| 3A-Sijoitus Oy | Real estate | 2021 |
| AK-Rak Oy | Construction | 2011 |
| Ansanmäki Oy | Manufacturing | 1997 |
| Apuraha Akatemia Oy | Information & communication | 2025 |
| Asennus Valkonen oy | Manufacturing | 2022 |
| Avoin Yhtiö Leipurinpuoti Haapanen | Wholesale & retail | 1998 |
| Calculoi Oy | Wholesale & retail | 2010 |
| Design Wood Ky | Manufacturing | 2008 |
| Dustec Oy | Wholesale & retail | 1990 |
| Egimo Ky | Manufacturing | 2006 |
| European Professionals Group Oy | Other services | 2022 |
| FarmiPeli Oy | Professional & scientific | 2007 |
| Fast Weld Oy Mikkeli | Construction | 1990 |
| Fixacom Oy | Professional & scientific | 1990 |
| Gelinotte avoin yhtiö | Hospitality | 2006 |
| Har-Mi Oy | Other services | 2015 |
| Hermannin vesiosuuskunta | Water & waste | 1999 |
| Hits-Ari Ky | Manufacturing | 1993 |
| Hope-up oy | Real estate | 2026 |
| Hämärä Lighting Design Oy | Professional & scientific | 2021 |
| Ilkka Tanttu Oy | Construction | 2017 |
| In Stile Mannila Avoin yhtiö | Hospitality | 2010 |
| Ismo Kantanen Oy | Wholesale & retail | 2021 |
| J&J Sijoitus Oy | Administrative & support | 2020 |
| JT-Kiinteistötekniikka Oy | Construction | 2010 |
| JVesting Oy | Professional & scientific | 2022 |
| Juniperus Metsämatkat Ky | Administrative & support | 1994 |
| Jänssinniemen Kuljetuspalvelut Ky | Transport & logistics | 2013 |
| KatajakallioH Oy | Administrative & support | 2023 |
| Kennel Starforests Oy | Agriculture & fishing | 2025 |
| Kiinteistö Oy Liukkola | Real estate | 1990 |
| Kopacom Ky | Construction | 2005 |
| Kuljetusliike M & P Matiskainen | Transport & logistics | 1990 |
| LaraGreen Oy | Manufacturing | 2022 |
| Loihti Oy | Arts & recreation | 2023 |
| Maansiirto Mikko Ripatti Ky | Construction | 2011 |
| Mahtilaari Oy | Education | 2011 |
| MaiNe Oy | Manufacturing | 2022 |
| Markku Laasonen Oy | Agriculture & fishing | 2009 |
| Mastinet Oy | Wholesale & retail | 1995 |
| Metsämatkat Oy | Administrative & support | 2008 |
| MikHa Avoin Yhtiö | Wholesale & retail | 2019 |
| Mikkelin ateria- ja pitopalvelu Ky | Hospitality | 2015 |
| Otapro OY | Manufacturing | 2012 |
| Oksa Gelato Oy | Hospitality | 2024 |
| Otarak Oy | Construction | 1994 |
| Otavan Autohuolto Ky | Wholesale & retail | 1983 |
| Otavan Kuljetus Oy | Transport & logistics | 1990 |
| Otavan Metalli Oy | Water & waste | 2009 |
| Otavan Ravintola Huvikumpu Ky | Hospitality | 2014 |
| Oxa Oy | Manufacturing | 1989 |
| Pajatsalo Ky | Manufacturing | 1984 |
| Pajatsalo-portti Oy | Manufacturing | 2009 |
| Perhekoti Tähtimetsä Oy | Health & social care | 2004 |
| Powersys Oy | Professional & scientific | 2023 |
| Proosakuiskaaja oy | Arts & recreation | 2018 |
| Puulan Puuvene Oy | Manufacturing | 1996 |
| Raskaspiste Oy | Wholesale & retail | 1994 |
| Romuparoni Oy | Wholesale & retail | 2023 |
| SNG-auto Oy | Other services | 2020 |
| Sami Kähärä Ky | Construction | 2006 |
| Saret Oy | Manufacturing | 1990 |
| Saret Yhtiöt Oy | Financial services | 1979 |
| Savocraft Oy | Manufacturing | 2026 |
| Soimäen Laatu-Saparo Oy | Agriculture & fishing | 2001 |
| Studio NeRo Oy | Other services | 2015 |
| SuomiConnect Oy | Information & communication | 2018 |
| Taksi Mesiäinen Oy | Transport & logistics | 2019 |
| Team Puumalainen Oy | Arts & recreation | 2015 |
| Tecram Oy | Professional & scientific | 1990 |
| Tepponen Group Oy | Real estate | 2024 |
| Thinkover Oy | Other services | 2020 |
| Thor Industry Service Oy | Manufacturing | 2022 |
| Topjupek Oy | Construction | 1979 |
| Valosilmä Ky | Wholesale & retail | 2008 |
| Viljami Suominen Oy | Education | 2012 |
| WW-Rakennus Oy | Construction | 2006 |