| ATM Asennus Oy | Construction | 2022 |
| Absin International Ltd Oy | Wholesale & retail | 2022 |
| Alsuk Oy | Wholesale & retail | 1992 |
| Beauty By MariJ Oy | Other services | 2026 |
| Eloset Oy | Construction | 2019 |
| Epstone Oy | Professional & scientific | 2011 |
| FeSteel Oy | Real estate | 1976 |
| Finneps Oy | Manufacturing | 1989 |
| Hesun Putki Oy | Construction | 2008 |
| Hiittenportti Oy | Hospitality | 2003 |
| ITR-Taksi Oy | Transport & logistics | 2008 |
| InfraPipe Oy | Manufacturing | 2017 |
| J. & A. Siuro Ky | Transport & logistics | 1984 |
| JE-Tank Oy | Transport & logistics | 2017 |
| JRJ Tamminen Oy | Construction | 2020 |
| Jouni Ranta-Pere Oy | Transport & logistics | 2002 |
| Jukai Oy | Hospitality | 2025 |
| K. Hemmilä Oy | Construction | 1952 |
| KUUSISTO Trucking Ky | Transport & logistics | 2012 |
| Kiinteistö Oy Hietanummi | Real estate | 1989 |
| Kiinteistö Oy Kiertokulku | Real estate | 1999 |
| Kiinteistö Oy S-Valonen | Real estate | 1984 |
| Kiinteistö Oy Salohalli | Real estate | 1990 |
| Kokemäen Laatuhiekka Oy | Mining & quarrying | 1979 |
| Kokemäen Rakennus- ja LVI Oy | Construction | 1995 |
| Kokemäen Sport Center Oy | Arts & recreation | 1994 |
| Kokemäen juurikkaannosto OY | Agriculture & fishing | 2020 |
| Kuljetus A & A Koivisto Oy | Transport & logistics | 1980 |
| Kuljetus J. Kaarela Oy | Transport & logistics | 2018 |
| Kuljetus Siuro Oy | Transport & logistics | 2010 |
| Kuljetusliike Ari Männistö Ky | Transport & logistics | 1989 |
| Kuljetusliike Juhani ja Tapani Tähtinen | Transport & logistics | 1999 |
| LEKO Fans Oy | Manufacturing | 2020 |
| LEKO Group Oy | Manufacturing | 1972 |
| Lallin Perunannosto Oy | Wholesale & retail | 2001 |
| Lehtonen Engineering Oy | Manufacturing | 2025 |
| Lehtosen Konepaja Oy | Manufacturing | 2022 |
| Lvi Uusimaa Oy | Construction | 2023 |
| Lvi-Asennuspalvelu Marjanen Oy | Construction | 2012 |
| MJHON Consulting Oy | Professional & scientific | 2020 |
| Maanrakennus Matti ja Vesa Mäkinen | Construction | 1988 |
| Mariannan Tili Oy | Professional & scientific | 2016 |
| Nomard Oy | Manufacturing | 2014 |
| Nostopalvelu HR-Nostot Oy | Construction | 2011 |
| Nuohouspalvelu Kallio Oy | Administrative & support | 2005 |
| Peipohjan Autovaruste, Avoin yhtiö | Wholesale & retail | 1980 |
| Peippola Oy | Professional & scientific | 2007 |
| Pitkäjärvi Services Oy | Hospitality | 2005 |
| Rakennuspalvelu Pöyhönen Oy | Construction | 2019 |
| Roctec Oy | Professional & scientific | 2010 |
| SP Vaaraton Oy | Energy | 2011 |
| Sat-E Group Oy | Financial services | 2026 |
| Sat-Electric Oy | Construction | 2001 |
| Satakunnan Pihvikeskus Kommandiittiyhtiö | Manufacturing | 1985 |
| Sataloisto-palvelut Oy | Administrative & support | 2023 |
| Sataravi Oy | Arts & recreation | 1948 |
| Satsata Oy | Construction | 2020 |
| Siivoustyöt Partanen Oy | Administrative & support | 2022 |
| Sähkö-Valonen Ky | Construction | 1976 |
| Talousikkuna Oy | Professional & scientific | 2026 |
| Team Ari Viander Oy | Arts & recreation | 2021 |
| Teljän Höylä Avoin Yhtiö | Wholesale & retail | 2012 |
| Teljän kiinteistöhuolto Oy | Administrative & support | 2022 |
| Tk-Yhtymä Oy | Administrative & support | 2006 |
| Tulkkauspalvelut Eltia Oy | Professional & scientific | 2013 |