| RJ-Elektro Oy | Wholesale & retail | 1999 |
| RJJ - Huolto & Pesu Oy | Other services | 2010 |
| RJM-Consult Ky | Professional & scientific | 1998 |
| RK Betonointi Oy | Construction | 2025 |
| RP-Metalli Ky | Manufacturing | 1987 |
| Rakennus Eska Oy | Construction | 2024 |
| Rakennus ja laatoituspalvelu T. Isokääntä Oy | Construction | 2022 |
| Rakennusliike Jyväskuutiot Oy | Construction | 2002 |
| Rihto Oy | Manufacturing | 2007 |
| Rokma Oy | Manufacturing | 2026 |
| SJAP Oy | Construction | 2016 |
| STVA Invest Oy | Professional & scientific | 2024 |
| Sada Oy | Wholesale & retail | 2026 |
| Sakarin Talo Oy | Administrative & support | 2013 |
| Sanertek Oy | Construction | 2025 |
| Siilon Puoti Oy | Wholesale & retail | 2025 |
| Sinclair Management Oy Ltd | Manufacturing | 2022 |
| Sky Eagles Oy | Construction | 1997 |
| Sole Capital Oy | Professional & scientific | 2023 |
| Solidius Oy | Information & communication | 2025 |
| Sport Solutions Finland Oy | Professional & scientific | 2008 |
| Suolahden Juhlatalo Oy | Real estate | 2021 |
| Suomen Kestomagneetti Oy | Other services | 2009 |
| Suomen MediTuote Oy | Wholesale & retail | 2012 |
| Sähköpalvelu Valoisat OY | Construction | 2021 |
| Sähköurakointi Pukkila Oy | Construction | 2015 |
| TJ-FIX Oy | Manufacturing | 2011 |
| TJ-Katsastus Oy | Professional & scientific | 2012 |
| Taipale Kiinteistöt Oy | Real estate | 2025 |
| Taipale Varastointi Oy | Professional & scientific | 2007 |
| TaivutusTeam Oy | Manufacturing | 2025 |
| Takomo Fishing Oy | Wholesale & retail | 2024 |
| Takomokatu 6 Oy | Real estate | 2024 |
| Taksi ja Kuljetus Hämäläinen Ky | Transport & logistics | 1992 |
| Tekasol Oy | Administrative & support | 1990 |
| Tiituspohjan Palvari Oy | Manufacturing | 2000 |
| Tilausliikenne Hokkinen Ky | Transport & logistics | 1984 |
| Toivo Golf Oy | Arts & recreation | 2020 |
| Tulkkaus- ja käännöspalvelu SoFar Oy | Professional & scientific | 2009 |
| Tähtipirssi Oy | Transport & logistics | 2018 |
| Tönöx Oy | Construction | 2025 |
| Usably Oy | Information & communication | 2019 |
| VKR Group Oy | Construction | 2020 |
| Valutytöt Oy | Construction | 2017 |
| Via Vesta LKV Oy | Real estate | 2008 |
| Wakpal Oy | Other services | 2002 |
| WaneCia Waffle Oy | Hospitality | 2025 |
| Wemander Oy | Financial services | 2013 |
| Work invest oy | Other services | 2025 |
| Woz Trading Oy | Manufacturing | 1999 |