| Andect Oy | Manufacturing | 2018 |
| Arton Auto Oy | Wholesale & retail | 1990 |
| Autohaus Rinta-Jouppi Oy | Wholesale & retail | 1999 |
| Automyynti Reijo Myntti Ky | Wholesale & retail | 1979 |
| CJ Team Oy | Financial services | 2009 |
| CNC-Tool Hartek Oy | Manufacturing | 1995 |
| CoHD Oy | Professional & scientific | 2026 |
| Devoro Oy | Mining & quarrying | 2020 |
| EMP Holding Oy | Financial services | 2008 |
| EcoMeca Oy | Professional & scientific | 2010 |
| Eerolan Kuljetus Ky | Transport & logistics | 2005 |
| Eijan Rakennussuunnittelu Oy | Professional & scientific | 2003 |
| Elecat Oy | Manufacturing | 2024 |
| Ethene oy | Information & communication | 2022 |
| FS-Suunnittelu Oy | Professional & scientific | 1990 |
| Fiator Oy | Wholesale & retail | 2011 |
| FysioX Gym Oy | Arts & recreation | 2018 |
| Gremi Oy | Other services | 2021 |
| HA-RU Kiinteistö Oy | Real estate | 2001 |
| HTT-Group Oy | Manufacturing | 2000 |
| HTV-Power Oy | Manufacturing | 2004 |
| Hemminki Invest Oy | Other services | 2019 |
| Honua Oy | Financial services | 2023 |
| Hummo Strand Oy | Professional & scientific | 2013 |
| Iikka Erkkilä Oy | Transport & logistics | 1994 |
| Ilmastointi ja Pelti Lehtiö Oy | Construction | 2001 |
| Ilmastointi- ja Peltisepänliike Lehtiö Ky | Real estate | 1981 |
| Ilua Oy | Financial services | 2023 |
| Isonkyrön Kuljetus Oy | Transport & logistics | 1988 |
| J. Minni Oy | Agriculture & fishing | 1998 |
| JK-Linssi Oy | Manufacturing | 2003 |
| JL Tool-Service Oy | Wholesale & retail | 2008 |
| Jussi Minni Oy | Agriculture & fishing | 2022 |
| Jykän Taksit Oy | Transport & logistics | 2025 |
| Kuljetus J.Haapaluoma Ky | Transport & logistics | 2019 |
| Kaivotuote Oy | Manufacturing | 2008 |
| Kat-Metal Oy | Wholesale & retail | 2011 |
| Kaupparaitin Auto Oy | Wholesale & retail | 2005 |
| Kiinteistö Oy Laihian Kauppatie 3 | Real estate | 2023 |
| Knapital Oy | Financial services | 2021 |
| Koneurakointi Karhu Oy | Administrative & support | 2025 |
| Kuljetus Raukko Ky | Transport & logistics | 2000 |
| Kuljetusliike R & R Hakala Ky | Transport & logistics | 1984 |
| Kyrön Teräskontti Oy | Real estate | 1990 |
| Kytölän Mylly Oy | Manufacturing | 2020 |
| Kärjenkulma Oy | Real estate | 2021 |
| LVI Watec Oy | Construction | 2021 |
| Lainalinna Oy | Real estate | 2015 |
| Lakeus Partner Oy | Hospitality | 2026 |
| Lasten- ja nuorten asumiskoti Polku Oy - Barn- och ungdomshemmet Stigen Ab | Health & social care | 2001 |
| Lounasravintola Helmi Oy | Hospitality | 2014 |
| Maasturipurkaamo M&M. Ollila | Water & waste | 2007 |
| Markkinointi M Sumuvuori Oy | Wholesale & retail | 1995 |
| Musta Lintu Oy | Manufacturing | 1985 |
| Mäki-Saari Oy | Agriculture & fishing | 2022 |
| Naanan Kirsikka Ky | Hospitality | 1996 |
| Nosi Oy | Professional & scientific | 2021 |
| Nousku Solutions Oy | Education | 2008 |
| Parturi-kampaamo Kaksin Kauniimpi Avoin yhtiö | Other services | 2002 |
| Plastweld Oy | Manufacturing | 1998 |
| Pohjanmaan Autosuojaus Ky | Other services | 2020 |
| Pohjanmaan Puunkaato oy | Agriculture & fishing | 2019 |
| Pramiam Oy | Wholesale & retail | 2015 |
| Purso AluCool Oy | Manufacturing | 1994 |
| Puutavaraliike Vuollet Ky | Manufacturing | 1989 |
| RMJ-Palvelut Oy | Construction | 2011 |
| RaKu Invest Oy | Financial services | 2023 |
| Rakennusliike Kempus Oy | Construction | 2002 |
| Resta Realisointi Oy | Wholesale & retail | 2009 |
| Riki Oy | Real estate | 1987 |
| Rinta-Joupin Autoliike Oy | Wholesale & retail | 2006 |
| Rinta-Joupin Liikekiinteistöt Oy | Real estate | 2006 |
| RunWeld Oy | Manufacturing | 2015 |
| Ruukinpoika Oy | Wholesale & retail | 1990 |
| Sa-Kone OY | Wholesale & retail | 2011 |
| SensorNet Oy | Information & communication | 2014 |
| Sentra Way Oy | Administrative & support | 2018 |
| Sisustusrakennus Päivi Susanna Oy | Construction | 2024 |
| SoftTile Oy | Information & communication | 2013 |
| Suojakäsine Oy | Wholesale & retail | 1979 |
| TAHWa Oy | Wholesale & retail | 1988 |
| TKT Konepalvelut Oy | Construction | 2021 |
| Taksi Etelämäki Oy | Transport & logistics | 2023 |
| Taksi Yksi Kaksi Oy | Transport & logistics | 2023 |
| Tammi Holding Oy | Financial services | 2018 |
| Tapera Ky | Administrative & support | 2002 |
| Tapio Lae Oy | Transport & logistics | 1994 |
| Tauno ja Marko Valkama Oy | Transport & logistics | 2003 |
| Te-Va Peite Oy | Manufacturing | 1992 |
| Tervajoen Puutuote Oy | Manufacturing | 2015 |
| Tervajoen lisätila Oy | Other services | 2021 |
| Tervajoen rakennuspalvelu oy | Construction | 2024 |
| Tervakivi Oy | Real estate | 1974 |
| Tiiko Kiinteistöt Oy | Real estate | 2004 |
| Tiiko Oy | Construction | 2004 |
| Tili- ja konsulttitoimisto Kankaanpää Ky | Professional & scientific | 1986 |
| Triotar Oy | Wholesale & retail | 2025 |
| Varaosa Vuorio Ky | Wholesale & retail | 2007 |
| Vift Oy | Financial services | 2023 |
| Vigur Oy | Professional & scientific | 2013 |