quarrying | 2025 |
| Naturlaft AS | Real estate | 2004 |
| Nedre Flaata AS | Real estate | 2007 |
| Nordic Imex Nuf | Wholesale & retail | 2006 |
| Nore Og Uvdal Næringspark AS | Real estate | 1997 |
| Norsk Industriservice AS | Manufacturing | 2024 |
| Numedal Eiendomsutvikling AS | Real estate | 2005 |
| Numedal Fjellsprengning AS | Construction | 2023 |
| Numedal Pukk & Steinproduksjon AS | Mining & quarrying | 2005 |
| Numedal Rør AS | Construction | 2004 |
| Nørstebø AS | Construction | 2011 |
| Nørstebø Eiendom AS | Real estate | 2000 |
| O Nørstebø & Sønn Ans | Real estate | 1991 |
| O Nørstebø & Sønn AS | Construction | 1996 |
| O Nørstebø & Sønn Eiendom AS | Real estate | 2002 |
| Oddvar Svendsen AS | Construction | 2009 |
| Opdal Renkompani Da | Arts & recreation | 1890 |
| Otj Holding AS | Professional & scientific | 2003 |
| Pedersen Invest AS | Construction | 2005 |
| Prestegården Eiendom AS | Real estate | 2017 |
| Rano Holding AS | | 2025 |
| Rano Invest AS | Construction | 2025 |
| Rauhelleren AS | Hospitality | 2004 |
| Rokne Holding AS | | 2026 |
| Sandeveien 105 AS | | 2005 |
| Solheimstulen AS | Hospitality | 2022 |
| Solhøgde Eiendom AS | Real estate | 2011 |
| Solhøgde Holding AS | Real estate | 2018 |
| Spikketrå Skog AS | Agriculture & fishing | 2013 |
| Stein Løvstuen AS | Construction | 2020 |
| Stein Vikan Holding AS | | 2026 |
| Steinrosa Da | Arts & recreation | 2021 |
| Søre Brandsgard AS | Hospitality | 2025 |
| Toj Eiendom AS | Real estate | 2022 |
| Toj Utleie AS | Real estate | 2023 |
| Toppen 1209 AS | Real estate | 2021 |
| Toppen 1209 Holding AS | Real estate | 2021 |
| Torsetlia Hardangervidda Turistsenter Ans | Hospitality | 1991 |
| Trolltjernstulen Utvikling AS | Real estate | 2016 |
| Tunhovd Eiendomsutvikling AS | Real estate | 2009 |
| Tøddøl Utvikling AS | Real estate | 2017 |
| Tømrermester Simensen AS | Construction | 2011 |