| Pehmo-Kaluste Ky | Manufacturing | 1966 |
| Perinnerakentaja Leo Lönnroth Oy | Construction | 2015 |
| Pinta Infra Oy | Construction | 2023 |
| Pirkanmaan Lemmikkitalo Oy | Wholesale & retail | 2000 |
| Pitkämö Canyon Camping Oy | Hospitality | 2017 |
| Pohjanmaan Hiekkapuhallus Oy | Construction | 2016 |
| Pohjanmaan Hiekkapuhallus ja Pinnoitus Ky | Construction | 1998 |
| Pohjanmaan Hoivapalvelut Oy | Real estate | 2004 |
| Pohjanmaan Kaluste Oy | Manufacturing | 1984 |
| Pohjanmaan Teollisuuspalvelu PTP Oy | Manufacturing | 2010 |
| ProfiVan Oy | Wholesale & retail | 2022 |
| Promoässät Oy | Professional & scientific | 2023 |
| Psykologi- ja psykoterapiapalvelu Ihmeellinen mieli Oy | Health & social care | 2022 |
| Puusepänliike Reijo Kangasniemi Oy | Manufacturing | 2020 |
| R&P Peltiverstas Oy | Construction | 2017 |
| R. Keski-Jyrä Oy | Water & waste | 1991 |
| RIKOVA Oy | Professional & scientific | 2022 |
| Rs-Teräs OY | Manufacturing | 2008 |
| RTH -Rakennus Oy | Construction | 2018 |
| Rakennus ja Kiinteistö Huovinrinne Oy | Construction | 1988 |
| Rakennus- ja remonttipalvelu Hautala M & M avoin yhtiö | Construction | 2011 |
| Rakennusliike Markku Laitanen Ky | Construction | 1989 |
| Rakennusliike Pohjanrakennus Ky | Construction | 1989 |
| Rakennusliike S. Ollila Oy | Construction | 1974 |
| Rakennuspalvelu Kotiranta Oy | Construction | 2024 |
| Rakennustoimisto Jorma Karjanmaa Oy | Construction | 1989 |
| Rakmax Oy | Construction | 2024 |
| Ravintolahaara Oy | Hospitality | 2019 |
| Reinicka Oy | Professional & scientific | 2019 |
| Relicomp Oy | Manufacturing | 2024 |
| Remontti- ja kotiapu Suomela avoin yhtiö | Administrative & support | 1993 |
| Remontti- ja rakennuspalvelu Juveliini Ky | Construction | 2017 |
| Rengasmesta Oy | Wholesale & retail | 2007 |
| Rento Invest Oy | Real estate | 2020 |
| Riocon Oy | Professional & scientific | 2010 |
| Ripiä Oy | Construction | 2019 |
| Ruccon Oy | Transport & logistics | 2018 |
| SM Fimac Oy, Ltd | Wholesale & retail | 1994 |
| ST-Motors Oy | Other services | 2024 |
| Safetion Oy | Professional & scientific | 2015 |
| Samaku Oy | Real estate | 2021 |
| Samaku rent Oy | Administrative & support | 2026 |
| Savelan Metalli Oy | Manufacturing | 1986 |
| Seinäjoen Kaarakiinteistö Oy | Real estate | 2023 |
| Selkätupa Oy | Hospitality | 2008 |
| Senioriapu Lehtimäki Oy | Health & social care | 1996 |
| Siivous Marjat Oy | Administrative & support | 2004 |
| Silkan Oy | Real estate | 1989 |
| Sillanpää Yhtiöt Oy | Real estate | 2017 |
| So-land Oy | Agriculture & fishing | 2020 |
| Somementori Oy | Professional & scientific | 2023 |
| Steamec Oy | Wholesale & retail | 2013 |
| Stroman Group Oy | Professional & scientific | 2018 |
| Stroman Oy | Manufacturing | 2004 |
| Suomen Bitumikatto Oy | Construction | 2018 |
| Superpehmis Oy | Wholesale & retail | 2022 |
| Suupohjan Auto Oy | Real estate | 1981 |
| Suupohjan Yritystalo Oy | Real estate | 2003 |
| Sähköasennus Piirto Oy | Construction | 2025 |
| Säntti Moniosaajat ky | Education | 2011 |
| Särtec Oy | Administrative & support | 2009 |
| T Mäkilaine Oy | Construction | 2006 |
| TK-Building Oy | Construction | 2019 |
| TK-Koneasema Oy | Construction | 2016 |
| TKM Solutions Oy | Wholesale & retail | 2024 |
| TMu Automation Oy | Professional & scientific | 2004 |
| TS-Rauta Oy | Wholesale & retail | 2025 |
| Tahdonkoti Oy | Construction | 2011 |
| Tammerkosken Voima Oy | Real estate | 2023 |
| Tampereen Tontti Oy | Real estate | 2023 |
| Tella Lifestyle Oy | Manufacturing | 2023 |
| Tella Oy | Manufacturing | 2017 |
| Tella Protect Oy | Manufacturing | 2023 |
| Tilikola Oy | Professional & scientific | 2021 |
| Timo Viitala Oy | Construction | 1991 |
| Toiminimen rekisteröinti on kumottu | Wholesale & retail | 1994 |
| Tommi Teerimäki Ky | Construction | 2015 |
| Tream Power Oy | Construction | 2017 |
| Tuiskun Pyörä Ky | Wholesale & retail | 1985 |
| Tuulenpuuska Oy | Real estate | 1996 |
| U & R Anttila Oy | Wholesale & retail | 1977 |
| VIS Holdco 4 Oy | Manufacturing | 2022 |
| VS-Nostot Oy | Construction | 2004 |
| VSA-Service Oy | Wholesale & retail | 1977 |
| Valokuvaamo Petri Kapanen Ky | Professional & scientific | 2007 |
| Velikone Oy | Other services | 1987 |
| Viafin Industrial Service Oy | Manufacturing | 2020 |
| Viafin Process Piping Oy | Manufacturing | 2011 |
| Viafin Service Oyj | Manufacturing | 2017 |
| ViiSaa Oy | Construction | 2022 |
| Viitala Invest Oy | Financial services | 2016 |
| Viitalan Kiinteistöt Oy | Real estate | 1985 |
| Vilsa Invest Oy | Real estate | 2020 |
| WMC Hyövälti Oy | Manufacturing | 2024 |
| West Breeding Oy | Agriculture & fishing | 2007 |
| Wiaco Oy | Professional & scientific | 2023 |
| Widecon Oy | Information & communication | 2015 |
| Wohvelihetki Avoin yhtiö | Hospitality | 2026 |
| Yrityspalvelu Junikco Oy | Professional & scientific | 2003 |
| Yrjö Latva-Luopa Oy | Transport & logistics | 1979 |