| Ovimec Steel Oy | Manufacturing | 1979 |
| Oy Jussi Eilonen Turkistarha | Agriculture & fishing | 1979 |
| Oy Tofferin Turkis | Agriculture & fishing | 1992 |
| P & R Mäntylä Oy | Agriculture & fishing | 1990 |
| Pahkakangas Jarmo ja kumppanit avoin yhtiö | Transport & logistics | 1995 |
| Pahkakankaan Liikenne Oy | Transport & logistics | 2012 |
| Paluukuorma Oy | Professional & scientific | 2021 |
| Piano- ja Flyygelikorjaamo O. Hautamäki Ky | Other services | 1989 |
| Pietarsaaren kiinteistöpalvelu Oy | Administrative & support | 1978 |
| Pohjanmaan Muovi Oy | Manufacturing | 2011 |
| Pohri Oy | Manufacturing | 1989 |
| Polar-Mekano Avoin yhtiö | Wholesale & retail | 2005 |
| Popo Fashion Ky | Wholesale & retail | 2012 |
| Prime Estate Group Oy | Real estate | 2025 |
| Puhtaanapito ja Kuljetus Pahkakangas Avoin yhtiö | Construction | 1995 |
| RH Kymppi Oy | Professional & scientific | 2011 |
| Rafterline Oy | Transport & logistics | 2004 |
| Rakennus Mikko Oy | Construction | 2009 |
| Rakennustarvikeliike Laukkonen Oy | Wholesale & retail | 1979 |
| Rakennuttajan Laskentavoima Oy | Real estate | 2017 |
| Ranta-ahon Kettu Oy | Agriculture & fishing | 1978 |
| Rantalehto Works Oy | Administrative & support | 2001 |
| Ratkaiseva Dialogi Oy | Professional & scientific | 2020 |
| Rautapa Ky | Manufacturing | 1999 |
| Saaren Turkis Oy | Agriculture & fishing | 1979 |
| Sairaankuljetus Mikkola Oy | Health & social care | 1990 |
| Sanfur Oy | Wholesale & retail | 1994 |
| Silta Turkis Oy | Agriculture & fishing | 1987 |
| Solidservice Oy | Manufacturing | 2025 |
| Sulkakosken Turkis Oy | Manufacturing | 1980 |
| System Kirsilä Oy | Construction | 2012 |
| Sähkösuunnittelu Rannisto Oy | Professional & scientific | 1997 |
| TTK-Taksipalvelu Ky | Transport & logistics | 2012 |
| TTP-Huolto Oy | Manufacturing | 2013 |
| Takamaa Kiinteistöt Oy | Administrative & support | 2009 |
| Talli Vanilli Oy | Arts & recreation | 2026 |
| Tapio Pahkakangas Oy | Transport & logistics | 2016 |
| Uniikki Paneli Avoin yhtiö | Manufacturing | 2007 |
| Urakointi Paalanen Oy | Agriculture & fishing | 2010 |
| Veinco OY | Manufacturing | 2018 |
| Viiperi Service Oy | Agriculture & fishing | 2026 |
| Vilami Oy | Hospitality | 2023 |
| Woofly Oy | Professional & scientific | 2013 |