| 3DE Arkitektur & Design AS | Professional & scientific | 2004 |
| A. Andersen Holding AS | Real estate | 2016 |
| A.R.M Offshore Ltd | Professional & scientific | 2009 |
| A/S Sør-Trøndelag | Information & communication | 1955 |
| Absolutio | Professional & scientific | 2009 |
| Absolutt Bonkers Lyd Da | Arts & recreation | 2016 |
| Accessed & Tested Ltd | Professional & scientific | 2011 |
| Advokatfirmaet Aae AS | Professional & scientific | 2016 |
| Aks Saks AS | Other services | 2012 |
| Aktiv-Kjøkken AS | Construction | 2025 |
| Alba Holding AS | | 2005 |
| Allsidig Design AS | Professional & scientific | 2022 |
| Allsidig Holding AS | Professional & scientific | 2022 |
| Aloco FDV AS | Professional & scientific | 2005 |
| Ambolt Holding AS | | 2023 |
| Ametrine AS | Wholesale & retail | 1997 |
| Amore Orkanger AS | Hospitality | 2018 |
| Anna Holding AS | Financial services | 2017 |
| Aol AS | Professional & scientific | 2019 |
| Arto AS | Real estate | 1993 |
| Audiografen AS | Health & social care | 2013 |
| Auto-Shine Bilpleie AS | Other services | 2020 |
| Babraicio Statyba Nuf | Construction | 2021 |
| Baby Kroken AS | Wholesale & retail | 2025 |
| Bali Hai AS | Professional & scientific | 2012 |
| Be Tex AS | Wholesale & retail | 2014 |
| Bella & Holly Jewelry AS | Wholesale & retail | 2023 |
| Best Kids Orkanger AS | Wholesale & retail | 2009 |
| Betzy Bergs GT 7 AS | Real estate | 2007 |
| Beyond Borders AS | Professional & scientific | 2026 |
| BH Media AS | Professional & scientific | 2014 |
| Bilxtra Orkanger AS | Wholesale & retail | 2009 |
| Biztek AS | Information & communication | 2019 |
| Bjørklund AS | Arts & recreation | 2019 |
| Bjørnbet Drift AS | Agriculture & fishing | 2026 |
| Blue Future Invest AS | Professional & scientific | 2024 |
| Bluzz Da | Arts & recreation | 2015 |
| Blåsmo Gruppen AS | Construction | 2021 |
| Bosystem AS | Real estate | 1991 |
| Brattset Eiendom AS | Real estate | 2006 |
| Britt I By'N AS | Wholesale & retail | 2015 |
| Britt I By'N Bårdshaug AS | Wholesale & retail | 2020 |
| Brødrene Mo AS | Other services | 1922 |
| BSB Garn Og Helse AS | Wholesale & retail | 2008 |
| Bunnpris Orkanger AS | Wholesale & retail | 2004 |
| Burø Helsø Holding AS | | 2025 |
| Byggeledelse Norge Orkdal AS | Professional & scientific | 2009 |
| Byggi AS | Real estate | 2020 |
| Byggmester Erik Helgetun AS | Construction | 2021 |
| Bårdshaug Herregård AS | Hospitality | 1967 |
| Bårdshaug Shell AS | Construction | 1985 |
| Bårdshaug Ur & Gull AS | Wholesale & retail | 2014 |
| Bårdshaug Utvikling AS | Real estate | 2019 |
| Bårdshaug Vest AS | Real estate | 2008 |
| Bårdshaug Øst AS | Real estate | 2014 |
| Caag Eiendom AS | Real estate | 2022 |
| Cafe Corner AS | Hospitality | 1983 |
| Cbto Holding AS | | 2023 |
| Cenitech AS | Construction | 2011 |
| Chairisa AS | Hospitality | 2025 |
| Cillco Services AS | Professional & scientific | 2024 |
| Con-Form Eiendom Orkanger AS | Real estate | 2026 |
| Con-Form Produksjon AS | Manufacturing | 1984 |
| Coop Nordvest SA | Wholesale & retail | 1966 |
| Crosseye AS | Real estate | 2015 |
| Curator AS | Real estate | 2024 |
| Damman Eiendom AS | Real estate | 1989 |
| Damphuset AS | Hospitality | 2021 |
| Demp Bio AS | Professional & scientific | 2025 |
| Din Bilpartner AS | Wholesale & retail | 2021 |
| Din Bolighjelper Ltd Nuf | Professional & scientific | 2025 |
| Disponibel AS | Information & communication | 2024 |
| Dovre Bygg Entreprenør AS | Construction | 2016 |
| Døla Eiendom AS | Real estate | 2002 |
| Dønnem Eiendom AS | Real estate | 2018 |
| Eco Materials AS | Professional & scientific | 2016 |
| Ejg Invest AS | Financial services | 2015 |
| Eken AS | Hospitality | 2023 |
| Ekko Reklame AS | Professional & scientific | 2010 |
| Ekrokstad Holding AS | | 2024 |
| Eliaz L Holding AS | | 2022 |
| Eliza L Holding AS | | 2022 |
| Ellriks Holding AS | | 2005 |
| Elseko AS | Manufacturing | 1993 |
| Elseko Eiendom AS | Real estate | 2007 |
| Emde Invest AS | Financial services | 2010 |
| Endt Holding AS | Real estate | 2016 |
| Engen Dagligvare AS | Wholesale & retail | 2018 |
| Erj Holding AS | Financial services | 2017 |
| Erm Holding AS | | 2026 |
| Evjen Brug Aktiebolag AS | Real estate | 2016 |
| Exigo AS | Information & communication | 2011 |
| Exigo Dominium AS | Real estate | 2026 |
| Exigo Obsido AS | Information & communication | 2001 |
| Fatuhiva AS | Real estate | 2017 |
| Feelgood AS | Wholesale & retail | 2014 |
| Fest Fyrverkeri Norge AS | Wholesale & retail | 2013 |
| Fitnesspoint Orkanger Treningssenter AS | Arts & recreation | 2023 |
| Fix Frisør AS | Other services | 2013 |
| Fjøssystemer Midt Norge AS | Manufacturing | 1988 |