| A T Maskin AS | Construction | 1988 |
| Aasen Bil Og Landbruk AS | Other services | 1992 |
| Andreas Toppen Larsen Invest AS | Wholesale & retail | 2020 |
| Anlegg Og Klimateknikk AS | Wholesale & retail | 2018 |
| Ause AS | Real estate | 2024 |
| Bekkeseth Anlegg AS | Administrative & support | 2024 |
| Bekkeseth Bygg AS | Construction | 2016 |
| Bergerud AS | Wholesale & retail | 2024 |
| Bjørn Larsen Holding AS | Real estate | 2012 |
| BL Auto AS | Wholesale & retail | 2022 |
| Bli AS | Wholesale & retail | 2013 |
| Borgemarka Skogs Og Seterveg SA | Real estate | 1955 |
| BR. Larsen AS | Real estate | 2020 |
| Briskerudvegen SA | Real estate | 2018 |
| BTH Numedal AS | Financial services | 2019 |
| Buskerud Næringshage AS | Professional & scientific | 2003 |
| D Unike AS | Wholesale & retail | 2022 |
| Da Vinci AS | Professional & scientific | 2016 |
| Ditt Apotek Rødberg AS | Wholesale & retail | 2018 |
| Dozerdrift AS | Construction | 1978 |
| Dozerdrift Holding AS | Construction | 2005 |
| El-Butikken Numedal AS | Wholesale & retail | 2001 |
| Elvotek AS | Information & communication | 2026 |
| Eps Investeringsselskap AS | | 2026 |
| Era Eiendomsutvikling AS | Real estate | 2020 |
| Es Motor AS | Other services | 1987 |
| Faghytter Ans | Construction | 1993 |
| FASTWAY1 AS | Information & communication | 2023 |
| Fausko Skog Da | Agriculture & fishing | 1977 |
| Fjellset Drift AS | Administrative & support | 2023 |
| Friis Arkitekter AS | Professional & scientific | 1998 |
| Geilo Mushing AS | Administrative & support | 2025 |
| Gunhild Strøm AS | Real estate | 1990 |
| Halland Kran Og Transport AS | Transport & logistics | 2012 |
| Halland Transport AS | Transport & logistics | 2017 |
| Hallingdal Næringslokaler AS | Real estate | 2018 |
| Hardangervidda AS | Hospitality | 2021 |
| Heggelien Oppmåling AS | Professional & scientific | 2010 |
| Heimtind AS | Real estate | 2022 |
| HS IT & Media AS | Information & communication | 2013 |
| Industri Engasjement AS | Professional & scientific | 1998 |
| International Trading Group AS | Wholesale & retail | 2023 |
| Itg Holding AS | Administrative & support | 2024 |
| Jfbekkeseth Holding AS | | 2024 |
| K. Eriksen Holding AS | | 2025 |
| Knut Kolstad AS | Real estate | 1997 |
| Knut Olav Halland Brøyting Og Graving AS | Construction | 2016 |
| Knut Sigurd Haug AS | Construction | 2023 |
| Landsgård & Aas Transport AS | Transport & logistics | 2022 |
| Lde Invest AS | Administrative & support | 2023 |
| Livrud Holding AS | | 2026 |
| Loftsgård Invest AS | Real estate | 2022 |
| Maks Drift AS | Real estate | 2017 |
| Mamod Invest AS | Transport & logistics | 2002 |
| Mobile Rødberg AS | Wholesale & retail | 1995 |
| Nattens AS | Arts & recreation | 2021 |
| Nore Auto Holding AS | Wholesale & retail | 2005 |
| Nore Laft AS | Construction | 2002 |
| Nore Og Uvdal Næringsselskap SA | Professional & scientific | 2007 |
| Nore Plast AS | Manufacturing | 2010 |
| Nu Eiendom AS | Real estate | 2023 |
| Numedal Bilberging AS | Transport & logistics | 2007 |
| Numedal Eiendom AS | Real estate | 2024 |
| Numedal Graving Og Transport AS | Construction | 2006 |
| Numedal Hus AS | Real estate | 1978 |
| Numedal Installasjon AS | Construction | 1981 |
| Numedal Maskinutleie AS | Construction | 2008 |
| Numedal Servicetjenester AS | Administrative & support | 2023 |
| Numedal Tomteservice AS | Real estate | 2006 |
| Numedalsbanen AS | Administrative & support | 1989 |
| Numerisk IT Nuf | Information & communication | 2012 |
| Nørsterud Holding AS | | 2023 |
| PS Autotrading AS | Wholesale & retail | 2022 |
| QF Technologies AS | Professional & scientific | 2012 |
| Remme & Sletmoen Entertainment Service Da | Professional & scientific | 2004 |
| Rudi - Vannkraft AS | Manufacturing | 2024 |
| Rudisvingen Eiendom AS | Real estate | 2017 |
| Rudithune AS | | 2026 |
| Rød-Knudsen Holding AS | | 2023 |
| Rødberg Bensin Og Service Ans | Wholesale & retail | 1987 |
| Rødberg Eiendom AS | Real estate | 1989 |
| Rødberg Hotell AS | Financial services | 1986 |
| Rødberg Hotell Og Restaurantdrift AS | Hospitality | 2025 |
| Rødberg Hotelldrift AS | Hospitality | 2015 |
| Rødberg Kino Da | Information & communication | 2019 |
| Rødberg Kro Ans | | 1990 |
| Rødberg Matsenter AS | Wholesale & retail | 2006 |
| Rødberg Matsenter Holding AS | | 2025 |
| Rødberg Sidhu AS | Hospitality | 2024 |
| Rødberg Tredesign AS | Manufacturing | 1995 |
| Rødberg Veiservice AS | Wholesale & retail | 1992 |
| Sentrum 43 AS | Real estate | 2019 |
| Skarpnor AS | Wholesale & retail | 2019 |
| Skjønne Næringslokaler AS | Real estate | 2011 |
| Skredgrunn AS | Professional & scientific | 2026 |
| Slåttelihaugveien Setervei SA | Real estate | 2005 |
| Solvangbygget AS | Real estate | 2025 |
| Til-Invest AS | | 2024 |
| Toppen Bil AS | Wholesale & retail | 1989 |
| Tor Heggelien AS | Construction | 1997 |