| Pink Painter Oy | Other services | 2025 |
| Pinnoitetalo Oy | Wholesale & retail | 2020 |
| Pintakulma Oy | Construction | 2024 |
| Pipelytica oy | Information & communication | 2026 |
| Pirkan Timpurit Oy | Construction | 2021 |
| Pirkanmaan Ajoneuvomyynti Oy | Wholesale & retail | 2023 |
| Pirkanmaan Asuntoykkönen Oy | Real estate | 2021 |
| Pirkanmaan Erikoisrakenne Oy | Construction | 2013 |
| Pirkanmaan Kattajat Oy | Construction | 2010 |
| Pirkanmaan LVI-Keskus Oy | Construction | 2022 |
| Pirkanmaan Laatuikkunat Oy | Wholesale & retail | 2013 |
| Pirkanmaan Rakennustyö 63 Oy | Construction | 2014 |
| Pirkanmaan Tasosaneeraus Oy | Construction | 2015 |
| Pirkanmaan Verkostopalvelu Oy | Construction | 2001 |
| Pirkanmaan Viherrakennus Oy | Administrative & support | 2011 |
| Pirkanmaan Vuokratontti Oy | Real estate | 2008 |
| Pirttitekniikka Oy | Construction | 2009 |
| Pispatek Oy | Construction | 1996 |
| Pitsalmi Oy | Hospitality | 1995 |
| Polar Cargo Oy | Transport & logistics | 2026 |
| Power Hair Oy | Other services | 2014 |
| Precast Holding Oy | Professional & scientific | 2018 |
| Premium Kiinteistöt Oy | Real estate | 2024 |
| Privet Oy | Wholesale & retail | 1996 |
| Pro Rakennustekniikka Oy | Construction | 2021 |
| ProVilla Oy | Construction | 2013 |
| Projektipiste Oy | Professional & scientific | 2026 |
| Provamec Oy | Professional & scientific | 2023 |
| Purku Power Oy | Construction | 2025 |
| Puruveden Auringonlasku Oy | Real estate | 2018 |
| Putkiputte Oy | Construction | 2006 |
| Puttek Oy | Manufacturing | 2005 |
| Puunhoidon Kumppanit Oy | Administrative & support | 2018 |
| Puuti Partners Oy | Professional & scientific | 2026 |
| Päivänsäde Coaching Oy | Arts & recreation | 2013 |
| Pääs Ky | Wholesale & retail | 1999 |
| Pöllömopo Oy | Manufacturing | 2016 |
| R Way Oy | Administrative & support | 2004 |
| Rakennus Press OY | Construction | 2016 |
| RARAK Oy | Construction | 2023 |
| RMH-Transport Oy | Transport & logistics | 1988 |
| ROK Konsultointi Oy | Professional & scientific | 2024 |
| RP-Hevosurheilutuotteet Oy | Wholesale & retail | 2017 |
| RS Realisointi Oy | Wholesale & retail | 2015 |
| RT-Trading Oy | Wholesale & retail | 2006 |
| Rado Oy | Professional & scientific | 1993 |
| Raita Capital Oy | Administrative & support | 2020 |
| Raita ja Pilkku Oy | Administrative & support | 2008 |
| Rakennetekniikka Harjunmaa Oy | Professional & scientific | 2026 |
| Rakennus HeiMi Oy | Construction | 2021 |
| Rakennus L.Niemi Oy | Construction | 2024 |
| Rakennusliike Hyötyläinen Oy | Construction | 2021 |
| Rakennusliike Usko Korpela Oy | Construction | 1989 |
| Rakennuspalvelu A Virtanen Oy | Construction | 2026 |
| Rakennuspalvelu Häyrynen Oy | Construction | 2001 |
| Rakennuspalvelu Isoaro Ky | Construction | 2022 |
| Rakennuspalvelu M. Mokko Ky | Construction | 2003 |
| Rakennuspalvelu Mäkinen Oy | Construction | 2011 |
| Rakennusurakointi Jaakko Lehto Ky | Construction | 1989 |
| Rakennusurakointi Luoma & Sirviö | Construction | 2003 |
| Rakennusurakointi Masi Oy | Construction | 2003 |
| RakentaJari Oy | Construction | 2026 |
| Raksteri Oy | Arts & recreation | 2018 |
| Rautalan Lämpö Oy | Energy | 1971 |
| Rautalanka Oy | Health & social care | 2022 |
| Rautu AM Oy | Financial services | 2026 |
| Reasonic Oy Ltd. | Information & communication | 2025 |
| Remaja Oy | Wholesale & retail | 2020 |
| Remontointi LilJa Oy | Construction | 2024 |
| Remonttiakaa M. Vehmaa Oy | Construction | 2020 |
| Rengaspalvelut akaa oy | Wholesale & retail | 2025 |
| Rentlief Oy | Transport & logistics | 2025 |
| Riitiälän Mestarit Oy | Administrative & support | 2019 |
| Road Staff Oy | Administrative & support | 2015 |
| RunoLehmä Oy | Agriculture & fishing | 2024 |
| S. Kantola Ky | Construction | 1997 |
| S.J. Aalto Oy | Wholesale & retail | 1994 |
| Sateenkaarenvärit OY | Manufacturing | 2012 |
| Selanne OY | Other services | 2020 |
| SK Sähkötyö Oy | Construction | 2021 |
| SMAKAA Oy | Construction | 2026 |
| ST-Purku Oy | Construction | 2023 |
| Salenan kennel ja eläintarvike Ky | Agriculture & fishing | 2020 |
| Salmi Capital Oy | Professional & scientific | 2023 |
| Salon Kantor Oy | Real estate | 1960 |
| Samoa Holy Stones Oy | Professional & scientific | 2020 |
| Sandudd Oy | Manufacturing | 1974 |
| Santlek Oy | Professional & scientific | 2019 |
| Satu A.M. Kettunen Oy | Financial services | 2013 |
| Savi Sensors Oy | Information & communication | 2023 |
| Scan Cranes Oy | Professional & scientific | 2012 |
| Scandinavian Champions Oy | Wholesale & retail | 2000 |
| SecurityPark Holding Ky | Administrative & support | 1993 |
| Semanteri Oy | Professional & scientific | 2008 |
| Sheng Yuan Oy | Hospitality | 2026 |
| Sidonnaisuudet Oy | Information & communication | 2024 |
| Siivouspalvelu Tähtipöly Oy | Administrative & support | 2021 |
| Silta-Ravintolat Oy | Hospitality | 1987 |
| Silvarum Holding Oy | Financial services | 2004 |
| Silvarum Invest Oy | Financial services | 2026 |