| Kongs Kina AS | Hospitality | 2015 |
| Kongsberg Advokatkontor AS | Professional & scientific | 1997 |
| Kongsberg Anlegg AS | Construction | 2023 |
| Kongsberg Autolakk AS | Other services | 2011 |
| Kongsberg Automotive AS | Manufacturing | 1997 |
| Kongsberg Automotive ASA | Manufacturing | 1987 |
| Kongsberg Automotive Holding 2 AS | | 2007 |
| Kongsberg Autoservice AS | Other services | 2024 |
| Kongsberg Baker'N AS | Manufacturing | 2021 |
| Kongsberg Beauty Industry AS | Wholesale & retail | 2016 |
| Kongsberg Belegningsstein AS | Construction | 2006 |
| Kongsberg Betongsaging AS | Construction | 2005 |
| Kongsberg Bil & MC AS | Wholesale & retail | 2018 |
| Kongsberg Bilberging AS | Transport & logistics | 2007 |
| Kongsberg Bilpleiesenter AS | Other services | 2014 |
| Kongsberg Bilskade AS | Other services | 2002 |
| Kongsberg Bilutleie AS | Administrative & support | 2011 |
| Kongsberg Blomster Og Hage AS | Wholesale & retail | 2020 |
| Kongsberg Booking AS | Hospitality | 2008 |
| Kongsberg Brannsikring AS | Wholesale & retail | 1996 |
| Kongsberg City AS | | 2026 |
| Kongsberg Defence & Aerospace AS | Manufacturing | 1997 |
| Kongsberg Defence Systems AS | Manufacturing | 1995 |
| Kongsberg Dyreklinikk AS | Professional & scientific | 2006 |
| Kongsberg E-Lon AS | Professional & scientific | 2001 |
| Kongsberg Eiendom Holding AS | Real estate | 2015 |
| Kongsberg Eiendomsselskap Holding AS | Construction | 2014 |
| Kongsberg Emballasje AS | Manufacturing | 2012 |
| Kongsberg Energi Stasjon AS | Wholesale & retail | 2024 |
| Kongsberg Energiselskap AS | Energy | 1991 |
| Kongsberg Energy Systems AS | Professional & scientific | 2021 |
| Kongsberg Ferdigbetong AS | Manufacturing | 1978 |
| Kongsberg Ferrotech AS | Manufacturing | 2014 |
| Kongsberg Film AS | Information & communication | 2023 |
| Kongsberg Fotklinikk AS | Other services | 2016 |
| Kongsberg Fotterapi AS | Health & social care | 2021 |
| Kongsberg Fysioterapi AS | Health & social care | 2014 |
| Kongsberg Galaxy Pizza AS | Hospitality | 2013 |
| Kongsberg Gass AS | Wholesale & retail | 2007 |
| Kongsberg Glasservice AS | Construction | 2026 |
| Kongsberg Gruppen ASA | Manufacturing | 1987 |
| Kongsberg Hudpleie AS | Other services | 2013 |
| Kongsberg Husmaling AS | Construction | 2020 |
| Kongsberg Innovasjon AS | Professional & scientific | 2002 |
| Kongsberg Innovasjon Management AS | | 2021 |
| Kongsberg Innovasjon Management II AS | Financial services | 2024 |
| Kongsberg Interiør AS | Wholesale & retail | 1986 |
| Kongsberg Kjøkkensenter AS | Wholesale & retail | 2000 |
| Kongsberg Klokker Og Smykker AS | Wholesale & retail | 2014 |
| Kongsberg Klyngen AS | Professional & scientific | 1999 |
| Kongsberg Langtidsleie AS | Administrative & support | 2015 |
| Kongsberg Maling Og Vedlikehold AS | Construction | 2007 |
| Kongsberg Management AS | Arts & recreation | 2015 |
| Kongsberg Maritime AS | Manufacturing | 1998 |
| Kongsberg Maritime ASA | | 2025 |
| Kongsberg Mat AS | Wholesale & retail | 2009 |
| Kongsberg Mesterhus SA | Administrative & support | 1969 |
| Kongsberg Montessori Barnehage SA | Education | 2003 |
| Kongsberg Multipurpose Valves AS | Professional & scientific | 2010 |
| Kongsberg Næring Og Turist Utvikling AS | Real estate | 2006 |
| Kongsberg Næringsbygg 11 AS | Real estate | 2014 |
| Kongsberg Næringsbygg 15 AS | Real estate | 2020 |
| Kongsberg Næringsbygg 16 AS | Real estate | 2022 |
| Kongsberg Næringsbygg 17 AS | Real estate | 2014 |
| Kongsberg Næringsbygg 18 AS | Real estate | 2025 |
| Kongsberg Næringsbygg 19 AS | Real estate | 2026 |
| Kongsberg Næringsbygg 2 AS | Real estate | 2006 |
| Kongsberg Næringsbygg 20 AS | Real estate | 2026 |
| Kongsberg Næringsbygg 5 AS | Real estate | 2007 |
| Kongsberg Næringseiendom AS | Manufacturing | 1968 |
| Kongsberg Næringsforum SA | Other services | 1990 |
| Kongsberg Næringspark AS | | 2019 |
| Kongsberg Næringsparkutvikling AS | Real estate | 2005 |
| Kongsberg Næringssenter AS | Real estate | 2008 |
| Kongsberg Og Omegn Eiendomsforvaltning AS | Real estate | 1989 |
| Kongsberg Oppussing AS | Manufacturing | 2019 |
| Kongsberg Parfymeri AS | Wholesale & retail | 2007 |
| Kongsberg Pe AS | Financial services | 2012 |
| Kongsberg Pre-Såkorn Fond 1 AS | | 2021 |
| Kongsberg Pre-Såkorn Fond 2 AS | Financial services | 2024 |
| Kongsberg Precision Cutting Systems AS | Professional & scientific | 1988 |
| Kongsberg Prosjektservice AS | Professional & scientific | 2011 |
| Kongsberg Prosjektservice Produkter AS | Information & communication | 2016 |
| Kongsberg Regnskapstjenester AS | Professional & scientific | 2011 |
| Kongsberg Samlesentral II AS | Manufacturing | 2021 |
| Kongsberg Sandforretning AS | Construction | 1988 |
| Kongsberg Skisenter AS | Arts & recreation | 1965 |
| Kongsberg Small Arms AS | Manufacturing | 1986 |
| Kongsberg Software AS | Wholesale & retail | 2022 |
| Kongsberg Solskjerming AS | Wholesale & retail | 2025 |
| Kongsberg Space AS | Information & communication | 1995 |
| Kongsberg Sportsutvikling AS | Education | 2018 |
| Kongsberg Subs AS | Transport & logistics | 2024 |
| Kongsberg Sy & Rep AS | Manufacturing | 2022 |
| Kongsberg Tannlegesenter AS | Health & social care | 2009 |
| Kongsberg Tannregulering AS | Health & social care | 2015 |
| Kongsberg Taxi AS | Transport & logistics | 2007 |
| Kongsberg Technology Invest AS | Manufacturing | 2016 |
| Kongsberg Technology Training Centre AS | Education | 2008 |
| Kongsberg Teknologipark AS | Real estate | 1987 |