| Alfatours OY | Administrative & support | 2007 |
| Alzymologist Oy | Professional & scientific | 2020 |
| Aqua Oy | Wholesale & retail | 1989 |
| ArjenHelmet Oy | Health & social care | 2025 |
| Arton ja Eiran Kiinteistöt Oy | Real estate | 1988 |
| Asianajotoimisto Pekka Vartiainen Oy | Professional & scientific | 2020 |
| Askucon Oy | Real estate | 1998 |
| Atia Oy | Hospitality | 2014 |
| Autokorjaamo Vartiainen Oy | Other services | 2010 |
| Autonilsiä Oy | Other services | 2012 |
| BDR-Kamppi Oy | Other services | 2022 |
| BIT Solution Oy | Professional & scientific | 2012 |
| Bake It Better Oy | Professional & scientific | 2021 |
| Baroner Group Oy | Real estate | 2012 |
| BellVist Oy | Administrative & support | 2023 |
| Business-Helenat Avoin Yhtiö | Professional & scientific | 2012 |
| Connec Oy | Manufacturing | 1996 |
| Domus Cultura Oy | Real estate | 1994 |
| E Korhonen Asunnot Oy | Real estate | 2022 |
| Edustus ja Asennus Ruuskanen Ky | Wholesale & retail | 2008 |
| Ehtoopesä Oy | Real estate | 2020 |
| Electrorent Oy | Construction | 2004 |
| Eskelinen Invest Oy | Financial services | 2026 |
| Etta Group Oy | Administrative & support | 2022 |
| Funlus Oy | Professional & scientific | 2008 |
| Fysioterapia Syvärinranta Oy | Health & social care | 1979 |
| Gobananas Finland OY | Hospitality | 2021 |
| Gastro LIP Oy | Hospitality | 2025 |
| HC-Tahko Ky | Administrative & support | 2010 |
| HH Rumpumatka Oy | Other services | 2023 |
| HK-Kate Ky | Construction | 2011 |
| HarjuMedi Oy | Wholesale & retail | 2017 |
| Heinäaho Service Oy | Manufacturing | 2011 |
| Heinäahon Puutarha Ky | Agriculture & fishing | 1984 |
| Helena-Koti Oy | Health & social care | 1993 |
| Henri Rantsi Rakennuspalvelu Oy | Construction | 2012 |
| Herkkupaja Bakery Oy | Manufacturing | 2022 |
| Honeymedia Ky | Education | 1990 |
| Hukankulman ammatillinen perhekoti Oy | Health & social care | 2010 |
| Idealfix Oy | Manufacturing | 2021 |
| Ihmehalli Oy | Hospitality | 2023 |
| Ikikivi Oy | Mining & quarrying | 1989 |
| Ilmastointi- ja peltityö Ilpe Oy | Construction | 1999 |
| JO Terveyspalvelut Oy | Health & social care | 2005 |
| JREK Oy | Wholesale & retail | 2025 |
| JT Keskus Oy | Wholesale & retail | 2005 |
| JT anno Oy | Real estate | 2011 |
| JV-Idea avoin yhtiö | Administrative & support | 1996 |
| Jackpot-Urakointi Oy | Construction | 2023 |
| Janoiset Ravintolat Oy | Hospitality | 2020 |
| Kahvila Ravintola Savo Oy | Hospitality | 2025 |
| Kaivu ja Kierrätys Oy | Water & waste | 2021 |
| Katajanmäki Oy | Construction | 2019 |
| Kiinteistö Oy Kuopion Kolmisopentie 18 | Real estate | 2004 |
| Kiinteistö Oy Nilsiän Lasi ja Lami | Real estate | 2002 |
| Kiinteistö Oy Nilsiän Lomaniemi | Real estate | 1990 |
| Kiinteistö Oy Nilsiän Tahkontähti | Real estate | 1995 |
| Kiinteistö Oy Onni-Helena | Real estate | 2000 |
| Kiinteistö Oy Tahkon Hermanni | Real estate | 2004 |
| Kiinteistö Oy Tahkovakka | Real estate | 2022 |
| Kiinteistöyhtiö Mustikkarinne | Real estate | 2025 |
| Kimin Sähkö Oy | Construction | 2020 |
| Kivilahti Healing Oy | Health & social care | 2022 |
| Kone-Turunen Oy | Agriculture & fishing | 1977 |
| Konepalvelu Hätinen Ky | Construction | 2003 |
| Konepalvelu Savolainen Ky | Construction | 2008 |
| Konepappila Oy | Construction | 2005 |
| Koneteho Oy | Manufacturing | 2017 |
| Korpiahon Hunaja Oy | Agriculture & fishing | 1993 |
| Korpivelhot avoin yhtiö | Administrative & support | 2022 |
| Kotihoito Selina OY | Health & social care | 2021 |
| Kovirak Oy | Professional & scientific | 2015 |
| Kuljetus Taattola Oy | Transport & logistics | 1987 |
| Kuljetuspalvelu Saarelainen Ky | Transport & logistics | 2007 |
| Kultarannikon Huolto Oy | Administrative & support | 2002 |
| Kuopion Rakennus ja Asbesti Oy | Construction | 2016 |
| Käsnänen Yhtiöt Oy | Administrative & support | 2019 |
| LVI-Asennus Turunen Oy | Construction | 2020 |
| LVI-Tahko Oy | Construction | 2000 |
| Laskentavarat Oy | Professional & scientific | 2007 |
| Lastulanpuu Oy | Construction | 2025 |
| Liepuskan Herkkupaja Oy | Professional & scientific | 2022 |
| Lippola Ravintolat Oy | Hospitality | 2015 |
| Liuskelouhos Kainulainen Ky | Mining & quarrying | 1988 |
| Luoti Group Oy | Construction | 2012 |
| Maman Deli Avoin yhtiö | Hospitality | 2013 |
| Mass-On Kiinteistöt Oy | Real estate | 2006 |
| Matka-Mainio Oy | Administrative & support | 1986 |
| Meininki Yhtiöt oy | Transport & logistics | 2024 |
| Metsätyö Taskinen Oy | Agriculture & fishing | 2012 |
| Mider Oy | Health & social care | 2015 |
| Midoriyama Oy | Professional & scientific | 2026 |
| Moniharju Oy | Real estate | 1993 |
| Mteb Oy | Financial services | 2020 |
| Nilsby Bondböna AB | Professional & scientific | 2022 |
| Nilsiän Kauppapuutarha Kommandiittiyhtiö | Agriculture & fishing | 1980 |
| Nilsiän Lasipalvelu Ky | Construction | 1991 |
| Nilsiän Laskenta Oy | Professional & scientific | 1979 |
| Nilsiän Rakennus Oy | Construction | 2006 |
| Nilsiän Sora Oy | Mining & quarrying | 2005 |