| Oy Pirkanmaan Erä-Elämys Ltd | Wholesale & retail | 2008 |
| PJP-Pihlaja Oy | Transport & logistics | 2022 |
| Parkanon Teollisuussorvaus Ky | Professional & scientific | 1989 |
| Parturi-Kampaamo HiusTupa Riihioja Ky | Other services | 2012 |
| Paulaniemi Oy | Other services | 2012 |
| Peevi Oy | Wholesale & retail | 2015 |
| Pentti Harsu Oy | Transport & logistics | 1986 |
| Pesoma Oy | Professional & scientific | 2022 |
| Pikku-Sirmakka Ky | Wholesale & retail | 1989 |
| Pirjon Butik Ky | Wholesale & retail | 1987 |
| Pirkan Metalli- ja Puutuote Oy | Manufacturing | 2012 |
| Pirkanmaan Talomyynti&Rakennus Oy | Real estate | 2022 |
| Pizzeria Demir Oy | Hospitality | 2015 |
| Pkvest Oy | Real estate | 2019 |
| Profil-Car Oy | Wholesale & retail | 2023 |
| Prännäri Ikaalinen Oy | Hospitality | 2018 |
| Präntti Oy | Information & communication | 2006 |
| Puistohämeen Pojat Oy | Construction | 2018 |
| Pukaran-Hangasjärven Vesiosuuskunta | Water & waste | 1990 |
| Q-Kenkä Ky | Wholesale & retail | 2006 |
| RA-PALVELUT Ky | Administrative & support | 2004 |
| RT Rakentajat Oy | Construction | 2022 |
| RTKone OY | Other services | 2021 |
| Rakennustyö Jyrki Rajasalo Ky | Construction | 2002 |
| Rakennustyö Lammi Oy | Construction | 2019 |
| Remun Koneurakointi Oy | Agriculture & fishing | 2015 |
| Rosla Finland Oy | Water & waste | 2003 |
| Ruusukas Ky | Wholesale & retail | 2006 |
| S. Koskela Oy | Wholesale & retail | 2001 |
| S3 Invest Oy | Real estate | 2014 |
| SOS-tilanne Oy | Education | 2023 |
| STS Capital Holding Oy | Financial services | 2026 |
| STS Erärakennus Oy | Construction | 2017 |
| Salonaika Oy | Wholesale & retail | 2023 |
| Sanova Oy | Transport & logistics | 1989 |
| Sata-Hämeen Kalajaloste avoin yhtiö | Manufacturing | 1998 |
| Satunurkka Oy | Wholesale & retail | 2013 |
| SelTal Dent Finland Oy | Health & social care | 2019 |
| Senni- keittiöt Oy | Construction | 2021 |
| Setler Oy | Professional & scientific | 1994 |
| Shopsteed Oy | Financial services | 2019 |
| Siivousliike Laakso Oy | Administrative & support | 2022 |
| Siivouspalvelu Päivi Eloranta Ky | Administrative & support | 1991 |
| Sirpa ja Jarmo Rintamäki avoin yhtiö | Wholesale & retail | 2014 |
| Sivoralu Oy | Professional & scientific | 2019 |
| Skald Accordions Oy | Manufacturing | 2020 |
| Skies Ablaze Oy | Arts & recreation | 2011 |
| Snabb Auto Ky | Wholesale & retail | 1983 |
| Solut Oy | Professional & scientific | 2020 |
| Sucesion Oy | Agriculture & fishing | 2023 |
| Suomen Kuntavalo Oy | Construction | 2013 |
| Suomen Matkailutieto Oy | Professional & scientific | 1996 |
| Sähkö- ja automaatiopalvelu Rajamäki Oy | Construction | 2021 |
| Sähkö-Hela Oy | Wholesale & retail | 2000 |
| Sähköinen Isännöitsijä Oy | Real estate | 2011 |
| Sähköpeltoniemi Oy | Construction | 1977 |
| T Kuortti Ky | Transport & logistics | 2007 |
| TE Works Oy | Wholesale & retail | 2026 |
| Taidosto osk | Other services | 2004 |
| TaksiBus Rantala & Vienola Ky | Transport & logistics | 2008 |
| Taksipalvelu Anssu Rantala Ky | Transport & logistics | 2006 |
| Talo Rannalla Oy | Arts & recreation | 2023 |
| Teräväinen installation partner Oy | Manufacturing | 2023 |
| Teuho Group Oy | Professional & scientific | 2022 |
| Teuho Yhtiöt Oy | Professional & scientific | 1932 |
| Teuman Oy | Construction | 1994 |
| Tikantti Oy | Professional & scientific | 1995 |
| Tilausliikenne A&O Vienola Ky | Transport & logistics | 2000 |
| Tilausliikenne Timo Tuomisto Ky | Transport & logistics | 1994 |
| Tili- ja Konsultointi Sili Ky | Professional & scientific | 1990 |
| Tili- ja Talouspalvelu Jouko Laaksonen Oy | Professional & scientific | 2010 |
| Tilit Hannu Virtanen Ky | Professional & scientific | 2013 |
| TiniTar Oy | Hospitality | 2013 |
| TourBus Finland Oy | Other services | 2001 |
| Trans-Teijärvi Oy | Transport & logistics | 1997 |
| Tuning Services Oy | Wholesale & retail | 2024 |
| Turenius Oy | Financial services | 1945 |
| Uittamonsalmi Oy | Administrative & support | 2003 |
| Ulvilan Lämpö Oy | Energy | 1987 |
| Urakkahuolto Jurvanen Oy | Administrative & support | 2022 |
| Urakointi Ollila Oy | Transport & logistics | 1983 |
| Urheiluliike Ikasport Ky TK | Wholesale & retail | 1995 |
| Uusitalo&MansunWoima Oy | Construction | 2020 |
| VJ Rakennus Oy | Construction | 2019 |
| VV-Tuote Oy | Administrative & support | 2008 |
| Vakuutus VM.Rinkinen Oy | Financial services | 2023 |
| Valtatien Mainos Oy | Information & communication | 2021 |
| Valvotec Oy | Administrative & support | 2007 |
| Veijo Nyppeli Oy | Wholesale & retail | 1987 |
| Veijo Satama Ky | Mining & quarrying | 1990 |
| Veli Oy | Real estate | 1987 |
| Venesco Oy | Financial services | 1995 |
| Vestep Oy | Professional & scientific | 1994 |
| Viipurin sähkö Oy | Construction | 2020 |
| ViivaPiirto Ky | Professional & scientific | 2010 |
| Vilppulan Talohoito Ky | Administrative & support | 1988 |
| Vuorenmaa Forest Oy | Agriculture & fishing | 2025 |
| Waltech Oy | Wholesale & retail | 2013 |
| WoodBoard Oy | Manufacturing | 2024 |
| huoltamo gym Oy | Arts & recreation | 2019 |