| LVI-ToPi Oy | Construction | 2016 |
| LVI-Tuukkanen Oy | Construction | 2007 |
| Lakeside Innovations Oy | Professional & scientific | 2024 |
| Lounas - Kahvila Hertta Oy | Hospitality | 2011 |
| Luontaisesti Sinun Oy | Wholesale & retail | 2018 |
| Luuccu Enterprises Oy | Hospitality | 2018 |
| Lvi Asennus Mikko Muhonen Oy | Construction | 2009 |
| Lääkäripalvelu Miia Lampinen Oy | Health & social care | 2023 |
| M. Saarisen Auto ja Tili Oy | Other services | 1998 |
| MJ kiinteistö ja rakennus Oy | Real estate | 2017 |
| Maanselkä Oy | Manufacturing | 1987 |
| Markku Leppäsen Saha Ky | Manufacturing | 1983 |
| Merenna Avoin yhtiö | Wholesale & retail | 2007 |
| Metsä- ja maansiirto Äijänen Avoin yhtiö | Agriculture & fishing | 2008 |
| Metsäkuljetus Kajuutti Oy | Agriculture & fishing | 1994 |
| Niemisen Kukkakauppa ja Hautaustoimisto Oy | Other services | 2015 |
| Nuolikoski Oy | Transport & logistics | 1968 |
| Onsteel Oy | Manufacturing | 2015 |
| PTK-Turve Oy | Mining & quarrying | 1993 |
| Park Tuote Art Oy | Wholesale & retail | 2003 |
| Patamaharjun Turve Avoin yhtiö | Mining & quarrying | 1984 |
| PeLe Partner Oy | Professional & scientific | 2020 |
| Pekka Pihala Oy | Wholesale & retail | 2002 |
| Pelti- ja Rakennuspalvelu Vainikainen Oy | Construction | 2008 |
| Perfidia Oy | Construction | 1995 |
| Pirjon Tekstiili & Lahja Ky | Manufacturing | 1989 |
| Planix Group Oy | Wholesale & retail | 1997 |
| Planix Oy | Wholesale & retail | 1996 |
| Pohjolan Konepaja Oy | Manufacturing | 2014 |
| Pohjolan Konepajakiinteistöt Oy | Real estate | 2014 |
| Portable Airport Oy | Transport & logistics | 2016 |
| Pro Twins Oy | Real estate | 2017 |
| Pro Valkeinen Oy | Construction | 2025 |
| Puulaakso Oy | Professional & scientific | 1991 |
| Puulaakson Energia Oy | Energy | 1999 |
| Puunkorjuu J. Valkeinen OY | Agriculture & fishing | 1993 |
| RST2 Partners Oy | Information & communication | 2009 |
| Raision Kanerva Oy | Manufacturing | 2020 |
| Rakennus Paajanen Oy | Construction | 2016 |
| Rakennusliike Otso Oy | Construction | 2021 |
| Rakennuspalvelu J. Kotanen Ky | Construction | 2009 |
| Rautaviisikko Oy | Wholesale & retail | 2014 |
| Riihiperä Consulting Oy | Professional & scientific | 2024 |
| Ristisuon turve Oy | Mining & quarrying | 1995 |
| SCOFAM Oy | Education | 2025 |
| SMK-Palvelut Ky | Professional & scientific | 2011 |
| ST Katsastus Oy | Professional & scientific | 2023 |
| SV-Kone ja Kiinteistö Oy | Administrative & support | 2024 |
| Savotta Group Oy | Administrative & support | 2023 |
| Savotta Kiinteistöt Oy | Real estate | 2016 |
| SeekIT Oy | Wholesale & retail | 2011 |
| Softy Oy | Information & communication | 2022 |
| Suomenselän Puu Sampo Ky | Manufacturing | 1990 |
| Sähkö-Rantala Oy | Construction | 1981 |
| SähköMarila Ky | Construction | 2004 |
| Taksipalvelu Manninen Oy | Transport & logistics | 2009 |
| Takun rengas Oy | Wholesale & retail | 2019 |
| Teps-Lasi Ky | Construction | 1988 |
| Termair Oy | Construction | 2001 |
| Tervet Oy | Professional & scientific | 2011 |
| Tili ja Laskenta Jarnamo Oy | Professional & scientific | 2000 |
| Tilipalvelu Siripro Oy | Professional & scientific | 2015 |
| Tilitoimisto Tähtitulos Oy | Professional & scientific | 2017 |
| Tojarn Oy | Professional & scientific | 2026 |
| Topkat Oy | Hospitality | 2003 |
| Topsa-Grilli Oy | Hospitality | 2019 |
| Tucona Oy | Real estate | 2018 |
| Tunturitaru Oy | Professional & scientific | 2021 |
| VIP- rengas ky | Wholesale & retail | 1983 |
| Vaateliike Eves Oy | Wholesale & retail | 2016 |
| Vaipo Oy | Professional & scientific | 2019 |
| Vector Team Oy | Professional & scientific | 2014 |
| Vesterinen Monipalvelu Ky | Health & social care | 1981 |
| Visionary Capital Oy | Financial services | 2025 |
| WDM-Service Oy | Construction | 2022 |
| WM Consulting Oy | Professional & scientific | 2019 |
| Waldroden Oy | Wholesale & retail | 1996 |
| Wanhat Wehkeet Oy | Arts & recreation | 2004 |