| Kiviranta 32 Oy | Real estate | 2017 |
| Kniteco Oy | Professional & scientific | 2021 |
| Konepalvelu Jeskanen Oy | Manufacturing | 2024 |
| Koneurakointi S & P Heikkinen Oy | Agriculture & fishing | 1996 |
| Korpikuusen Kuljetus Oy | Transport & logistics | 2007 |
| Kuljetusliike Jokijako Oy | Transport & logistics | 2012 |
| Kuljetusliike Malinen & Malinen Oy | Transport & logistics | 1977 |
| Kuljetusliike T. Pitkänen Oy | Transport & logistics | 1990 |
| Kustannuslaskenta Seppo Jehkonen & Kumpp. | Professional & scientific | 1996 |
| Kuukivi Betoni Oy | Manufacturing | 2000 |
| Kuusilahden Matkailu Ky | Hospitality | 2002 |
| KymppiMetsä Oy | Agriculture & fishing | 2024 |
| LK-Huolto Oy | Administrative & support | 1981 |
| LVI- ja Remonttipalvelu Keränen Oy | Construction | 2025 |
| LVI-Palvelu Hartwik Oy | Construction | 2025 |
| Lady Maribell Irmeli Karttunen Ky | Wholesale & retail | 1988 |
| Laretek ky | Construction | 2009 |
| Lavetoiva Oy | Transport & logistics | 2016 |
| Lead Transformation Group Oy | Professional & scientific | 2019 |
| Leinosen Sauna Oy | Arts & recreation | 2024 |
| Leppie Oy | Wholesale & retail | 2020 |
| LetsDo Oy | Administrative & support | 2023 |
| Lights on Events Oy | Arts & recreation | 2022 |
| Likka Consulting Oy | Professional & scientific | 2022 |
| Linja-autoliikenne A. Malinen Oy | Transport & logistics | 1994 |
| Liperin Ikkuna Oy | Manufacturing | 1983 |
| Liperin Kiinteistökolmio Oy | Real estate | 2015 |
| Liperin yrityskiinteistöt Oy | Real estate | 2019 |
| Lipertek Oy | Professional & scientific | 2019 |
| Luentopalvelu Helena Pirttisalo Oy | Health & social care | 2006 |
| Lyylin Löytönurkka Oy | Wholesale & retail | 2013 |
| M Jaskari Oy | Wholesale & retail | 2016 |
| Maalaus Reijonen Oy | Construction | 1994 |
| Maalaus- ja Laatoitusliike Jani Haavistola Oy | Construction | 2016 |
| Maansiirto- ja Soraliike Mutanen avoin yhtiö | Transport & logistics | 1987 |
| Mantsinen Group Ltd Oy | Professional & scientific | 1980 |
| Mapfire Oy | Professional & scientific | 2010 |
| Markkinointi- ja viestintätoimisto Kohteessa Oy | Professional & scientific | 2026 |
| MetsäSos Oy | Agriculture & fishing | 2019 |
| Mfibrils Oy | Professional & scientific | 2012 |
| Mieletyinen Oy | Health & social care | 2021 |
| MiiTec Oy | Professional & scientific | 2019 |
| Miway Oy | Other services | 2020 |
| Molentum Group Oy | Professional & scientific | 2008 |
| Molentum Oy | Information & communication | 2003 |
| Motelli Myllymaja Oy | Hospitality | 2006 |
| Myllyn Masina Oy | Administrative & support | 2014 |
| Myllyn Vanhat Autot Avoin yhtiö | Arts & recreation | 1998 |
| NHT-Tilipalvelu Ky | Professional & scientific | 2010 |
| NK-Kuljetus Oy | Transport & logistics | 2017 |
| NTK Investing Oy | Real estate | 2013 |
| Neljä veikkoa Oy | Real estate | 2022 |
| Neon-Karelia Ky | Manufacturing | 1984 |
| Nordvita Oy | Health & social care | 2025 |
| OMAKSI OY Kiinteistöt | Real estate | 2012 |
| Oneris Oy | Professional & scientific | 2020 |
| Onnenpussi Oy | Wholesale & retail | 2011 |
| Optima fide Oy | Health & social care | 2021 |
| PK Metsäpalvelut Oy | Agriculture & fishing | 2017 |
| Painekarjala Ky | Construction | 2005 |
| Parta Group Oy | Real estate | 2025 |
| Partakone Oy | Information & communication | 2021 |
| Patteristo Oy | Real estate | 2020 |
| Pekan Lämpöpumput Oy | Construction | 2023 |
| Peltirepo Oy | Wholesale & retail | 2008 |
| Peräkammari Oy | Other services | 2011 |
| Pesäpotti Oy | Financial services | 2010 |
| Petrin Holding Oy | Financial services | 2023 |
| Pikipohja Oy | Construction | 2005 |
| Pintaremontit Otronen Oy | Construction | 2019 |
| Pontus Holding Oy | Financial services | 2020 |
| Power Boiler Consulting Oy | Professional & scientific | 2018 |
| Priv Air Oy | Transport & logistics | 2011 |
| Pro-Machining Oy | Manufacturing | 2018 |
| Psykoterapia- ja psykologipalvelu Tiina Tuupainen Oy | Health & social care | 2022 |
| Pure Aresti Oy | Manufacturing | 2024 |
| Puteli Oy | Wholesale & retail | 1995 |
| Puunsiirto Pi-Ri Oy | Transport & logistics | 1998 |
| Puzzleteq Oy | Information & communication | 2004 |
| Päiväkoti Pikkutähti Avoin yhtiö | Education | 2008 |
| Rahtimestari OY | Transport & logistics | 2022 |
| Rakennus Harinen Oy | Construction | 2023 |
| Rakennus Vartiainen Oy | Construction | 2017 |
| Rakennusliike Kananen Ky | Professional & scientific | 1989 |
| Rakennusliike Lucotex oy | Construction | 2023 |
| Rakennusliike Marko Pesonen Oy | Construction | 2001 |
| Rakennusliike Piiroinen Oy | Construction | 2013 |
| Rakennuspalvelu Decorel Oy | Construction | 2017 |
| Rakennustoimisto Niemeläinen Oy | Construction | 2017 |
| Rakmat Oy | Construction | 2009 |
| Raminex Oy | Administrative & support | 1991 |
| Rekacon Oy | Construction | 1996 |
| Retiimi Oy | Hospitality | 1994 |
| Right Choice Oy | Arts & recreation | 2026 |
| Saniri Oy | Agriculture & fishing | 2025 |
| Simana Oy | Professional & scientific | 2012 |
| Sitate Oy | Arts & recreation | 2018 |
| Sole Mikhään Oy | Professional & scientific | 2019 |
| SonnSe Oy | Professional & scientific | 2009 |
| Sport Motors, J. Hytti Ky | Wholesale & retail | 1987 |