| A-R Helgemo Eiendom AS | Real estate | 2023 |
| A-R Helgemo Holding AS | Construction | 2016 |
| A-R Helgemo VVS AS | Construction | 2023 |
| Abs Shooting AS | Wholesale & retail | 2007 |
| Almås Beitelag SA | Agriculture & fishing | 2020 |
| Almås Bomveier SA | Real estate | 2020 |
| Almås Elveeierlag Da | Arts & recreation | 2006 |
| Almås Maskin AS | Construction | 1989 |
| Aunmo AS | Construction | 2013 |
| Brødrene Børø AS | Construction | 2022 |
| Cari Drift AS | Agriculture & fishing | 2014 |
| Cari Eiendom AS | Agriculture & fishing | 2014 |
| Celica AS | Professional & scientific | 2000 |
| Coretam AS | Professional & scientific | 2016 |
| DG Maskin AS | Administrative & support | 2016 |
| Digre Transport AS | Transport & logistics | 1994 |
| Elpe AS | Financial services | 2005 |
| Foalfollow AS | Information & communication | 2026 |
| Forbygda Maskinlag SA | Agriculture & fishing | 2025 |
| Fordalen Vestre Utmarkslag SA | Real estate | 1986 |
| Fordalsveien A/L | Real estate | 1995 |
| Forseth Beitelag Da | Agriculture & fishing | 2015 |
| Forsetmo Vassverk SA | Water & waste | 1984 |
| Gaula Øst Beitelag SA | Agriculture & fishing | 2016 |
| Gauldal Antirust AS | Other services | 2021 |
| Granbygda Løypelag SA | Arts & recreation | 2022 |
| Groppfeldt AS | Real estate | 2015 |
| Groppfeldt Eiendom AS | Real estate | 2019 |
| Hendalsveien SA | Real estate | 2019 |
| Herjåa Kraft AS | Energy | 2010 |
| HHR Landbruk AS | Agriculture & fishing | 2020 |
| HHR Skogbruk AS | Agriculture & fishing | 2025 |
| Hmhelmersen Holding AS | | 2025 |
| Hogna Veri AS | Professional & scientific | 2008 |
| Hognabrygg AS | Manufacturing | 2015 |
| Hognahytta AS | Real estate | 2019 |
| Huus Bil AS | Wholesale & retail | 1978 |
| Iib AS | Construction | 2022 |
| Intakt Bilskade Gauldalen AS | Other services | 2018 |
| Kanari Og Kaffe Eiendom AS | Real estate | 2019 |
| Kirkhus Anlegg Og Montasje AS | Construction | 2024 |
| Kjellan Rør AS | Construction | 2025 |
| Kotsøy Næringsbygg AS | Real estate | 2016 |
| Kvikk Kompetanse AS | Information & communication | 2025 |
| Liveco AS | Arts & recreation | 2019 |
| Lillerønning Snekkerifabrikk AS | Manufacturing | 1976 |
| Løvrød Samdrift Da | Agriculture & fishing | 2009 |
| Malum Bygg AS | Construction | 2001 |
| Malum Bygg Eiendom AS | Real estate | 2015 |
| Norco AS | Wholesale & retail | 2025 |
| Nordic Design Crew AS | Professional & scientific | 2019 |
| Nøkksjøen Jaktlag SA | Agriculture & fishing | 2023 |
| Nøkksjøen Jaktvald SA | Real estate | 1974 |
| Optimal Bilpleie AS | Other services | 2015 |
| P I Winsnes AS | Financial services | 2018 |
| RDD Auto AS | Transport & logistics | 2021 |
| Reiten Transport AS | Transport & logistics | 2007 |
| Samsjøveien Singsås SA | Real estate | 2017 |
| Singsås Drift AS | Administrative & support | 2022 |
| Singsås Kro & Pub AS | Hospitality | 2021 |
| Singsås Kro AS | Hospitality | 2025 |
| Singsås Næringspark AS | Real estate | 2010 |
| Singsås Skurlag Da | Manufacturing | 2017 |
| Singsås Vassverk SA | Water & waste | 1985 |
| Singsås Vestre Beitelag SA | Agriculture & fishing | 2018 |
| Skogsbilveglaget Aunmo-Tilderås-Skråberga SA | Real estate | 1983 |
| Stacked AS | Wholesale & retail | 2025 |
| Stasjonsparken Eiendom AS | Real estate | 2017 |
| Tedi Da | Other services | 2016 |
| Toru AS | Financial services | 2005 |
| Troøien Transport AS | Transport & logistics | 2015 |
| Tyrikjøkken AS | Manufacturing | 1993 |
| Veien Høen - Forodden SA | Real estate | 1959 |
| Vinsnesbakk Elektro AS | Construction | 2004 |
| Winsnes Gård Da | Agriculture & fishing | 2020 |
| Winsnesvollveien SA | Real estate | 2023 |
| Åge Winsnes AS | Real estate | 2018 |