| Sikkerhetsagentur AS | Wholesale & retail | 1994 |
| Silliløkken Transport Da | Transport & logistics | 2008 |
| Simad AS | Professional & scientific | 2008 |
| Simen Petter Lostad AS | Wholesale & retail | 1998 |
| Sjarmøren Spiseri Da | Hospitality | 1997 |
| Sjur Haugen AS | | 2015 |
| Skjedalsvegen SA | Real estate | 2021 |
| Skurdal Drift AS | Professional & scientific | 2014 |
| Skåbubaksidevegen SA | Real estate | 1995 |
| Sletten Gulvstøp AS | Construction | 2019 |
| Snøhetta Panorama AS | Real estate | 2021 |
| Snøhetta Regnskap Fron AS | Professional & scientific | 2004 |
| Solertia AS | | 2019 |
| Solhovda Utvikling AS | Real estate | 2021 |
| Solli Gulvstøp AS | Construction | 2015 |
| Soma Eiendom AS | Real estate | 2017 |
| Sorperoa Barnehage AS | Education | 2024 |
| Sorperoa Maskin Lag SA | Administrative & support | 1977 |
| Sorperoa Samdrift Da | Agriculture & fishing | 2000 |
| Sorperoa Utmarkslag SA | Real estate | 2015 |
| Sparebank 1 Gudbrandsdal | Financial services | 1971 |
| Sportdesign AS | Wholesale & retail | 2021 |
| Stakston Og Solbraa AS | Agriculture & fishing | 1995 |
| Stamoen AS | Real estate | 2022 |
| Stenseng AS | Real estate | 2020 |
| Stokkevåg Holding AS | | 2022 |
| Studio Camellon AS | Other services | 2005 |
| Støve Transport Ans | Transport & logistics | 1991 |
| Sulseter Fjellstugu AS | Real estate | 2025 |
| Sulsetra AS | Hospitality | 2024 |
| Svenn Åke Stakston AS | | 2025 |
| Sygardsvegen AS | Real estate | 2020 |
| Sykkelbua Vinstra AS | Administrative & support | 2016 |
| Sæterdal Invest AS | | 2023 |
| Søberg Invest Vinstra AS | Real estate | 1973 |
| Sødorp Boligutvikling AS | Real estate | 2006 |
| Sødorp Gjestgivergård Kro Og Motell AS | Hospitality | 2017 |
| Sødorp Grunneigarlag SA | Real estate | 1952 |
| Sødorp Og Kvam Hestavlslag SA | Agriculture & fishing | 2014 |
| T Bråten Holding AS | Financial services | 2014 |
| Tankrenovasjon AS | Construction | 1997 |
| Tannlege Ragnhild Bø Gaarden AS | Health & social care | 2005 |
| Tannpleier Tone Solbraa AS | Health & social care | 2012 |
| Teknobingo Vinstra AS | Arts & recreation | 2010 |
| Telegrafen Eiendom AS | Real estate | 2014 |
| TGM Vinstra AS | Construction | 2016 |
| Ti Invest AS | Real estate | 2013 |
| Tinde Beito AS | Real estate | 2019 |
| Tinde Eiendomsutvikling AS | Real estate | 1997 |
| Tinde Gruppen AS | Manufacturing | 2019 |
| Tinde Hytter AS | Manufacturing | 2002 |
| Tinde Infra AS | Professional & scientific | 2012 |
| Tinde Prosjekt AS | Real estate | 2016 |
| Tinde Utvikling AS | Real estate | 2025 |
| Tiurlia Eiendomsselskap AS | Real estate | 1997 |
| Tiurlia Utvikling AS | Real estate | 2016 |
| Todal Invest AS | | 2026 |
| Tola Holding AS | | 2019 |
| Torstein Risdal | Wholesale & retail | 1976 |
| Totv AS | | 2012 |
| Transportvegen 36 AS | Real estate | 2017 |
| Transportvegen 61 AS | Real estate | 2022 |
| Treom AS | Manufacturing | 2026 |
| Trobakken AS | | 2018 |
| Tusenfryd AS | Wholesale & retail | 1987 |
| TV Gulvavretting AS | Construction | 2019 |
| Tømmerbygg & Co AS | Wholesale & retail | 2003 |
| Underlig Sky AS | Arts & recreation | 2014 |
| Ut Mot Havet Utvikling AS | Real estate | 2015 |
| Vard Mur Og Flis AS | Construction | 2019 |
| Varde Investeringslaug AS | Financial services | 2022 |
| Varden Panorama AS | Real estate | 2018 |
| Vegas AS | Wholesale & retail | 2021 |
| Vegen Huskeliseter-Vesleseter SA | Agriculture & fishing | 2015 |
| Vena Fritidseiendom AS | Real estate | 1991 |
| Veslehovdavegen SA | Real estate | 2015 |
| Veterinær Ragnhild Anseth AS | | 2022 |
| Veterinærvakta Fron AS | Professional & scientific | 1998 |
| Vevig AS | Energy | 2015 |
| Vikas Eiendom AS | Real estate | 2021 |
| Viking Import Ans | Wholesale & retail | 1989 |
| Vinstra Bil Og Maskin AS | Manufacturing | 2020 |
| Vinstra Bil-Demontering AS | Other services | 1999 |
| Vinstra Bil-Demontering Eiendomsselskap AS | Real estate | 2011 |
| Vinstra Bok Og Papirhandel AS | Wholesale & retail | 1981 |
| Vinstra Booking AS | Arts & recreation | 2017 |
| Vinstra Bruk AS | Manufacturing | 1999 |
| Vinstra Brukt Og Antikk AS | Wholesale & retail | 2022 |
| Vinstra Drosjesentral AS | Transport & logistics | 2020 |
| Vinstra Eiendom Ans | Real estate | 1990 |
| Vinstra Elektro AS | Real estate | 1977 |
| Vinstra Flis Og Naturstein AS | Wholesale & retail | 2011 |
| Vinstra Invest AS | Real estate | 2023 |
| Vinstra Karosseri AS | Other services | 2016 |
| Vinstra Lett-Transport Ans | Transport & logistics | 2003 |
| Vinstra Lift & Miljø Ans | | 1990 |
| Vinstra Motorsportarena AS | Arts & recreation | 2022 |
| Vinstra Sementpuss AS | Construction | 1994 |
| Vinstra Synsenter AS | Wholesale & retail | 2021 |
| Vinstra Tannlegesenter AS | Health & social care | 2015 |