| 360 North Oy | Professional & scientific | 2022 |
| AM&HP Palvelut Oy | Transport & logistics | 2009 |
| AR-KAT Oy | Administrative & support | 2011 |
| AitaSavo Oy | Construction | 2011 |
| Ajomies Turtiainen Oy | Education | 2010 |
| Autohuolto Kovanen Oy | Other services | 2022 |
| Buen Camino Oy | Professional & scientific | 2023 |
| CRA Computer & Robot Applications Oy | Information & communication | 1997 |
| Elstec Oy | Wholesale & retail | 1993 |
| Elvil Oy | Construction | 1988 |
| Eole Oy | Wholesale & retail | 1993 |
| Esko Sanio Oy | Wholesale & retail | 1991 |
| FastPie Oy | Manufacturing | 2020 |
| Hautaniemen Turkis Ky | Agriculture & fishing | 1982 |
| Hiusstudio Siuntukka Ky | Other services | 2008 |
| Huoltoasema Behm Oy | Wholesale & retail | 2018 |
| Huoltoboxi Oy | Wholesale & retail | 2025 |
| ISA Group Oy | Construction | 2006 |
| It-Jt OY | Professional & scientific | 2007 |
| Innovio Oy | Information & communication | 2018 |
| Itä-Savon Vesi Oy | Water & waste | 2007 |
| Itä-Suomen Tieisännöinti Oy | Professional & scientific | 2025 |
| J.Pihl Oy | Other services | 2025 |
| JJA Kuljetus Oy | Transport & logistics | 2015 |
| JP-Sähkö Oy | Construction | 1989 |
| Jannidos Oy | Wholesale & retail | 2003 |
| Jantia Oy | Construction | 2019 |
| Jarmo Kautonen Oy | Administrative & support | 2022 |
| Jorma Turtiainen Oy | Agriculture & fishing | 2021 |
| Jouhenniemen Sora Oy | Mining & quarrying | 1989 |
| K&J Snowberry Oy | Agriculture & fishing | 1997 |
| K. & J. Turtiainen Oy | Administrative & support | 2020 |
| Kahvila - Ravintola Kaivopirtti Oy | Hospitality | 2019 |
| Katsamon Supi Oy | Agriculture & fishing | 2004 |
| Kerigolf Oy | Arts & recreation | 1989 |
| Kerimaan Keskuskortteli Oy | Real estate | 2005 |
| Kerimesi Oy | Manufacturing | 2012 |
| Kerimäen Helmi Oy | Hospitality | 2022 |
| Kerimäen Kalatalo Oy | Real estate | 2012 |
| Kerimäen Koivuniemi Oy | Hospitality | 1999 |
| Kerimäen Konepalvelu Oy | Construction | 2012 |
| Kerimäen Metallituote A.Tiainen ja pojat Ky | Manufacturing | 1989 |
| Kerimäen Savisaari Oy | Wholesale & retail | 1993 |
| Kerimäen Vanhatalo Oy | Construction | 1993 |
| Kiinteistö Oy Savonlinnan Pajatie 26 | Real estate | 1991 |
| Killa Servers Oy | Information & communication | 2021 |
| Kone-Makkoset avoin yhtiö | | 1989 |
| Koneaisti Oy | Information & communication | 2020 |
| Kopo Holding Oy | Administrative & support | 2022 |
| Kuljetus A Muhonen Oy | Transport & logistics | 1994 |
| Kuljetus J & J Pitkänen Oy | Transport & logistics | 1999 |
| Kuljetusliike S Kuuluvainen Oy | Transport & logistics | 1992 |
| Kuljetuspalvelu M. Laamanen Oy | Transport & logistics | 2002 |
| Kuopion Työkonehuolto Oy | Other services | 2019 |
| LMI-Urakointi Oy | Construction | 2026 |
| Leipomo Keri-Hyvä Ky | Manufacturing | 1981 |
| Linja-autoliike S. Kosonen Oy | Transport & logistics | 1966 |
| LogKeri Oy | Agriculture & fishing | 2016 |
| Lonsensor Oy | Professional & scientific | 1995 |
| MWM-Sähkö Oy | Construction | 2016 |
| Maansiirto ja Raivaus Räsänen Oy | Construction | 1996 |
| Majatalo Korkeatupa Ky | Hospitality | 2006 |
| Majoitusliike Yömyssy avoin yhtiö | Hospitality | 2012 |
| MarTiina K Oy | Wholesale & retail | 2011 |
| Metsä-Raikuu Oy | Agriculture & fishing | 2022 |
| Metsäenergia Meter Oy | Agriculture & fishing | 1980 |
| Metsäkoneurakointi J. Nousiainen Oy | Agriculture & fishing | 2007 |
| Metsäkoneurakointi M. Hekkanen Oy | Agriculture & fishing | 1990 |
| Metsäurakointi Behm Oy | Agriculture & fishing | 1992 |
| Metsäurakointi Lähesmaa & Partanen | Agriculture & fishing | 1994 |
| Nitaverse Oy | Manufacturing | 2026 |
| Oy AF Holopolar Ltd. | Manufacturing | 1988 |
| Oy Novinvest Ltd | Hospitality | 2015 |
| Oy Waulis Motors Ltd | Manufacturing | 2011 |
| Paakarit Keri Hyvä OY | Manufacturing | 2024 |
| Palkkapalvelu TH Oy | Professional & scientific | 2023 |
| Pellervo Talot Oy | Construction | 2003 |
| Pohjolan Insinööripalvelu Jaspe Oy | Wholesale & retail | 1989 |
| Putkipena Oy | Construction | 2025 |
| Puukuljetus Kosonen Oy | Transport & logistics | 2010 |
| QCortico | Professional & scientific | 2025 |
| Ram-Mark Oy | Mining & quarrying | 1989 |
| SAKU Forest Oy | Agriculture & fishing | 2008 |
| Saarisavotta Oy | Agriculture & fishing | 1994 |
| Sahakuutio Oy | Manufacturing | 1973 |
| Saimaa Marketing Oy | Professional & scientific | 2017 |
| Saimaa Tours - Bodo Schachtner Oy | Administrative & support | 2021 |
| Saimaan Laatutyö Oy | Information & communication | 2020 |
| Saine Yhtiöt OY | Construction | 2023 |
| Salimarkku Oy | Wholesale & retail | 2019 |
| Seppo Suomalainen Ky | Wholesale & retail | 1992 |
| Silvester Oy | Agriculture & fishing | 2012 |
| Steere Oy | Wholesale & retail | 2022 |
| Suomenkoneagentti Oy | Wholesale & retail | 2025 |
| TMTV Consulting Oy | Wholesale & retail | 2009 |
| Toivo 1344 Oy | Hospitality | 2006 |
| Universumin Prinssi Oy | Professional & scientific | 2010 |
| Valinta Sairanen Oy | Wholesale & retail | 1965 |
| Vallan Mainio Kokki Oy | Hospitality | 2013 |