| Variatiimi Osk | Wholesale & retail | 2003 |
| Varpun Valinta Oy | Wholesale & retail | 2025 |
| Vastnicon Oy | Manufacturing | 2024 |
| Vastuurakenne Oy | Real estate | 2021 |
| Veanla Lux Oy | Wholesale & retail | 2025 |
| VecoPro Oy | Professional & scientific | 2017 |
| Vektor Oy | Financial services | 2016 |
| Velhovisio Digital Oy | Professional & scientific | 2020 |
| Veljekset Kevin Oy | Financial services | 2024 |
| Veljekset Mattila Oy | Manufacturing | 1960 |
| Veljekset Saarinen Oy | Construction | 2000 |
| Verlatek Oy | Professional & scientific | 2016 |
| VeroSatama Oy | Administrative & support | 2025 |
| Vesijohtoliike Ylö-Putki Oy | Construction | 1980 |
| Vesivahinkotekniikka VVT Oy | Professional & scientific | 1985 |
| Viitasaaren Tilipalvelu Oy | Professional & scientific | 1974 |
| Viking Lab Oy | Manufacturing | 2014 |
| Vilerak Oy | Construction | 2022 |
| Vilju Oy | Hospitality | 2024 |
| Villakanto Oy | Other services | 2019 |
| Vilmaattinen Oy | Arts & recreation | 2026 |
| Vilvera Oy | Professional & scientific | 1990 |
| Vincam Oy | Real estate | 2019 |
| Vistra Sales Oy | Wholesale & retail | 2025 |
| Viuria Oy | Financial services | 2023 |
| Vivantti Oy | Wholesale & retail | 1966 |
| Voimanlahde Oy | Education | 2019 |
| Vuori Service Oy | Manufacturing | 2024 |
| Vuosikerta Viivit Oy | Wholesale & retail | 1991 |
| Väntsi Group Oy | Professional & scientific | 2023 |
| Väntsi invest Oy | Professional & scientific | 2022 |
| WLS-Group Oy | Real estate | 1997 |
| Walki Consumer Oy | Manufacturing | 2012 |
| WaveMotion Oy | Information & communication | 2014 |
| Webilist Oy | Professional & scientific | 2024 |
| Wennstrom Solutions & Service Oy | Manufacturing | 1994 |
| Wesix Group Oy | Other services | 2010 |
| Western Sub Oy | Hospitality | 2019 |
| WiWa Oy | Hospitality | 2022 |
| Wok4You Oy | Hospitality | 2016 |
| Wonder Wheel Oy | Other services | 2019 |
| Y-system Oy | Transport & logistics | 2022 |
| YIH Oy | Manufacturing | 2017 |
| YST Holding Oy | Financial services | 2025 |
| Yatta Sushi Oy | Hospitality | 2023 |
| Ykköshammas Oy | Health & social care | 2021 |
| Ykkösväri Oy | Wholesale & retail | 1997 |
| Ylijoki Metsäenergia Oy | Transport & logistics | 2017 |
| Ylitornion Tuulivoima Oy | Energy | 2018 |
| Ylö Gym Oy | Arts & recreation | 2025 |
| Ylö Taksi oy | Transport & logistics | 2020 |
| Ylö-Rengas Ky | Wholesale & retail | 2015 |
| Ylöjärven Areena Oy | Arts & recreation | 2018 |
| Ylöjärven Asuntopalvelu Oy | Real estate | 2001 |
| Ylöjärven Autohuolto Oy | Other services | 2026 |
| Ylöjärven Autokoulu Oy | Education | 1979 |
| Ylöjärven Autovaraosa Oy | Wholesale & retail | 1991 |
| Ylöjärven Hammaspiste Oy | Health & social care | 2009 |
| Ylöjärven Hyvä Työ Oy | Health & social care | 2006 |
| Ylöjärven Insinööritoimisto Oy | Professional & scientific | 2008 |
| Ylöjärven Instrumenttihuolto Oy | Construction | 1993 |
| Ylöjärven Jäähalli Oy | Arts & recreation | 1998 |
| Ylöjärven Kaivupalvelu Oy | Construction | 1994 |
| Ylöjärven Kiviset Oy | Construction | 2014 |
| Ylöjärven Koneistus Oy | Manufacturing | 2012 |
| Ylöjärven Konepaja Oy | Manufacturing | 1993 |
| Ylöjärven Kukka ja Hautaustoimisto Oy | Other services | 1995 |
| Ylöjärven Kuljetus Ky | Transport & logistics | 1984 |
| Ylöjärven Kuljetuspaketti Oy | Transport & logistics | 1996 |
| Ylöjärven Laatumainos Avoin yhtiö | Professional & scientific | 2008 |
| Ylöjärven Laskenta Oy | Professional & scientific | 1989 |
| Ylöjärven Lempi Oy | Hospitality | 2016 |
| Ylöjärven Liikuntatalo Oy | Arts & recreation | 2002 |
| Ylöjärven Linkki Oy | Wholesale & retail | 1968 |
| Ylöjärven Moottorityö Oy | Manufacturing | 1980 |
| Ylöjärven Palvelukiinteistöt Oy | Real estate | 2025 |
| Ylöjärven Pienkone Oy | Wholesale & retail | 2006 |
| Ylöjärven Puu Oy | Wholesale & retail | 1990 |
| Ylöjärven Rengas-Set Oy | Wholesale & retail | 2010 |
| Ylöjärven Talotekniikka Oy | Construction | 2013 |
| Ylöjärven Toimikas Oy | Health & social care | 2012 |
| Ylöjärven Urheiluhallit Oy | Real estate | 2018 |
| Ylöjärven Vesi Oy | Water & waste | 2016 |
| Ylöjärven Ykkös-Kulta ky | Wholesale & retail | 1993 |
| Ylöjärven Yrityspalvelu Oy | Public administration | 1998 |
| Ylöjärven kuljetus ja nosto Ky | Transport & logistics | 1990 |
| Ylöjärven liikennekoulu Esko Magga Ky | Education | 1987 |
| Ylöjärven musiikkiterapia Oy | Health & social care | 2017 |
| Ylökulkuset Oy | Real estate | 2001 |
| Ympäristörakennus Knuutila Oy | Administrative & support | 2017 |
| Yrityspalvelu Simetra Oy | Professional & scientific | 2007 |
| Zodos Ky | Wholesale & retail | 2016 |
| Zerozero Retail Oy | Wholesale & retail | 2021 |
| abate Oy | Information & communication | 2008 |
| blomIT Ky | Real estate | 1992 |
| eXpertOS osk | Professional & scientific | 2014 |
| jDronics Oy | Professional & scientific | 2023 |
| rrraittit Oy | Real estate | 1981 |
| sstekno oy | Construction | 2019 |
| stONE Finland Oy | Manufacturing | 2007 |