| Bjøra Invest AS | Wholesale & retail | 2005 |
| Bjørken Holding AS | | 2024 |
| Blåbygget AS | Real estate | 2012 |
| Boardshop.No AS | Wholesale & retail | 2008 |
| Bobilagenten AS | Wholesale & retail | 2008 |
| Boheme Europe AS | Wholesale & retail | 1983 |
| Bomøbler Eiendom AS | Real estate | 1980 |
| Bomøbler Eiendom Holding AS | Real estate | 2016 |
| Braa Og Sørvåg Bygg AS | Construction | 1991 |
| Braa Og Sørvåg Eiendom AS | Real estate | 2001 |
| Bransfjell Invest AS | Financial services | 2005 |
| Breines AS | | 2019 |
| Brisin Consult Da | Information & communication | 2002 |
| Bruktbilisten AS | Wholesale & retail | 2023 |
| Brukthengeren.No AS | Wholesale & retail | 2014 |
| Bryo AS | Real estate | 2009 |
| Brødrene Brå AS | Manufacturing | 2008 |
| Brødrene Ler AS | Wholesale & retail | 1998 |
| Brøsetveien 175 AS | Real estate | 2007 |
| BTS Næringsbygg AS | Real estate | 2025 |
| BUA75 Invest AS | Financial services | 2014 |
| Bunnpris Tonstad AS | Wholesale & retail | 1980 |
| Butikkdrift Salem AS | Wholesale & retail | 2025 |
| Buvik Systemservice AS | Wholesale & retail | 1997 |
| Byggem AS | Construction | 2023 |
| Bygger AS | Construction | 2015 |
| Byggfester AS | Wholesale & retail | 1999 |
| Byggmester Garnvik AS | Real estate | 2019 |
| Byggmester Hofstad AS | Construction | 2008 |
| Byggtakst Trøndelag AS | Real estate | 2018 |
| Byåsen Bakeri Og Konditori AS | Manufacturing | 2006 |
| Bærelækkert AS | Wholesale & retail | 2024 |
| Bøckmans Veg 110 AS | Real estate | 2023 |
| Børsvend AS | Real estate | 2012 |
| Cageball Norge AS | Real estate | 2008 |
| Caisma Eiendom AS | Real estate | 2019 |
| Camisa AS | Manufacturing | 1996 |
| Captar AS | Real estate | 2009 |
| Car Craft AS | Other services | 2013 |
| Car Trading AS | Wholesale & retail | 2019 |
| Ceramic Powder Technology AS | Manufacturing | 2007 |
| Cgo Holding AS | | 2025 |
| Chatpilot AS | Professional & scientific | 2016 |
| Christian Brevik Holding AS | Financial services | 2016 |
| Christian Brødreskift Prosjekt- Og Byggeledelse AS | Professional & scientific | 1995 |
| City Frisør AS | Other services | 1987 |
| Cityhaven AS | Hospitality | 1990 |
| Co-Trans AS | Transport & logistics | 2021 |
| Colorado Malerservice AS | Construction | 2017 |
| Concord Capital AS | Administrative & support | 2025 |
| CS Art AS | Arts & recreation | 2020 |
| CT Gourmet AS | Hospitality | 2018 |
| Cta Consulting AS | Professional & scientific | 2012 |
| Cura Consulting AS | Professional & scientific | 2025 |
| Cutrin Norge Partner AS | Wholesale & retail | 1984 |
| Cyperus AS | Wholesale & retail | 1990 |
| Dags Holding AS | Real estate | 2005 |
| Dahle Blikk AS | Construction | 1996 |
| Dahlhaug AS | Professional & scientific | 2023 |
| DD DD AS | Health & social care | 2013 |
| De-Nor AS | Professional & scientific | 1985 |
| Delarius AS | | 2020 |
| Designdata AS | Wholesale & retail | 2015 |
| Diagnosebutikken AS | Wholesale & retail | 2017 |
| Digi Publishing AS | Information & communication | 2011 |
| Digisafe AS | Information & communication | 2020 |
| Digital Innovation AS | Information & communication | 2004 |
| Digital Repro AS | Professional & scientific | 2008 |
| Digitalkonsult AS | Information & communication | 2012 |
| Digiwelldata AS | Information & communication | 2022 |
| Dive in AS | Other services | 2018 |
| Doffen AS | Real estate | 1994 |
| Doffen Eiendom AS | Real estate | 1996 |
| Doktorno AS | Health & social care | 2014 |
| Don Bemanning AS | Administrative & support | 2018 |
| Doofensnitz AS | | 2025 |
| DR Syk Holding AS | | 2024 |
| Driftkonsult AS | Professional & scientific | 2023 |
| Dronningensgt 1A AS | Real estate | 2016 |
| E Johnsen Dagligvare AS | Wholesale & retail | 2025 |
| E.B.O. Holding AS | Financial services | 2005 |
| Easy at Work AS | Information & communication | 2012 |
| Eav Eiendom AS | Real estate | 2021 |
| Effektus AS | Information & communication | 2013 |
| Eid Kapital AS | | 2023 |
| Eija Holding AS | Health & social care | 2014 |
| Eitrix AS | Information & communication | 2020 |
| Elgeseter Billakkering AS | Other services | 2023 |
| Ellingsen Kaffebrenneri AS | Manufacturing | 2018 |
| Elstad Lund Eiendom AS | Real estate | 2022 |
| Elstad Lund Holding AS | Real estate | 2011 |
| Elteknikk Trondheim AS | Construction | 2013 |
| Elv Holding AS | | 2023 |
| Em Farge Og Interiør AS | Wholesale & retail | 2020 |
| Emballasjegrossisten AS | Wholesale & retail | 2024 |
| Emmelines Kafe AS | Hospitality | 2015 |
| Energitransport AS | Transport & logistics | 2008 |
| Erje Invest AS | | 2015 |
| Ermalu Holding AS | | 2026 |
| Ernestus Profil Og Gave AS | Wholesale & retail | 1994 |