| Mast Montasje AS | Construction | 2020 |
| Maurtua BHG AS | Education | 2013 |
| Me-Dyva Hydrofond AS | | 2023 |
| Miljøstyring AS | Transport & logistics | 2012 |
| Mitro Da | Wholesale & retail | 2002 |
| MK Bygg Og Eiendomsservice AS | Construction | 2022 |
| Moen Entreprenør AS | Construction | 2024 |
| Moj-Invest AS | | 2022 |
| MX Sport Malvik AS | Wholesale & retail | 2010 |
| Myran Snekkeri AS | Construction | 2010 |
| Myst Invest AS | | 2020 |
| Norn Studio AS | Information & communication | 2017 |
| Norwegian Aerospace AS | | 2013 |
| O Invest AS | | 2025 |
| OHV50A AS | Real estate | 2024 |
| Oskar' S Bud AS | Transport & logistics | 2016 |
| Overvik Invest AS | | 2016 |
| P.T. Aftret AS | Construction | 2010 |
| Pebb AS | | 2020 |
| Per Arne Johnsen Holding AS | Professional & scientific | 2009 |
| Perin AS | Mining & quarrying | 2020 |
| Pick Up AS | Transport & logistics | 2025 |
| Pob AS | Real estate | 2005 |
| Polarfisk Nuf | Manufacturing | 2003 |
| RG Skogtjenester AS | Administrative & support | 2008 |
| Rockmann AS | Wholesale & retail | 2008 |
| Rockmann Eiendom AS | Real estate | 2017 |
| Rockmann Energy AS | Wholesale & retail | 2018 |
| Rockmann Rental AS | Administrative & support | 2020 |
| Rockmann Sport AS | Wholesale & retail | 2023 |
| Romy Holding AS | | 2005 |
| Ruud Erik Holding AS | | 2023 |
| Rønsåsbjørg Holding AS | | 2026 |
| SAPPA2 AS | Professional & scientific | 2022 |
| Scandinavian Aerospace AS | Professional & scientific | 2020 |
| SHD Holding AS | | 2023 |
| Siteinsight AS | Professional & scientific | 2021 |
| Sitro Holding AS | | 2024 |
| Skotnes Invest AS | | 2020 |
| SN Multiservice AS | Administrative & support | 2021 |
| Somethingold AS | Wholesale & retail | 2024 |
| Sorte Grendahus Ba | Real estate | 2007 |
| Sportsakademiet AS | Education | 2017 |
| Stavrum AS | Construction | 2015 |
| Steig Og Svendsen Da | Transport & logistics | 2000 |
| Stjørdal Auto AS | Wholesale & retail | 2021 |
| Stjørdal Betongservice AS | Construction | 2021 |
| Stjørdal Hundepensjonat Nuf | Agriculture & fishing | 2006 |
| Stjørdal Produsentlag SA | Agriculture & fishing | 1998 |
| Storbil Og Deler AS | Wholesale & retail | 2022 |
| Strætesfjell Grunneierlag SA | Real estate | 1962 |
| STT AS | Professional & scientific | 2017 |
| Stuberg Og Rødde Samdrift Da | Agriculture & fishing | 2007 |
| Sveberg Garasje AS | Real estate | 2021 |
| Svein Wognild AS | Financial services | 2005 |
| Svensson Bil Og Holding AS | Wholesale & retail | 1993 |
| Swiftfuse AS | Arts & recreation | 2025 |
| Sætnan Holding AS | | 2023 |
| TG Multiservice AS | Administrative & support | 2024 |
| TG Service AS | Education | 2024 |
| Thyholt Holding AS | Construction | 2005 |
| Tipro AS | Professional & scientific | 2026 |
| Tomter AS | Real estate | 2016 |
| Tore Eiendom AS | Real estate | 2017 |
| Tunheim AS | Financial services | 2013 |
| Turbotiden AS | Wholesale & retail | 2026 |
| Tutro Eiendom AS | Real estate | 2017 |
| Tylar Korrosjonsservice AS | Construction | 2002 |
| Uthus Consulting AS | Professional & scientific | 2020 |
| Valten Eiendom AS | Real estate | 2017 |
| Vang Da | Administrative & support | 2010 |
| Vang Kapital AS | | 2024 |
| Varnestre SA | Wholesale & retail | 2008 |
| Veglo AS | Water & waste | 1990 |
| Veglo Eiendom AS | Real estate | 2022 |
| Veglo Holding AS | Water & waste | 2005 |
| Velva Invest AS | | 2022 |
| Vilvang Bygg AS | Construction | 2017 |
| Vrm-Bemanning AS | Administrative & support | 2026 |
| Værnes Maxitaxi AS | Transport & logistics | 2021 |
| Værnes Smartbo AS | Real estate | 2025 |
| Woldseth Holding AS | | 2025 |
| Yngve Hognes Holding AS | | 2024 |
| Æ E Trønder AS | Administrative & support | 2026 |
| Øiaas Holding AS | | 2020 |
| Øyvegen 12 AS | Real estate | 2021 |