| A-L Arminen Oy | Wholesale & retail | 2012 |
| AB Finhetta OY | Wholesale & retail | 2012 |
| AGM Group Oy | Wholesale & retail | 2022 |
| Aldanex Group Oy | Real estate | 2016 |
| Aldanex Oy | Information & communication | 2022 |
| Aldanex Pro Oy | Administrative & support | 2021 |
| Astic Oy | Construction | 2011 |
| Auto-Jatapa Oy | Wholesale & retail | 1992 |
| Biport Oy | Real estate | 2002 |
| Colmena Oy | Health & social care | 2020 |
| Cytomed Oy | Manufacturing | 2009 |
| Eco-Adventure Finland OY | Arts & recreation | 2009 |
| Elokuja 8 Oy | Hospitality | 2009 |
| Etelä-Karjalan Turvapalvelu Ky | Administrative & support | 1998 |
| Finnish Construction Support Oy | Professional & scientific | 2010 |
| Fivena Development Oy | Real estate | 2008 |
| Hammaslääkäripalvelut Koskela Oy | Health & social care | 2025 |
| Henmarix Oy | Construction | 2022 |
| Henri Lignell Ky | Hospitality | 1997 |
| Hiekkalan Hunaja Oy | Agriculture & fishing | 2024 |
| Hotelli Ravintola Pääskyn Pesä Ky | Hospitality | 1986 |
| Huonekaluliike ja verhoomo Jussi Välimäki Ky | Manufacturing | 1982 |
| I-Kone Oy | Manufacturing | 2010 |
| JKB Technologies Oy | Construction | 2024 |
| Jisis Oy | Professional & scientific | 1989 |
| Jotex Works Oy | Manufacturing | 1994 |
| Jousteel Oy | Manufacturing | 2010 |
| Joutseno Process & Mill Service Ky | Professional & scientific | 2015 |
| Joutsenon Dieselasennus Oy | Other services | 1972 |
| Joutsenon Siivouspalvelu Oy | Administrative & support | 1993 |
| Juhlapalvelu Pisara Oy | Arts & recreation | 2025 |
| Julki Oy | Professional & scientific | 1993 |
| Kaj Green Technology Oy | Professional & scientific | 2023 |
| Kangas-Pala Eeva Luukkala Ky | Wholesale & retail | 1987 |
| Karjalan automaalaamo Oy | Other services | 2015 |
| Kiinteistö Oy Elokuja 10 | Real estate | 2011 |
| Kiinteistö Oy Jänhiälän Saloportti | Real estate | 1990 |
| Kiinteistö Oy Kuljetuskulma Kakkonen | Real estate | 1995 |
| Kiinteistö Oy Rauhan liikekiinteistöt 1 | Real estate | 2013 |
| Kiinteistö Oy Vipelenranta | Real estate | 2009 |
| Kiinteistö Tujulat Oy | Real estate | 1997 |
| Kiinteistöosakeyhtiö Joutsenon Kiinteistöt | Real estate | 2016 |
| Konsultrend Oy | Professional & scientific | 2016 |
| Kuorma-autohuolto M. Pasanen Ky | Other services | 1990 |
| LVI Pendex Oy | Construction | 2018 |
| Lanttikone Oy | Construction | 1997 |
| Lappeenrannan Konemetalli Oy | Manufacturing | 1982 |
| Lentokuljetus J.Huikko Oy | Transport & logistics | 2008 |
| Mööpeli-Mekka Oy | Hospitality | 1996 |
| Oy ProTCorb Ab | Manufacturing | 2019 |
| Oy Rauha House Rent Ltd | Real estate | 2010 |
| PTS-Kiinteistöt Oy | Real estate | 2010 |
| Paakin Konetyö Oy | Construction | 1979 |
| Pankov Oy | Real estate | 2023 |
| Pasilandia Oy | Professional & scientific | 2022 |
| Pikva Oy | Professional & scientific | 2011 |
| Piskot Oy | Hospitality | 2009 |
| Pro Helens Oy | Wholesale & retail | 2013 |
| Rakennus Jokinen Ky | Construction | 1990 |
| Rapic Oy | Manufacturing | 2019 |
| Rauhan Auto Oy | Other services | 2014 |
| Rauhan Riistakiinteistöt Oy | Real estate | 2012 |
| Rehaboost Oy | Information & communication | 2025 |
| Saimaa Resort Oy | Hospitality | 2012 |
| Saimaan Kiurunrinne Oy | Administrative & support | 2008 |
| Saimaan Kiuruntörmä Oy | Administrative & support | 2008 |
| Saimaan Marina House Oy | Real estate | 2012 |
| Saimaan Suojakalvo Oy | Other services | 1997 |
| Saimaan Talopalvelu Oy | Administrative & support | 2007 |
| Saimaan Willat Oy | Hospitality | 2008 |
| Selkos Oy Finland | Wholesale & retail | 2015 |
| Selän Vuoksi Oy | Health & social care | 2014 |
| Simola Gård Ab | Agriculture & fishing | 2020 |
| ThinkAI Oy | Information & communication | 2023 |
| Tietosaimaa avoin yhtiö | Information & communication | 2004 |
| Tikura Oy | Professional & scientific | 2008 |
| Tikura Ventures GP Oy | Financial services | 2021 |
| Tikura Ventures I Ky | Financial services | 2021 |
| Tiuru Oy | Wholesale & retail | 2026 |
| VGM Group Oy | Real estate | 2021 |
| VP-Kuljetus Oy | Transport & logistics | 1992 |
| VP-Logistics Oy | Transport & logistics | 2008 |
| Venla-Mari Ky | Transport & logistics | 1992 |
| Vipelen Talli Oy | Education | 1996 |
| Vuoksiviihde Ky | Professional & scientific | 2005 |
| Zimacom Oy | Hospitality | 2011 |