| Matti Aulakoski Oy | Professional & scientific | 2025 |
| Merjan Siivous- ja Monipalvelu Oy | Administrative & support | 2025 |
| Metsäkoneurakointi M. Ahola Oy | Agriculture & fishing | 2017 |
| Mirojack Oy | Manufacturing | 2009 |
| Mirosteel Oy | Manufacturing | 1990 |
| Mjack Ltd Oy | Manufacturing | 2023 |
| Multitaskaaja Ky | Manufacturing | 2023 |
| Muscle Sport Ky | Wholesale & retail | 1982 |
| NC-Taso Oy | Manufacturing | 2000 |
| Nurtec Oy | Construction | 2017 |
| OK Maaseutupalvelu Oy | Professional & scientific | 2026 |
| Orix Oy | Real estate | 2014 |
| PJP Invest Oy | Administrative & support | 2020 |
| PehuTec Oy | Information & communication | 1995 |
| Pentti Varpamäki Ky | Wholesale & retail | 1989 |
| Pesupiste Pyhäsalmi avoin yhtiö | Other services | 1991 |
| PictureCarFinland Oy | Information & communication | 2025 |
| Pikapaja Oy | Manufacturing | 1981 |
| Pohjois-Pohjanmaan Levynhävityspalvelu Oy | Financial services | 2022 |
| Porsasmäki Oy | Agriculture & fishing | 2001 |
| Puuketo KY | Manufacturing | 1984 |
| PyhäNet Oy | Information & communication | 2013 |
| Pyhäjoen Matkailu Oy | Hospitality | 2016 |
| Pyhäjärven Autokatsastus Oy | Professional & scientific | 2017 |
| Pyhäjärven Autotilaus Oy | Transport & logistics | 1985 |
| Pyhäjärven Biokaasu Oy | Energy | 2020 |
| Pyhäjärven Energia ja Vesi Oy | Energy | 2014 |
| Pyhäjärven Kehitys Oy | Public administration | 1996 |
| Pyhäjärven Kiinteistövartiointi Oy | Administrative & support | 2022 |
| Pyhäjärven Konepalvelu Oy | Mining & quarrying | 2012 |
| Pyhäjärven Laivaristeilyt Oy | Transport & logistics | 2018 |
| Pyhäjärven Lääkäripalvelu Oy | Health & social care | 1991 |
| Pyhäjärven Matkailu Oy | Hospitality | 2016 |
| Pyhäjärven Metsäkone Ky | Agriculture & fishing | 1971 |
| Pyhäjärven Metsäpalvelu Avoin Yhtiö | Agriculture & fishing | 2003 |
| Pyhäjärven Monitoimihalli Oy | Arts & recreation | 1999 |
| Pyhäjärven Palvelukiinteistöt Oy | Real estate | 2026 |
| Pyhäjärven RK-Huolto Ky | Manufacturing | 2012 |
| Pyhäjärven Rengas ja Huoltopalvelu Oy | Other services | 2022 |
| Pyhäjärven Sanomat Oy | Information & communication | 1958 |
| Pyhäjärven Vartiointi Ky | Professional & scientific | 1989 |
| Pyhäjärven Vaskivalimo Ky | Manufacturing | 1993 |
| Pyhäsalmen Auto- ja traktorihuolto Oy | Other services | 1988 |
| Pyhäsalmen Autohajottamo V. Kähärä Ky | Wholesale & retail | 1979 |
| Pyhäsalmen Autotarvike Ky | Wholesale & retail | 1979 |
| Pyhäsalmen EK-yhtiöt Oy | Real estate | 1979 |
| Pyhäsalmen Fysio-Sport Oy | Health & social care | 2000 |
| Pyhäsalmen Jätekuljetus Oy | Water & waste | 2005 |
| Pyhäsalmen Kirjakulma Oy | Wholesale & retail | 1986 |
| Pyhäsalmen Kodinkonehuolto Toivanen Ky | Other services | 1993 |
| Pyhäsalmen Kuntopiste Oy | Health & social care | 1986 |
| Pyhäsalmen Kvanttikiinteistöt Oy | Real estate | 2015 |
| Pyhäsalmen Matkahuolto-kahvio Ky | Transport & logistics | 1986 |
| Pyhäsalmen Metallityö Oy | Manufacturing | 1990 |
| Pyhäsalmen Moniosaajat osk | Administrative & support | 2003 |
| Pyhäsalmen Rakennus Oy | Construction | 1975 |
| Pyhäsalmen Rauta-Sport Oy | Wholesale & retail | 2008 |
| Pyhäsalmen Soitintarvike Ky | Wholesale & retail | 1984 |
| Pyhäsalmen Tikankolo Ky | Health & social care | 1986 |
| Pyhäsalmen Tili ja Isännöinti ky | Real estate | 2015 |
| Pyhäsalmi Mine Oy | Mining & quarrying | 2001 |
| R-Net Oy | Information & communication | 2018 |
| Rakennuspalvelu J. Ojala Oy | Construction | 2026 |
| Ratsastuskeskus Purola Oy | Arts & recreation | 2011 |
| Ravintola Hiidenkulma Ky | Hospitality | 1989 |
| Rohtokirkkis Ky | Wholesale & retail | 2021 |
| Rönkön Kukkatarha Oy | Agriculture & fishing | 2002 |
| Rönkön Puutarhat Oy | Agriculture & fishing | 2002 |
| Sakari Lääperi Ky | Wholesale & retail | 2006 |
| Salamen Tili Oy | Professional & scientific | 2016 |
| Salmekas Ky | Wholesale & retail | 1996 |
| Scanmont Oy | Wholesale & retail | 1991 |
| Simunanlämpö Oy | Energy | 1971 |
| Solano Renewables Finland Oy | Energy | 2025 |
| Solar Forest Oy | Agriculture & fishing | 2022 |
| St. Lake Party Oy | Hospitality | 2023 |
| St. Lake Solutions Oy | Information & communication | 2021 |
| Suorana Verkossa Oy | Information & communication | 2022 |
| Särkijoen Vesiosuuskunta | Water & waste | 1971 |
| Taideosuuskunta TANSSIAITAT | Education | 2015 |
| Taitomaja Oy | Health & social care | 2008 |
| TeMiRent Oy | Administrative & support | 2010 |
| Team-Sähäkkä Ky | Construction | 2003 |
| TecVisio Oy | Administrative & support | 2021 |
| Tek-Invest Oy | Financial services | 1989 |
| Tenhusen Liikenne Oy | Transport & logistics | 2013 |
| Tenhusen Maansiirto ja Kuljetus Oy | Construction | 1996 |
| Terapia Kipikka avoin yhtiö | Health & social care | 1999 |
| Tesrat Oy | Manufacturing | 2020 |
| Tiikkaiset-IM Oy | Health & social care | 2023 |
| Tilojako Oy | Real estate | 2017 |
| Trans Kuosmanen Ky | Transport & logistics | 1991 |
| VarisKummun Tila Oy | Agriculture & fishing | 2023 |
| Vaskikello Ky | Wholesale & retail | 1973 |
| Vekkulit Vekarat Oy | Education | 2015 |
| Velj. Varis avoin yhtiö | Agriculture & fishing | 1975 |
| Virtsakka Oy | Professional & scientific | 2024 |
| Wiljami Technologies Oy | Manufacturing | 2019 |
| X-Paja Oy | Administrative & support | 1995 |
| pensofabriko avoin yhtiö | Professional & scientific | 2016 |