| Noora Pajala Oy | Real estate | 2020 |
| Nostovarma Oy | Manufacturing | 2019 |
| Nuohouspalvelu Rahkola Oy | Administrative & support | 2023 |
| OS-Motors Oy | Other services | 2025 |
| Oliviers Oy | Wholesale & retail | 1994 |
| Olli Pollari avoin yhtiö | Wholesale & retail | 1981 |
| OnLähde Oy | Information & communication | 2016 |
| Osuuskunta Hoivakunnas | Health & social care | 2022 |
| Osuuskunta Nelikataja | Other services | 2004 |
| Osuuskunta RiemuRiihi | Other services | 2007 |
| Otto Kortetmaa Oy | Transport & logistics | 2025 |
| P.A.P.-Konetuotanto Oy | Manufacturing | 1997 |
| P.O.Hämäläinen Oy | Real estate | 1989 |
| PJ Toikkanen Oy | Agriculture & fishing | 1987 |
| PTL E. Nissinen KY | Wholesale & retail | 1985 |
| Pajukoski Works Oy | Construction | 2021 |
| Pecore Oy | Real estate | 2001 |
| Peltiseppä Syri Oy | Construction | 2021 |
| Peto turkis avoin yhtiö | Agriculture & fishing | 1987 |
| Pienkonehuolto Widgren Oy | Other services | 2022 |
| Pintaurakointi Fingerroos Oy | Construction | 2012 |
| Pizzaamo e-kuluma Oy | Hospitality | 2022 |
| Pohjan Taimi Oy | Agriculture & fishing | 1990 |
| Pohjanmaan Asennus ja Purku Oy | Professional & scientific | 1989 |
| Pohjanmaan Metsätiimi Oy | Agriculture & fishing | 2016 |
| Pohjanmaan Puukauppa Oy | Agriculture & fishing | 2022 |
| Pointel Investment Oy | Real estate | 2010 |
| Pouttu Oy | Manufacturing | 2013 |
| Procopter Oy | Transport & logistics | 2004 |
| Puusepänliike Okapi Oy | Construction | 2004 |
| Quanture Oy | Professional & scientific | 2009 |
| Raivax OY | Agriculture & fishing | 2022 |
| Rahkolan Minkki Oy | Agriculture & fishing | 1994 |
| Raikor Oy | Wholesale & retail | 2026 |
| Raim-Invest Oy | Real estate | 2019 |
| Raimo Ylitalo Oy | Transport & logistics | 1981 |
| Rakennus Vetoniemi Oy | Construction | 2012 |
| Rakennus- ja Peltityö Kellosalo Oy | Construction | 2020 |
| Rakennuskannus Ky | Professional & scientific | 1986 |
| Rakennusliike J. Haavisto avoin yhtiö | Construction | 2001 |
| Ranta-Nilkku Oy | Wholesale & retail | 2007 |
| Rautiola Oy | Other services | 2025 |
| Rengas 28 Oy | Other services | 2008 |
| Riialle Oy | Hospitality | 2013 |
| Riverside Pub Oy | Hospitality | 2006 |
| Roiko Trading Oy | Wholesale & retail | 2018 |
| Roikon Minkki Oy | Agriculture & fishing | 1996 |
| Routa Powerline Oy | Wholesale & retail | 2022 |
| S & E Kortetmaa Oy | Agriculture & fishing | 1994 |
| Sanar Oy | Health & social care | 2020 |
| Sella Lifestyle Oy | Wholesale & retail | 2019 |
| Sonai Health Oy | Manufacturing | 2021 |
| Staff SerwiceS Oy | Administrative & support | 2021 |
| Suomen Kotiruoka Oy | Wholesale & retail | 2015 |
| Suomen LedValo Oy | Manufacturing | 2021 |
| Suomen Turvallisuustuote Oy | Wholesale & retail | 2017 |
| Suupohjan Laki Oy | Professional & scientific | 1985 |
| T&M Jokela Oy | Hospitality | 2023 |
| T.Tourunen Oy | Transport & logistics | 2023 |
| TJ Inter-Business Oy | Real estate | 1989 |
| Taltalla Finland Oy | Manufacturing | 2024 |
| Tapani Erkkilä Ky | Financial services | 2002 |
| Tarhapalvelu Mikmark Oy | Agriculture & fishing | 2003 |
| Tarviko Oy | Financial services | 2024 |
| Tepkon Oy | Real estate | 2017 |
| Teräworks Oy | Manufacturing | 2024 |
| Tietosaana Oy | Information & communication | 1993 |
| Tiia Kähkönen Ky | Wholesale & retail | 2023 |
| Tilipalvelu Tanja Lauri Ky | Professional & scientific | 2019 |
| Tilipalvelu Tietovakka Oy | Professional & scientific | 1982 |
| Tilitoimisto LKT Oy | Professional & scientific | 1987 |
| Timon ja Juhan hallikiinteistö Avoin yhtiö | Real estate | 2004 |
| Timon korjaamo Oy | Manufacturing | 2015 |
| Tommi Salonen Ky | Transport & logistics | 2016 |
| Transportserwices Pajala Oy | Transport & logistics | 2024 |
| Tukena Ritarinkannus Oy | Real estate | 2013 |
| Tuoran Tupa ja Tarina Oy | Professional & scientific | 2015 |
| Turkiskolmio Oy | Agriculture & fishing | 2007 |
| Tuulivoimayhtiö Pohjola Oy | Energy | 2014 |
| Työpalvelu Lastikka Oy | Agriculture & fishing | 2024 |
| UVT Säde Oy | Agriculture & fishing | 1993 |
| Ura-Kaluste Ky | Wholesale & retail | 1987 |
| V.Takala Rakennus Oy | Construction | 2024 |
| VDT Motors Oy | Other services | 2022 |
| Vanhanajan kotihoito Oy | Health & social care | 2011 |
| Veiskar Oy | Wholesale & retail | 2002 |
| Veli Karppi Ky | Other services | 1983 |
| Velj. Rahkola Oy | Construction | 2009 |
| Veljekset Isohanni avoin yhtiö | Manufacturing | 1998 |
| Verkko Korpela Oy | Energy | 2006 |
| Yli-Korpela Group Oy | Construction | 2022 |
| Yli-Tokola Oy | Agriculture & fishing | 2017 |
| Ylä-Satakunnan Laki Oy | Professional & scientific | 1984 |
| YritysKannus Oy | Professional & scientific | 1993 |