| Aurek OY | Wholesale & retail | 1992 |
| Aito arboristi Oy | Agriculture & fishing | 2022 |
| Antein Oy | Agriculture & fishing | 2025 |
| Antti Tuuva Ky | Construction | 2000 |
| Asentier Oy | Information & communication | 2018 |
| Betoniliipparit OY | Construction | 2018 |
| C4 Teollisuuden Purku Oy | Construction | 2003 |
| Calicos Spicy Business Oy | Agriculture & fishing | 2021 |
| East Holding Oy | Real estate | 2022 |
| Eeva Kristiina Oy | Financial services | 2025 |
| Eko Teräs Oy | Real estate | 2008 |
| Ensolux Oy | Hospitality | 2020 |
| Glunga Oy | Professional & scientific | 2020 |
| Heneva Consulting Oy | Information & communication | 2019 |
| HyväPojat Oy | Construction | 2025 |
| IVM Engineering Oy | Professional & scientific | 2026 |
| JS-Enviro Oy | Professional & scientific | 2009 |
| Jouko Viertola Ky | Wholesale & retail | 1988 |
| Jurvalan Huoltamo Ky | Wholesale & retail | 1991 |
| Kaakkois-Kivijärven vesihuolto-osuuskunta | Water & waste | 2004 |
| Kara Infra Oy | Construction | 2022 |
| Kartiopuu Oy | Manufacturing | 1985 |
| Kiinteistö Oy Heinolan Tommolankatu 24 | Real estate | 2002 |
| Kiinteistö Oy Sapeli | Real estate | 2008 |
| Koko Kansan Tavarakonttori Oy | Water & waste | 1993 |
| Kristiina Pihlajamäki Oy | Other services | 2025 |
| Kuninkaantien Huoltamo Ky | Wholesale & retail | 1986 |
| Kärkikuljetus Oy | Transport & logistics | 1997 |
| LL Classic Cars Oy | Wholesale & retail | 1986 |
| Luovin Lifestyle Oy | Professional & scientific | 2021 |
| M & T Sarvilahti Avoin yhtiö | Construction | 2004 |
| Marmin Oy | Financial services | 2022 |
| Multifun Finland Ltd Oy | Hospitality | 1997 |
| Nasula Oy | Agriculture & fishing | 2009 |
| Pala Ja Painike OY | Hospitality | 2001 |
| PSV Kiinteistövarallisuus Oy | Real estate | 2003 |
| Pasada Oy | Information & communication | 2007 |
| Pilhjerta Yhtymä Oy | Real estate | 2026 |
| Porsico Oy | Agriculture & fishing | 2004 |
| Puutavaraliike Huomo Oy | Manufacturing | 1986 |
| Rebel Express Oy | Transport & logistics | 2005 |
| Reijo Tervo Oy | Financial services | 1986 |
| Rosenholm Entertainment Oy | Arts & recreation | 2025 |
| San-Terä OY | Manufacturing | 2011 |
| Salpaharjun Vesiosuuskunta | Water & waste | 2020 |
| Sami Penttilä Labs. Oy | Professional & scientific | 2013 |
| Spey Lab Oy Ltd. | Wholesale & retail | 2014 |
| Trading Vaittinen Oy | Wholesale & retail | 1995 |
| Ukon Verstas Oy | Manufacturing | 2025 |
| Urakointi V Hermunen Oy | Transport & logistics | 2011 |
| V Kosenoja Oy | Agriculture & fishing | 2026 |
| Valtekno Oy | Manufacturing | 2011 |
| i-GuSystem Oy | Information & communication | 2017 |