| 1673 Sarah Oravainen Oy | Wholesale & retail | 2019 |
| A-Haketus Oy | Agriculture & fishing | 2021 |
| AA-Control Oy | Construction | 2018 |
| AL-Tilikulma Oy | Professional & scientific | 2000 |
| AR INV Oy | Professional & scientific | 2019 |
| Abeto Oy | Manufacturing | 2010 |
| Agripolitica Oy | Professional & scientific | 2019 |
| Artlämpö ja Sähkö Oy | Construction | 2010 |
| Auto Apaja Oy | Wholesale & retail | 2018 |
| Autoliike Koskinen Oy | Wholesale & retail | 1963 |
| Automyynti Tervo Oy | Wholesale & retail | 2000 |
| Autotarvike Marpa Oy | Wholesale & retail | 2006 |
| Buranen Oy | Wholesale & retail | 1983 |
| Cartera Oy | Financial services | 2010 |
| E4-Katsastus Oy Viitasaari | Professional & scientific | 2015 |
| Enviengineers OY | Professional & scientific | 2010 |
| ER-Saha Oy | Manufacturing | 2016 |
| EVVV Holding Oy | Administrative & support | 2026 |
| Ecobed Oy | Wholesale & retail | 2019 |
| Eero Laulainen Ky | Wholesale & retail | 1986 |
| Finans Work Oy | Wholesale & retail | 2025 |
| Finnish Forest Oy | Agriculture & fishing | 2020 |
| Fioran Oy | Professional & scientific | 2010 |
| Fysioterapia ja Lääkärikeskus Täsmähoito Oy | Health & social care | 2023 |
| Geopeat Oy | Construction | 2017 |
| H Resources Oy | Construction | 2023 |
| Hakipal Oy | Construction | 2019 |
| Heikin Rinne & Maanrakennus Oy | Arts & recreation | 2012 |
| Hempan Rengas Oy | Wholesale & retail | 1993 |
| Hoitokoti Kangaskartano Oy | Health & social care | 2006 |
| Holzkopf Oy | Wholesale & retail | 2017 |
| HooH Oy | Wholesale & retail | 2024 |
| Hotelli Pihkuri Oy | Hospitality | 2023 |
| IT-Velho Oy | Information & communication | 2021 |
| Iloon Oy | Other services | 2025 |
| Infraneliö Oy | Construction | 2001 |
| Insinööritoimisto Instop Oy | Professional & scientific | 1996 |
| Insinööritoimisto KKJ Oy | Professional & scientific | 2008 |
| Iron Forest Oy | Financial services | 1989 |
| J. Paanasen Liikenne Oy | Transport & logistics | 2010 |
| JKH-Isännöinti Oy | Real estate | 2016 |
| JKar Oy | Construction | 2020 |
| JR Remontti- ja monipalvelu Oy | Construction | 2023 |
| Juhan Kuva Ky | Professional & scientific | 2009 |
| Jurvansalon vesiosuuskunta | Professional & scientific | 1992 |
| Jylhän Parturikampaamo Ky | Other services | 1981 |
| KAP-Kuljetus Avoin yhtiö | Transport & logistics | 2012 |
| KHK-Rakennus Oy | Construction | 2011 |
| KKM Team Oy | Administrative & support | 2013 |
| KM Hagman Oy | Professional & scientific | 2021 |
| KOY Hakkarilantie 2 | Real estate | 2018 |
| KTA-Wood Oy | Real estate | 2010 |
| Kapa Urakointi avoin yhtiö | Agriculture & fishing | 2024 |
| Kartano Wiitatupa Oy | Hospitality | 2017 |
| Katajamäen Pienkoti OY | Health & social care | 2023 |
| Kehittämisyhtiö Witas Oy | Financial services | 2003 |
| Keiteleen Leipomo ky | | 1987 |
| Kekin Kone Ky | Wholesale & retail | 1977 |
| Keski-Suomen Mekatroniikka Oy | Wholesale & retail | 1992 |
| Keski-Suomen MetsäKymppi Oy | Agriculture & fishing | 1997 |
| Kiinteistö Oy Helmisenniemi | Real estate | 1993 |
| Kiinteistö Oy Pappilanmäki | Real estate | 2003 |
| Kiinteistö Oy Viitasaaren Autola | Real estate | 1992 |
| Kiinteistö Oy Viitasaaren Liikerinne | Real estate | 1987 |
| Kotileipomo Isoviita Oy | Wholesale & retail | 2012 |
| Kukka- ja hautauspalvelu Valkoinen Purje Ky | Wholesale & retail | 2011 |
| Kuljetus M. Pöntiö Ky | Transport & logistics | 2003 |
| Kuljetus Strandman Oy | Transport & logistics | 2001 |
| Kuljetusliike Esko Koljonen Oy | Transport & logistics | 1981 |
| Kultainen Apu Oy | Health & social care | 2024 |
| Kuormaus Kolmio Oy | Construction | 2020 |
| Kuppilan Kukka avoin yhtiö | Wholesale & retail | 2012 |
| LVI-Suunnittelu Mika Nykänen Oy | Professional & scientific | 1989 |
| LVI-asennus Ville Leppänen Oy | Construction | 2016 |
| Liikekonsultit S & J Niskanen Oy | Real estate | 1993 |
| Lumanela Oy | Health & social care | 2024 |
| Lämpö Unioni Oy | Construction | 2021 |
| MT-Rakentajat Oy | Construction | 2006 |
| Maarla Oy | Manufacturing | 1987 |
| Mainosapuri Ky | Professional & scientific | 1988 |
| Markkinointi Tapio Nyrönen Oy | Wholesale & retail | 1988 |
| MasuAvustus Oy | Health & social care | 2019 |
| Mediviita Oy | Health & social care | 2003 |
| Melbee good Oy | Agriculture & fishing | 2022 |
| Metsäkone Seppo Puranen Oy | Agriculture & fishing | 1988 |
| Moisio Kiinteistöt Oy | Real estate | 2009 |
| Monipalvelu Kinnunen Ky | Hospitality | 1995 |
| Monitoimipalvelut & Kumppanit Oy | Administrative & support | 2020 |
| Myllyn Mies Oy | Wholesale & retail | 2007 |
| Neloshuoltsikka Oy | Hospitality | 2025 |
| Neule-Karelia Ky | Manufacturing | 1986 |
| Nordic Pine Solutions Oy | Construction | 2025 |
| Nosto ja Maanrakennus Villman Oy | Transport & logistics | 1995 |
| Osamyynti Trucks Oy | Transport & logistics | 1990 |
| Otter Kayaks Ky | Arts & recreation | 2008 |
| Oy Haka-Wood Ab | Manufacturing | 1986 |
| Oy WILMA-VAUNUT Ltd | Wholesale & retail | 2014 |
| Oy Windside Production Ltd | Manufacturing | 1996 |
| Pektap Ky | Agriculture & fishing | 2012 |
| PJM-Kiinteistöpalvelu Oy | Administrative & support | 2003 |