| Strandgata 2 AS | Real estate | 1976 |
| Strandgata 9 AS | Real estate | 2021 |
| Strandgata Eigedom AS | Real estate | 2008 |
| Straumane Sport Ørsta AS | Wholesale & retail | 2006 |
| Strikkebutikken AS | Wholesale & retail | 2025 |
| Studio Lenina AS | Education | 2016 |
| Stødt AS | Arts & recreation | 2020 |
| Sunaq AS | Professional & scientific | 2024 |
| Sunaq Holding AS | Wholesale & retail | 2013 |
| Sunnmøre Fasadevask AS | Administrative & support | 2026 |
| Sunnmøre Golfsenter Nuf | Arts & recreation | 2005 |
| Sunnmøre Lagerbygg AS | Real estate | 2023 |
| Sunnmøre Maskin AS | Construction | 1990 |
| Sunnmøre Mountain Guides AS | Administrative & support | 2023 |
| Sunnmøre Outdoor AS | Wholesale & retail | 2023 |
| Sunnmørsguide AS | Administrative & support | 2016 |
| Sustainability Invest AS | | 2020 |
| Svedjan Holding AS | Construction | 2022 |
| Sverre Aambø AS | | 1966 |
| Sø Komp AS | Administrative & support | 2024 |
| T. Lundberg Holding AS | Professional & scientific | 2018 |
| T.E.Pedersen Invest AS | Real estate | 2020 |
| Tandoori Mix AS | Hospitality | 2018 |
| Tannhelselaget AS | Health & social care | 2024 |
| TCB Capital AS | Wholesale & retail | 2023 |
| Techvest AS | | 2019 |
| Telseth HMS AS | Health & social care | 2023 |
| Thai Skreddersydd Mote Ans | Manufacturing | 2009 |
| Thor Nilsen IT AS | Information & communication | 2010 |
| Thor Sand Da | Mining & quarrying | 2020 |
| Tied Da | Wholesale & retail | 2006 |
| Tik Café & Restaurant AS | Hospitality | 2022 |
| Tl-Holding AS | | 2020 |
| Tone Krumsvik Fysioterapi AS | Health & social care | 2026 |
| Tor Torbjørnsen AS | Health & social care | 2015 |
| Torvmyrane 25A AS | Real estate | 2026 |
| Tova Invest AS | Real estate | 2024 |
| Trollhaugen Vassverk SA | Water & waste | 2021 |
| Turbofiber AS | Information & communication | 2016 |
| TVM Holding AS | | 2022 |
| Tyl AS | Professional & scientific | 2024 |
| Vaktmesterservice Ørsta AS | Administrative & support | 2016 |
| Valenius AS | Construction | 1991 |
| Vardane AS | | 2019 |
| Vartdal Eigedom AS | Agriculture & fishing | 1981 |
| Vartdal Halsetun AS | | 2025 |
| Vassenden Samdrift AS | Agriculture & fishing | 2006 |
| Vassendgutane AS | Arts & recreation | 2008 |
| Vatne Dekkservice AS | Wholesale & retail | 2025 |
| Vatne Ikt AS | Information & communication | 2013 |
| Vatnebergvegen SA | Real estate | 2012 |
| Vatnes Auto AS | Wholesale & retail | 2018 |
| Veiberg Holding AS | Wholesale & retail | 2005 |
| Velli AS | Real estate | 1994 |
| Veno Forsikringsmegling AS | Financial services | 1998 |
| Veno Holding AS | | 2005 |
| Veterinærvakta AS | Professional & scientific | 2019 |
| Victaro AS | Information & communication | 2016 |
| Viddal Marine AS | Professional & scientific | 2024 |
| Vikegata 17 AS | Real estate | 1991 |
| Vikegata Eigedom AS | Real estate | 2019 |
| Viks Holding AS | Financial services | 2005 |
| Viks Invest AS | Financial services | 2013 |
| Vili Arca AS | Professional & scientific | 2004 |
| Vinjevoll Rør AS | Construction | 2004 |
| Vital Møbler AS | Wholesale & retail | 1995 |
| Vitalica AS | Wholesale & retail | 2002 |
| Volda Ørsta Taxi AS | Transport & logistics | 2017 |
| Weberg Herrefrisør AS | Other services | 2023 |
| Webjørn Svendsengt 6 Ans | Real estate | 1995 |
| West-Trading AS | Wholesale & retail | 2016 |
| Westres Konditori AS | Wholesale & retail | 1997 |
| Yasvik AS | Other services | 2022 |
| Yktrazyl AS | Information & communication | 2026 |
| Yngve Dale Holding AS | Wholesale & retail | 2005 |
| Zenith Kapital AS | Health & social care | 2008 |
| Zincdesign | Professional & scientific | 2004 |
| Åmdal Bygg AS | Real estate | 2026 |
| Åmdal Maskin AS | Construction | 2006 |
| Åmås Samdrift AS | Agriculture & fishing | 2006 |
| Øb Investering AS | Real estate | 2019 |
| Øb Jernvare AS | Wholesale & retail | 1985 |
| Øb Regnskap AS | Professional & scientific | 2013 |
| Øb Rør AS | Construction | 1985 |
| Ørsta Andelsgard SA | Agriculture & fishing | 2016 |
| Ørsta Antirust AS | Other services | 2023 |
| Ørsta Auto AS | Other services | 2004 |
| Ørsta Autosenter AS | Wholesale & retail | 2008 |
| Ørsta Blomsterforretning AS | Wholesale & retail | 2025 |
| Ørsta Bruk AS | Real estate | 1995 |
| Ørsta Bruk Eigedom AS | Real estate | 1996 |
| Ørsta Bustadutleige AS | Construction | 2007 |
| Ørsta Camping AS | Hospitality | 2008 |
| Ørsta Dame- & Herrefrisør AS | Other services | 2006 |
| Ørsta Fotball AS | Real estate | 2012 |
| Ørsta Fysioterapi AS | Real estate | 2007 |
| Ørsta Hest AS | Arts & recreation | 2019 |
| Ørsta Hårdesign AS | Other services | 1995 |
| Ørsta Invest AS | Health & social care | 2006 |
| Ørsta Landhandel AS | Real estate | 2020 |