| Pieni Group Oy | Administrative & support | 2026 |
| Pienryhmäkoti PikkuKettu Oy | Health & social care | 2019 |
| Pohjois-Karjalan Viestintä Ky | Wholesale & retail | 1992 |
| Pohjola Foods Oy | Wholesale & retail | 2023 |
| Pro-Jami Oy | Manufacturing | 2018 |
| Puhe- ja hoivapalvelut Liisa Vepsäläinen Oy | Health & social care | 2022 |
| Pukelo Oy | Real estate | 1989 |
| Punainen Kebab Pizzeria Avoin yhtiö | Hospitality | 2010 |
| Pure Natura Finland Oy | Manufacturing | 2020 |
| Putkiasennus Kilpinen Oy | Construction | 2022 |
| Putkieristys Näsänen Oy | Construction | 1997 |
| Puukisällit S. Piirainen KY | Hospitality | 2000 |
| R. Nilsén Oy | Manufacturing | 2006 |
| Raftico Oy | Manufacturing | 2024 |
| Rahti-Kettunen Oy | Transport & logistics | 1997 |
| Ramiga Oy | Construction | 1987 |
| Ravintola Sari ja Ari Oy | Other services | 2020 |
| Reittu Invest Oy | Construction | 2020 |
| RiKa Asunnot Oy | Real estate | 2017 |
| Riikkinen & Company Oy | Professional & scientific | 2005 |
| Roni & Nasri Oy | Education | 2013 |
| Räyskä Oy | Other services | 2019 |
| S Forest Oy | Agriculture & fishing | 2020 |
| S Kalkas Ky | Wholesale & retail | 1991 |
| S. Kärki Oy | Manufacturing | 2021 |
| SKAV-Yhtiöt Oy | Agriculture & fishing | 2012 |
| SM-Fur Sirpa Haapasalo-Turpeinen Ky | Manufacturing | 1983 |
| Saunamies Ky | Construction | 1987 |
| Siksor Oy | Wholesale & retail | 2014 |
| Starwood Ky | Manufacturing | 1988 |
| Suomen Marjatalo Oy | Wholesale & retail | 2013 |
| Suomen Puhdasvesi Yhtiöt Oy | Manufacturing | 1998 |
| Suomipuu Invest Oy | Financial services | 1993 |
| Sähköpalvelu Pöyhönen Oy | Construction | 2022 |
| TJT Metsäpalvelut Oy | Agriculture & fishing | 2020 |
| TKL Kuljetus Oy | Transport & logistics | 2000 |
| TN-Toimisto Oy | Administrative & support | 1990 |
| Tec Unico Oy | Construction | 2001 |
| Temarsi Oy | Wholesale & retail | 1995 |
| Tentum Oy | Construction | 2008 |
| Terakka Oy | Real estate | 1990 |
| Terveystori Oy | Health & social care | 1992 |
| Teuvo Savolainen Ky | Transport & logistics | 1981 |
| Tikkutaksi Oy | Agriculture & fishing | 2021 |
| Tilitoimisto Damsdata Ky | Professional & scientific | 1980 |
| Tilitoimisto Lehikoinen Oy | Professional & scientific | 2014 |
| Tilitoimisto Tasetti Oy | Professional & scientific | 2020 |
| Tonipex Oy | Professional & scientific | 1997 |
| Touko Talot Oy | Real estate | 2020 |
| Tukkijätkä Oy | Transport & logistics | 2016 |
| Turun Viherlinja Oy | Construction | 1993 |
| Varakoti Varpunen OY | Health & social care | 2018 |
| ValmennusPolku Oy | Professional & scientific | 2014 |
| Varasjoki Group Oy | Professional & scientific | 2018 |
| Veljekset Kokkonen kommandiittiyhtiö | Construction | 1980 |
| Vesiosuuskunta Karhunkangas | Water & waste | 2018 |
| Voihansilli avoin yhtiö | Wholesale & retail | 2025 |
| Öystilä Oy | Wholesale & retail | 1966 |