| Aasnes Gard AS | Hospitality | 2024 |
| Agino AS | Professional & scientific | 2021 |
| Aljos Holding AS | Real estate | 2003 |
| Aspøya Da | Agriculture & fishing | 2003 |
| Bjørg Gård Da | Agriculture & fishing | 2025 |
| Bjørns Burger Namdalseid AS | Hospitality | 2025 |
| Brattlia Biogass AS | Administrative & support | 2020 |
| Buvarp Eiendom AS | Real estate | 2012 |
| Bønder I Byen Trøndelag SA | Wholesale & retail | 2019 |
| Ddi Tjenester AS | Professional & scientific | 2025 |
| Eld Samdrift Da | Agriculture & fishing | 2024 |
| Femkløveren Maskinlag SA | Agriculture & fishing | 1999 |
| Fjordtilfjord Ans | Information & communication | 2018 |
| Furudal Beitelag SA | Agriculture & fishing | 1995 |
| Getagripp AS | Administrative & support | 2025 |
| Gryta Vasslag SA | Water & waste | 1985 |
| Guljfesk Eiendom AS | Real estate | 2026 |
| Guljfesk Invest AS | Construction | 2021 |
| Gullhaugen Sport AS | Wholesale & retail | 2012 |
| Hammarbrygga Fisk AS | Agriculture & fishing | 2020 |
| Helbostad Samdrift Da | Agriculture & fishing | 2009 |
| Held Invest AS | | 2015 |
| Hjemmefrisør 1 AS | Other services | 2020 |
| HK Agri AS | Agriculture & fishing | 2025 |
| Hundseth Mølle AS | Manufacturing | 1993 |
| Jamtsve/Hanemo Samdrift Da | Agriculture & fishing | 2004 |
| Jeb Invest AS | Administrative & support | 2007 |
| Kaldalmoen Bygg Og Trevare AS | Wholesale & retail | 2026 |
| Korsen Landbruksverksted AS | Manufacturing | 2019 |
| Lauvsnesvegen 11 AS | Real estate | 2020 |
| Lensmannsgården AS | Hospitality | 2020 |
| LKT Holding AS | Information & communication | 2022 |
| Lyngen Fjordhotell AS | Hospitality | 2018 |
| Lyngen Fjordhotell Drift AS | Hospitality | 2015 |
| Lynvingen Elektro AS | Construction | 2002 |
| Løsmarka 61 AS | Real estate | 2021 |
| M-A Skog AS | Agriculture & fishing | 2019 |
| Mega Landbruk SA | Wholesale & retail | 2017 |
| Naeid AS | Education | 2021 |
| Namdal Plast AS | Manufacturing | 2018 |
| Namdalseid Elveeierlag SA | Real estate | 1989 |
| Namdalseid Fysio- Og Helsetjenester AS | Health & social care | 2012 |
| Namdalseid Landbrukservice Da | Agriculture & fishing | 2005 |
| Namdalseid Maskin Og Service Da | Construction | 2010 |
| Namdalseid Og Osen Beitelag SA | Agriculture & fishing | 1974 |
| Namdalseid Og Osen Sauavlslag | Agriculture & fishing | 1995 |
| Namdalseid Regnskap AS | Professional & scientific | 1996 |
| Namdalseid Skogservice AS | Agriculture & fishing | 1990 |
| Norway Supply AS | Professional & scientific | 2019 |
| Odd Magne Lie Transport AS | Transport & logistics | 2015 |
| Olektro AS | Construction | 2021 |
| Orient Food AS | Wholesale & retail | 2022 |
| Randis Gård AS | Health & social care | 2013 |
| Receipts AS | Information & communication | 2022 |
| S-D Bygg AS | Construction | 2018 |
| Sela Invest AS | Real estate | 2014 |
| Sjøåsen Tre AS | Construction | 2012 |
| Solhaug Grendehus SA | Real estate | 1973 |
| Storåsen Eiendomsselskap AS | Real estate | 2018 |
| Verbo AS | Real estate | 1996 |
| XRT Invest AS | Information & communication | 2022 |
| Øverbygda Eiendom AS | Real estate | 2009 |
| Øverbygda Maskinlag SA | Agriculture & fishing | 1996 |