| Paapo Oy | Wholesale & retail | 2014 |
| Passimo Oy | Manufacturing | 1990 |
| Peltisepänliike Arto Turja Oy | Construction | 1996 |
| Petri Koskenmäki Ky | Financial services | 2005 |
| Petri Salo Oy | Construction | 2008 |
| Pianva Oy | Real estate | 2021 |
| Pietarin Kiinteistöt Oy | Real estate | 1996 |
| Pitkäsen Sora avoin yhtiö | Construction | 2003 |
| Pohjanjussit Oy | Wholesale & retail | 1986 |
| Pohjanmaan Jakelukuljetus Oy | Real estate | 2007 |
| Pohjarakennus Jussinmäki Oy | Construction | 2006 |
| Pohjolan Palmu Oy | Construction | 2024 |
| Pojat Vuokraa Oy | Administrative & support | 2018 |
| Psykologipalvelu Mari Toppinen Oy | Health & social care | 2023 |
| Pöllinpyörittäjät Oy | Manufacturing | 2019 |
| Quick Burger Ky | Hospitality | 2014 |
| RKK-Tuotanto Oy | Manufacturing | 1991 |
| RYJ Kiinteistö Oy | Real estate | 2002 |
| Railine Oy | Construction | 2021 |
| Rajama Ky | Wholesale & retail | 2013 |
| RakJan Oy | Construction | 2020 |
| Rakennus Kuusjärvi Oy | Construction | 2017 |
| Rakennus Luoma-aho Oy | Construction | 2017 |
| Rakennus Penninkangas Oy | Construction | 2000 |
| Rakennusliike Björkbacka Oy | Construction | 2012 |
| Rakennusliike JAVE Oy | Construction | 2012 |
| Rakennusliike M. Ranta Oy | Construction | 2005 |
| Rakennuspalvelu Ismo Rajala Ky | Construction | 2002 |
| Rakennuspalvelu Kari Toppinen Ky | Construction | 1999 |
| Rakennuspalvelu PE-KI Ky | Construction | 2011 |
| Rakennuspalvelu Toni Kujala Oy | Construction | 2023 |
| Rakennuspalvelu Turja Oy | Construction | 1993 |
| Rakennustyö Höykinpuro Oy | Construction | 2024 |
| Ramirex oy | Wholesale & retail | 2014 |
| Ranta Group Oy | Construction | 2018 |
| Rauta - Ahma Oy | Wholesale & retail | 2004 |
| Reijo Humalajoki Ky | Administrative & support | 2016 |
| Relax Team Oy | Administrative & support | 2011 |
| Rexpex Oy | Wholesale & retail | 2000 |
| Rinteen Putki Oy | Construction | 1985 |
| Roadservice Finland Oy | Administrative & support | 2008 |
| Rockmachines Avoin yhtiö | Information & communication | 2015 |
| Ruka food Ky | Hospitality | 2005 |
| SJ Saarimaa Oy | Wholesale & retail | 2019 |
| Sacos Oy | Wholesale & retail | 2007 |
| Sahtek Oy | Construction | 2020 |
| Salopuu Oy | Manufacturing | 1987 |
| Saltex Oy | Manufacturing | 2007 |
| Serox Oy | Professional & scientific | 2025 |
| Sirius Star Oy | Other services | 2010 |
| Sivuaura Oy | Real estate | 2009 |
| Suomen tasoitepalvelu Oy | Construction | 2023 |
| Suomi Puku Ky The International Costume Of Finland Company | Manufacturing | 1990 |
| Supertori Simpsiö Ky | Wholesale & retail | 1982 |
| Sähköpalvelu Lampinen Oy | Other services | 2022 |
| T & T Rajala Oy | Construction | 2011 |
| TAT-Kiinteistöt Oy | Real estate | 2026 |
| TERRANIVA Ky | Professional & scientific | 2023 |
| TL Garage Ky | Other services | 2012 |
| Tainan Ruoka-Kahvio Ky | Hospitality | 2023 |
| Taisto Penttilä Oy | Transport & logistics | 1983 |
| Taksi Björkbacka Ky | Transport & logistics | 2014 |
| Taksi Johannes Kamppinen Oy | Transport & logistics | 2019 |
| Taksi Kyrönlahti Oy | Transport & logistics | 2023 |
| Takuuhuolto Ari Uurinmäki Oy | Other services | 1996 |
| Tallbacka Oy | Real estate | 2026 |
| Tela ja Pensseli Oy | Construction | 2024 |
| TerapiaMessi Oy | Health & social care | 2015 |
| Terra-Talot Oy | Construction | 2013 |
| Tilausliikenne T.J. Yli-Sikkilä Kommandiittiyhtiö | Transport & logistics | 1995 |
| Tilausliikenne Vanhamäki Oy | Transport & logistics | 2021 |
| Tilitoimisto P.Sippola Oy | Professional & scientific | 2017 |
| Tilitoimisto Salo Oy | Professional & scientific | 2003 |
| Timo Mäntyniemi Oy | Construction | 1980 |
| Timsa Invest Oy | Financial services | 2024 |
| Tonnisport Oy | Manufacturing | 2009 |
| Trans-Peltomäki Oy | Transport & logistics | 1992 |
| Transport Center Alajärvi Oy | Real estate | 2002 |
| Transport Seppälä Oy | Transport & logistics | 2007 |
| Tribus Group Oy | Real estate | 2024 |
| Trifitek Finland Oy | Construction | 2010 |
| Tuomon Toimisto Oy | Professional & scientific | 2022 |
| Tähtiporras Oy | Manufacturing | 2007 |
| Usvavuori Creative Oy | Professional & scientific | 2025 |
| Uusi Paukku Invest Oy | Financial services | 2019 |
| Uusi Paukku Oy | Real estate | 2019 |
| Uusi Tee Oy | Hospitality | 2024 |
| V. Hosionaho Oy | Water & waste | 2017 |
| V. M. Sippola Oy | Financial services | 1978 |
| VALKA Oy | Manufacturing | 2025 |
| VM Salo Oy | Construction | 1995 |
| VM-Works Oy | Manufacturing | 2015 |
| Valuefai Oy | Professional & scientific | 2019 |
| Vasok Oy | Professional & scientific | 2008 |
| Vesa Elgland Ky | Agriculture & fishing | 1996 |
| Vesijohtoliike Timo Rentola Oy | Construction | 1999 |
| Vetecon Oy | Construction | 2008 |
| Viirumäen kone Oy | Construction | 2024 |
| Villa Aarresaari Oy | Real estate | 2001 |
| Villa Möykky Oy | Real estate | 1994 |