| La Finans AS | Construction | 2005 |
| Labbetuss Barnehage SA | Education | 1987 |
| Landbrukstjenester I Sør-Trøndelag SA | Agriculture & fishing | 1995 |
| Lernes Fiskeindustri AS | Manufacturing | 1996 |
| Lernes Holding AS | Hospitality | 2005 |
| Lernes Holding II AS | Real estate | 2011 |
| Lernesdalen Skogsveilag SA | Real estate | 2019 |
| Lervik AS | Wholesale & retail | 1987 |
| Lervik-Eiendom AS | Real estate | 2024 |
| Les Glacons AS | Wholesale & retail | 2021 |
| Lian Eiendom AS | Real estate | 1987 |
| Lian Skogsdrift AS | Agriculture & fishing | 2014 |
| Lian Vinduer AS | Manufacturing | 1990 |
| Liangården Eiendom AS | Real estate | 2025 |
| Liangården Holding AS | Real estate | 2025 |
| Lice Eiendom AS | Real estate | 2020 |
| Lice Holding AS | Real estate | 2013 |
| Lidal Eiendom AS | Wholesale & retail | 1993 |
| Lidal Invest AS | Wholesale & retail | 2005 |
| LL Transport AS | Transport & logistics | 2024 |
| Lomundal Holding AS | Transport & logistics | 1993 |
| Lomundal Transport AS | Transport & logistics | 1989 |
| Lund Bakeri Og Conditori AS | Manufacturing | 2004 |
| Maaneskinn Da | Arts & recreation | 2010 |
| Mageo Holding AS | | 2025 |
| Mashan Holding AS | | 2025 |
| Mathias Hybertsen AS | Wholesale & retail | 2021 |
| Meierigården Hemne AS | Real estate | 2002 |
| Melk-Rampen AS | Wholesale & retail | 2013 |
| Mellomveien 14 AS | Real estate | 2011 |
| Merkesnes Naust AS | Real estate | 2022 |
| Midtnorsk Naturundersøkelse AS | Professional & scientific | 2019 |
| Moltubakk AS | Professional & scientific | 2023 |
| Nedre Vesse AS | Real estate | 2017 |
| Nentra AS | Professional & scientific | 2015 |
| Nonstoppen AS | Financial services | 1992 |
| Norbjo Holding AS | | 2026 |
| Nordre GT 13 AS | Wholesale & retail | 1998 |
| Nuno Invest AS | Real estate | 2010 |
| Odd Elin Holding AS | | 2019 |
| Ohren Bygg AS | Construction | 2025 |
| Ope Holding AS | Financial services | 2010 |
| Pabb AS | | 2025 |
| R J Holding AS | Financial services | 2005 |
| Restaurant Kyrksæterøra AS | Hospitality | 2019 |
| Rosenborgsgt. 1-3 AS | Real estate | 2013 |
| Rostimo Eiendom AS | Real estate | 2013 |
| Røde Rappen AS | Professional & scientific | 2024 |
| Røstvold Utleie AS | Administrative & support | 2021 |
| Saga Eiendom AS | Real estate | 1990 |
| Sagatun Hemne AS | Real estate | 2005 |
| Sensibilia AS | Health & social care | 2017 |
| Sersjantstua AS | Construction | 2010 |
| Simtek Ans | Construction | 2008 |
| Snekvik Eiendom AS | Real estate | 2007 |
| So-Lo Holding AS | Financial services | 2008 |
| Sodvin AS | Information & communication | 2001 |
| Sodvin Holding AS | Energy | 1951 |
| Sport 1 Ove Aunli AS | Wholesale & retail | 2018 |
| Sports-Invest AS | Real estate | 2006 |
| Stasjonsdrift Hovsbakken AS | Wholesale & retail | 2019 |
| Storoddan Holding AS | | 2025 |
| Stranda Bolig AS | Real estate | 2020 |
| Stranda Bygg Anlegg AS | Real estate | 2025 |
| Stranda Eiendom Og Utleie AS | Real estate | 2013 |
| Stranda Mekaniske AS | Other services | 2013 |
| Strømmen Maskin AS | Construction | 2002 |
| Summing AS | Information & communication | 2026 |
| Søa Eiendom AS | Real estate | 2001 |
| Søa Handelssenter AS | Real estate | 2007 |
| Søa Holding AS | Real estate | 2020 |
| Søa Utvikling AS | Real estate | 1998 |
| Sørli Arkitekter AS | Professional & scientific | 1987 |
| Sørli Eiendom AS | Professional & scientific | 2010 |
| Søstuggu Holding AS | | 2022 |
| Søvesten Media AS | Information & communication | 1999 |
| Taftø Anleggs Service AS | Manufacturing | 2025 |
| Taftø Eiendom AS | Real estate | 2022 |
| Taftø Maskin AS | Construction | 2012 |
| Tannlegene Øyasæter Og Mjønes AS | Health & social care | 1998 |
| Te-Lo Holding AS | | 2022 |
| Telehuset Eiendom AS | Real estate | 2013 |
| TLS Holding AS | | 2019 |
| TMC Eiendom AS | Real estate | 2009 |
| Trøndelag Eiendomsmegling AS | | 2025 |
| Trøndelag Regnskap AS | Professional & scientific | 2019 |
| Trøndelag Økonomi AS | Professional & scientific | 2023 |
| TS Nyheim Holding AS | | 2022 |
| Ulstadløkkveien 12 AS | Real estate | 2011 |
| V8 Ventures AS | Construction | 2022 |
| Vidar Andersen AS | Professional & scientific | 2024 |
| Vinje Brukthandel Da | Wholesale & retail | 1999 |
| Vinje Energihub AS | Professional & scientific | 2025 |
| Vinje Næringspark AS | Real estate | 2024 |
| Vinjeøra Vekst AS | Real estate | 2001 |
| Vitsømarka/Dalum Utmarkslag SA | Agriculture & fishing | 2026 |
| Vitsøsæter Skogsveglag SA | Real estate | 1967 |
| Vitsøsætra Renseanlegg AS | Water & waste | 2014 |
| Waade Information System AS | Information & communication | 1997 |
| Wacker Chemicals Norway AS | Manufacturing | 2010 |