| AM-Car Oy | Other services | 1992 |
| Alatupanen Oy | Agriculture & fishing | 2007 |
| Annalakodit Oy | Health & social care | 2010 |
| Astikkala Oy | Manufacturing | 2005 |
| Aurum Capital Oy | Real estate | 2011 |
| Auvo Laine Oy | Manufacturing | 2014 |
| Baltic Ortho Oy | Wholesale & retail | 2015 |
| Carelia Cosmetics Oy | Wholesale & retail | 2020 |
| CasaTrading Oy | Construction | 2009 |
| Certification Center CTCR Oy | Professional & scientific | 1998 |
| Datamerc Oy | Wholesale & retail | 1989 |
| E-Service OY | Other services | 2025 |
| Eliittihoiva Oy | Agriculture & fishing | 2015 |
| Etelä-Savon Turvamiehet Ky | Administrative & support | 2011 |
| EväsHelmi Oy | Hospitality | 2020 |
| Experience Oy | Arts & recreation | 1986 |
| Finnasta Ky | Manufacturing | 1980 |
| Finnraccoon Oy | Agriculture & fishing | 1980 |
| Fracon Oy | Wholesale & retail | 2024 |
| HPC hydrauliikka Oy | Professional & scientific | 2012 |
| Hautaustoimisto Laukkanen Ky | Other services | 1987 |
| Hoitokoti Annala Oy | Health & social care | 2019 |
| Hotelli Kesälahti avoin yhtiö | Hospitality | 2025 |
| Hyvä Plus Oy | Administrative & support | 1992 |
| Ikiteekkarit OY | Professional & scientific | 1997 |
| Issakainen Oy | Hospitality | 1980 |
| Itä-Suomen Monimestarit Oy | Construction | 2008 |
| Itä-Suomen asbestikartoitus Oy | Construction | 2019 |
| Jynec Oy | Professional & scientific | 2009 |
| Kesair OY | Manufacturing | 2011 |
| KalaPete oy | Wholesale & retail | 2008 |
| Kalatuuri Oy | Hospitality | 2009 |
| Kar-Wood Oy | Wholesale & retail | 1995 |
| Karelian Software Oy | Information & communication | 2023 |
| Karmed Oy | Transport & logistics | 2007 |
| Kasema-Yhtymä, avoin yhtiö | Mining & quarrying | 1996 |
| Kereli-Poroniemen vesiosuuskunta | Water & waste | 1997 |
| Kerimäen Rakennus Oy | Construction | 2021 |
| Kesel Oy | Construction | 2005 |
| Keski-Karjalan Minkki Oy | Agriculture & fishing | 1996 |
| Kesmac Oy | Manufacturing | 1993 |
| Kesäbio ky | Agriculture & fishing | 1990 |
| Kesälahden Kalastus Oy | Financial services | 1987 |
| Kesälahden Kodin Kalustetalo Oy | Wholesale & retail | 1986 |
| Kesälahden Konesavotta Oy | Agriculture & fishing | 1986 |
| Kesälahden Sähkö Ky | Construction | 1982 |
| Kesälahden Tekstiili A. ja E. Mikkonen Kommandiittiyhtiö | Wholesale & retail | 1980 |
| Kesälahden kalasatama osk | Transport & logistics | 2004 |
| Kiinteistöhuolto ja Koneurakointi Vävypojat Oy | Administrative & support | 2020 |
| Kikka ja Vesku Kosonen Oy | Construction | 2006 |
| Kone- ja Kiinteistötyöt Myllys Oy | Agriculture & fishing | 2025 |
| Koneasennus Kujala Oy | Other services | 2018 |
| Kultajärvi Oy | Hospitality | 2010 |
| Lakeland Karelia Oy | Administrative & support | 2019 |
| Lakiasiaintoimisto Immonen & Co Oy | Administrative & support | 1999 |
| Lasmar kommandiittiyhtiö Lasse & Martti Makkonen | | 1977 |
| Laukkasen Kala Oy | Manufacturing | 1995 |
| Lindeberg Holding Oy | Professional & scientific | 2024 |
| M. Kupiainen Oy | Wholesale & retail | 1981 |
| MHH-Tilit Oy | Professional & scientific | 2016 |
| MT Itäkulma Oy | Real estate | 1989 |
| Make Safe Ky | Professional & scientific | 2010 |
| Marjoniemi Garden Oy | Agriculture & fishing | 2013 |
| Mäkelän Mansikka Oy | Agriculture & fishing | 2017 |
| Mäntyniemen Ikihonka Oy | Education | 2009 |
| NMK-infra Oy | Professional & scientific | 2025 |
| Nobility House Oy | Administrative & support | 1999 |
| Oy Reel Rooster Ab | Administrative & support | 2020 |
| Oy SS-Finance Ab | Professional & scientific | 1999 |
| Oy Soyuz-Les Ltd | Agriculture & fishing | 1997 |
| PA Kone ja Kaivuu Oy | Construction | 2022 |
| PL-Cool Oy | Manufacturing | 2015 |
| Penan Turkis Ky | Manufacturing | 1985 |
| Piharanta Group Oy | Construction | 2023 |
| Puruveden Savukala Oy | Manufacturing | 1992 |
| Puuprisma Oy | Manufacturing | 1994 |
| Puutavaraliike I. Pölönen Oy | Wholesale & retail | 1978 |
| Päivystäjät24 Oy | Health & social care | 2023 |
| Rema-tilit kommandiittiyhtiö | Professional & scientific | 1989 |
| Rewinet Helsinki Oy | Professional & scientific | 1995 |
| Ruokkeen Lomakylä Oy | Hospitality | 1974 |
| SB Import Oy | Wholesale & retail | 2025 |
| Sahaus S ja T Littunen avoin yhtiö | Manufacturing | 1996 |
| Sekatyöliike Suokuokka Oy | Wholesale & retail | 2008 |
| Snappert Oy | Wholesale & retail | 2019 |
| Suomi-veneet Oy | Manufacturing | 1976 |
| Sähkö ja Kone J.Pennanen Oy | Construction | 2010 |
| T-Car Oy | Other services | 2025 |
| Tasty Tools Oy | Wholesale & retail | 2009 |
| Tikkisen Marjatila Oy | Agriculture & fishing | 2007 |
| TiliKikka Oy | Professional & scientific | 2019 |
| Tint Bar avoin yhtiö | Hospitality | 2021 |
| Työmies Tiainen Oy | Construction | 1996 |
| Ukonniemen Viini Oy | Manufacturing | 2024 |
| Vaalko-Tech OY | Agriculture & fishing | 2010 |
| Veipe Oy | Wholesale & retail | 2013 |
| VillaVelho Oy | Manufacturing | 2020 |
| Villalan jätevesiosuuskunta | Water & waste | 2011 |