| 1288 Tiina Puttonen Oy | Wholesale & retail | 2014 |
| Area sale scurra osk. | Hospitality | 2020 |
| Asennustyö Nieminen Oy | Other services | 2017 |
| Auto Leskinen Oy | Other services | 1986 |
| Autoyhtymä Arkko Ky | Transport & logistics | 2007 |
| AwaLead Oy | Education | 2019 |
| Buza Oy | Other services | 2011 |
| Confitura Oy | Professional & scientific | 2006 |
| Doc A Media Oy | Information & communication | 2024 |
| EJ-Sinilähde Oy | Financial services | 1982 |
| Elcard wireless systems Oy | Professional & scientific | 2004 |
| Eljavil Capital Oy | Financial services | 2020 |
| Eläinlääkäripalvelut MobilVet Oy | Professional & scientific | 2009 |
| Etelä-Savon Lattiapäällystys Oy | Construction | 2012 |
| Etelä-Savon Vartiointi Oy | Administrative & support | 2013 |
| Eurolade Ky | Manufacturing | 1983 |
| Euromoro Oy | Wholesale & retail | 1992 |
| Farmatools Oy | Health & social care | 2009 |
| FellRock Oy | Financial services | 2026 |
| FinKaz Oy | Financial services | 2017 |
| Fincando Ky | Wholesale & retail | 2013 |
| Fisuburger Oy | Hospitality | 2023 |
| Forest Ravolainen Oy | Agriculture & fishing | 2013 |
| Forest Tiihonen Oy | Agriculture & fishing | 2010 |
| HEWARIK Ky | Construction | 2018 |
| HakaLab Oy | Professional & scientific | 2026 |
| Harvel Kiinteistöt Oy | Real estate | 2013 |
| Harvel Oy | Construction | 2007 |
| Hokan kyläosuuskunta | Administrative & support | 2012 |
| Holles Oy | Real estate | 2019 |
| Hovinikkarit Oy | Manufacturing | 1978 |
| IMT First Oy | Information & communication | 2016 |
| Ikonen Yhtiöt Oy | Transport & logistics | 1974 |
| Itäkankaan vesiosuuskunta | Water & waste | 2004 |
| JE Bio Oy | Real estate | 2020 |
| JM Helminen Oy | Transport & logistics | 2006 |
| JST Invest Oy | Real estate | 2022 |
| Ja-Sa Infra Oy | Construction | 2016 |
| Josadoor Oy | Manufacturing | 1988 |
| Joseve Oy | Construction | 2026 |
| Jouni Seppänen Oy | Wholesale & retail | 2004 |
| KKJ Consulting Oy | Professional & scientific | 2024 |
| KKJ Invest OY | Real estate | 2020 |
| Kaleidoskooppi Oy | Professional & scientific | 2016 |
| Kaluste Kuvaja Ky | Wholesale & retail | 1981 |
| Kangasniemen Autosähkö Oy | Other services | 1994 |
| Kangasniemen Fysica Ky | Health & social care | 1984 |
| Kangasniemen Jätehuolto Oy | Water & waste | 1997 |
| Kangasniemen Kiinteistökehitys Oy | Real estate | 2025 |
| Kangasniemen Kiinteistöpalvelu Oy | Administrative & support | 2008 |
| Kangasniemen Kumikorjaamo Oy | Other services | 1984 |
| Kangasniemen Mökkimarketti Oy | Construction | 2007 |
| Kangasniemen Näkövinkki Ky | Wholesale & retail | 1991 |
| Kangasniemen Osuuspankki | Financial services | 1909 |
| Kangasniemen Pankkikulma Oy | Real estate | 1987 |
| Kangasniemen Tennis Oy | Arts & recreation | 1987 |
| Kangasniemen Vuokratalot Oy | Real estate | 1990 |
| Kangasniemen Ykköskone Oy | Wholesale & retail | 1991 |
| Kangasniemen juhla- ja pitopalvelu Ky | Hospitality | 1991 |
| Kangasniemen öljyhuolto Oy | Wholesale & retail | 1993 |
| Kangasniemi holidays Oy | Hospitality | 2025 |
| Karlsson & Seppänen | Wholesale & retail | 2013 |
| Karnell Finland Oy | Financial services | 2022 |
| Kelojussi Oy | Manufacturing | 1994 |
| Kihveli & Kahveli avoin yhtiö | Hospitality | 2010 |
| Kiinteistö Oy Hovila | Real estate | 2007 |
| Kiinteistö Oy Kangasniemen Matkakiinteistö | Real estate | 1983 |
| Kiinteistö Oy Kangasniemen Otonkulma | Real estate | 1988 |
| Kiinteistö Oy Kangasniemen Säästölä | Real estate | 1984 |
| Kiinteistö Oy Kangasniemen Teollisuustalo | Real estate | 1992 |
| Kiinteistö Oy Myrskytalo | Real estate | 2011 |
| Kiinteistö Oy Putkinotko | Real estate | 2011 |
| Kiinteistö Oy Salmelanmaja | Real estate | 2015 |
| Kokko1721 ky | Arts & recreation | 2012 |
| Konetyö Tiila Oy | Agriculture & fishing | 2008 |
| Kuljetus A Lindholm Oy | Transport & logistics | 2008 |
| Kuljetus Marko Marttinen Ky | Transport & logistics | 1998 |
| Kultainen aika Oy | Health & social care | 2026 |
| Kuntomesta ky | Arts & recreation | 2023 |
| LP-Group Kangasniemi Oy | Manufacturing | 2007 |
| LVI-Hokkanen Oy | Construction | 2020 |
| LVL Auto-Sähkö Ky | Other services | 1983 |
| Leppäniemen Lomakartano Oy | Hospitality | 1997 |
| Logisteering Oy | Professional & scientific | 2009 |
| Lomatili Oy | Professional & scientific | 1992 |
| Lujametsä Oy | Agriculture & fishing | 2020 |
| Lääkäripalvelut Tasapaino Oy | Health & social care | 2013 |
| MTM Holding Oy | Professional & scientific | 2022 |
| Maansiirto Marttinen Oy | Construction | 2001 |
| Makkolan vesiosuuskunta | Water & waste | 1999 |
| Makouta Oy | Information & communication | 2018 |
| Makutarinat Oy | Manufacturing | 2022 |
| Mallos Beach Party Oy | Professional & scientific | 2026 |
| Manninen Software Oy | Information & communication | 2025 |
| Maresmer Oy | Professional & scientific | 2020 |
| Marine Center Kangasniemi Oy | Manufacturing | 2008 |
| Matikkaranta OY | Real estate | 1995 |
| Metsä Lahikainen Oy | Agriculture & fishing | 2008 |
| Metsätyö A&T Oy | Agriculture & fishing | 2021 |
| Metsätyö Manninen Oy | Agriculture & fishing | 2016 |