| Ab Porre Oy | Agriculture & fishing | 2010 |
| Apu-Miks osuuskunta | Wholesale & retail | 2017 |
| Blacksmith Design Oy | Professional & scientific | 2016 |
| BotniaWater Installation Oy | Construction | 2013 |
| Broiler Piirto Oy | Agriculture & fishing | 1991 |
| E-P:n POPO Oy | Real estate | 2008 |
| EP Sales Oy | Other services | 2021 |
| Etelä-Pohjanmaan ikkuna ja ovi Oy | Wholesale & retail | 2022 |
| Hautaniemi Investments Oy | Real estate | 2017 |
| IKR Oy | Construction | 2019 |
| J.A Toivola Oy | Wholesale & retail | 2009 |
| JMH-Rakennus Oy | Construction | 1989 |
| K. Ala-Krekola Ky | Transport & logistics | 1999 |
| Kalinanmäen vesihuolto-osuuskunta | Water & waste | 2010 |
| Kiinteistö Oy Mietaan Markki | Real estate | 2010 |
| Kiinteistö Oy Tuottokurikka | Real estate | 1987 |
| Koivuniemen Yrityskiinteistö Ky | Real estate | 1981 |
| Kymak Oy | Mining & quarrying | 2023 |
| M&R Saneeraus Oy | Construction | 2024 |
| MLFabrication Oy | Manufacturing | 2025 |
| Metsä-Tassi Oy | Agriculture & fishing | 2025 |
| Miedon Metalli Oy | Manufacturing | 1973 |
| Mittaus ja suunnittelu Toni Heino Oy | Construction | 2024 |
| Monirakenne J. Säntti Oy | Construction | 1994 |
| Ojaniemi Oy | Manufacturing | 1992 |
| PP-Kaluste Veljekset Kuru Ky | Wholesale & retail | 1987 |
| Patrio Oy Ab | Professional & scientific | 2021 |
| PeeVeePro Oy | Manufacturing | 2018 |
| Petteri Mieto Oy | Transport & logistics | 2018 |
| Pitkämön Rikiina Oy | Hospitality | 2019 |
| Pitkämön vesiosuuskunta | Water & waste | 1953 |
| Pragaus & Fiksaus Oy | Real estate | 2021 |
| Putki- ja Hitsauspalvelu Markku Rantamäki Oy | Construction | 2002 |
| Puusepänliike Juha-Matti Saari Ky | Manufacturing | 1988 |
| Rakennuspalvelu Mikko Hautala Oy | Construction | 2025 |
| Releon Oy | Construction | 2021 |
| SOmap Oy | Construction | 2014 |
| Speedwash365 Oy | Other services | 2021 |
| Sun Down Finland Oy | Professional & scientific | 2025 |
| TN-Suunnittelu Oy | Professional & scientific | 2017 |
| Terästuote Randell Oy | Manufacturing | 2013 |
| Timo Kivistö Oy | Professional & scientific | 1994 |
| Tipu Piirto Oy | Agriculture & fishing | 2022 |
| Veljekset Piirto Oy | Agriculture & fishing | 2021 |
| Viherhietikko Oy | Administrative & support | 2022 |
| Vinyylitalo Oy | Wholesale & retail | 2010 |
| haaja rakenne oy | Construction | 2022 |