| 1ZU OY | Information & communication | 2022 |
| Absolute Management Finland Oy | Wholesale & retail | 2022 |
| Ajoneuvokiinteistöt oy | Real estate | 1990 |
| Alkion Tähtelä Oy | Education | 2026 |
| Altacam Oy | Wholesale & retail | 2016 |
| Amanda-koti Oy | Health & social care | 1994 |
| Ari Ensi Oy | Information & communication | 2025 |
| Ari Tirkkonen Oy | Manufacturing | 2011 |
| Audist Oy | Wholesale & retail | 1989 |
| Biomitta Oy | Professional & scientific | 2026 |
| BlackOps Oy | Health & social care | 2008 |
| CADmin Ky | Professional & scientific | 2024 |
| Contakti OY | Information & communication | 2014 |
| Chic Hattu Oy | Wholesale & retail | 2014 |
| ConCare Oy | Health & social care | 2003 |
| CopperLoop Oy | Wholesale & retail | 2024 |
| DMsolutions Oy | Professional & scientific | 2005 |
| David Invest Oy | Real estate | 2016 |
| Defecom Oy | Professional & scientific | 1991 |
| Dynament Oy | Health & social care | 2019 |
| E-Valmennus Oy | Education | 2022 |
| EMALIPUU Ulla Huttunen & Arto Salminen avoin yhtiö | Manufacturing | 2000 |
| Elpiko Oy | Construction | 1997 |
| FindEm Oy | Wholesale & retail | 2022 |
| Finecto Oy | Manufacturing | 2021 |
| Geolympia Oy | Construction | 2023 |
| Geosetti Oy | Construction | 1991 |
| Gorgias Oy, Communication Training and Research | Professional & scientific | 1995 |
| H ja T Ahonen Oy | Agriculture & fishing | 1986 |
| HM Trans Oy | Transport & logistics | 1992 |
| Haanpään tila Oy | Hospitality | 2020 |
| Hakemar Oy | Transport & logistics | 2020 |
| Hautakivikaiverrus Janhonen Oy | Manufacturing | 2010 |
| Hedman Invest Oy | Real estate | 1999 |
| Heranta Lingua Oy | Professional & scientific | 2024 |
| Heranta Oy | Professional & scientific | 2023 |
| HiisiCon Oy | Professional & scientific | 2015 |
| Himos tekniikka Oy | Construction | 2023 |
| Hiusten Paikka Oy | Other services | 2026 |
| Hoivataan.fi Jkl Oy | Health & social care | 2017 |
| Horsepoint Oy | Real estate | 2005 |
| Hunajakeisarit Ky | Agriculture & fishing | 2009 |
| HyPe-Forest Oy | Agriculture & fishing | 2019 |
| Iron Ore Oy | Manufacturing | 1997 |
| J & J Laaksonen | Wholesale & retail | 2017 |
| J Siltala Holding Oy | Financial services | 2025 |
| J-M Kinnunen Works Oy | Administrative & support | 2016 |
| Jarwen OY | Other services | 2010 |
| JEM-Invest Oy | Real estate | 2021 |
| JHT-Sijoitus Oy | Construction | 1989 |
| JIV-Solutions Oy | Information & communication | 2025 |
| JT Kovanen Yhtiöt Oy | Professional & scientific | 2024 |
| Jakeluasema-Kahvio, Raija Kärkkäinen Ky | | 1984 |
| Jakeyvest Oy | Financial services | 2022 |
| Jarvest Oy | Professional & scientific | 2012 |
| Jokisen Evät Oy | Construction | 2025 |
| Jouko Korkeakangas Oy | Other services | 2003 |
| Juhana ja Arja Lehmuskoski Avoin yhtiö | Wholesale & retail | 2005 |
| Jukan Huolto Ky | Other services | 1992 |
| Jurami Ky | Wholesale & retail | 2016 |
| Järki Särki Oy | Manufacturing | 2016 |
| Järvi-Suomen Mökkihuolto Oy | Administrative & support | 2025 |
| KK-Monifysio Oy | Health & social care | 1996 |
| KKL Renkaat Oy | Professional & scientific | 2008 |
| KRV Kiinteistöpalvelut Oy | Administrative & support | 2019 |
| Kaakeli-Nikkarit Oy | Wholesale & retail | 1986 |
| Kaivonporaus Olympia Oy | Construction | 2025 |
| Kauppatalo Rantanen Ky | Wholesale & retail | 1988 |
| Kauppayhtiö Pesonen Oy Ab | Professional & scientific | 2019 |
| Keijo Kettunen Oy | Construction | 2015 |
| Keski-Suomen Sijoituspalvelut Oy | Professional & scientific | 2009 |
| Kiinteistö Oy Alkioranta I | Real estate | 1976 |
| Kiinteistö Oy Pyrylä | Wholesale & retail | 1987 |
| Kiinteistö Oy Saarelanranta | Real estate | 1987 |
| Kiinteistö Oy Tähtiniemen opiskelija-asunnot | Real estate | 2023 |
| Kilpakorven Ravitalli Oy | Real estate | 1987 |
| King Consulting Oy | Financial services | 2007 |
| Korpi-Weikko Group Oy | Manufacturing | 2020 |
| Korpi-Weikko Oy | Manufacturing | 2013 |
| Korpilahden Ainola avoin yhtiö | Hospitality | 2026 |
| Korpilahden KN-Sähkö Oy | Construction | 2023 |
| Korpilahden Kuormaus Oy | Transport & logistics | 1982 |
| Korpilahden Metsäkonekuljetus Oy | Agriculture & fishing | 2008 |
| Korpilahden Osuuspankki | Financial services | 1928 |
| Korpilahden Rauta ja Rakennuspalvelu Oy | Wholesale & retail | 1994 |
| Korpilahden Talokeskus Oy | Real estate | 1990 |
| Korpilahti Rakenne Oy | Manufacturing | 2015 |
| Kouhian Saha Ky | Manufacturing | 1989 |
| Kukka- ja Hautauspalvelu Päivänsini Oy | Other services | 2011 |
| Kulinaria Oy | Professional & scientific | 2015 |
| Kuljetus Kananen Oy | Transport & logistics | 2026 |
| Kuljetus- ja koneurakointi Lehtinen Oy | Transport & logistics | 2005 |
| Kuljetusliike Rippala Oy | Transport & logistics | 1995 |
| Kuntosali TreeninPaikka Oy | Arts & recreation | 2025 |
| Kuutoskoneet Oy | Administrative & support | 2014 |
| Kärkisten vesiosuuskunta | Water & waste | 2004 |
| KärsäNiekka Oy | Information & communication | 1990 |
| LCxConsulting Oy | Information & communication | 2026 |
| LKS Energiat Oy | Agriculture & fishing | 2010 |
| LOKE Oy | Administrative & support | 2015 |