| Kilvanen Ky | Real estate | 1990 |
| Kimmo Sampo Oy | Wholesale & retail | 1995 |
| Kisatupa Oy | Hospitality | 2008 |
| Kodinkonehuolto Ilkka Soini Ky | Other services | 2009 |
| Koirakoksi avoin yhtiö | Other services | 2025 |
| Kokemäen Konekeskus Oy | Wholesale & retail | 2011 |
| Kommandiittiyhtiö Pauli Jäykkä | Mining & quarrying | 1970 |
| Koneurakointi Petri Vahanen Oy | Construction | 2019 |
| Koneurakointi Pihala Oy | Real estate | 2011 |
| Korukeidas Oy | Wholesale & retail | 2013 |
| Kotihoito OnniKotona Oy | Health & social care | 2023 |
| Krusman Hätäsuihkut Oy | Wholesale & retail | 2017 |
| Kukkakatrilli Oy | Real estate | 1995 |
| Kuljetus Askonen Ky | Transport & logistics | 1981 |
| Kuljetus Hirvelä Oy | Transport & logistics | 1996 |
| Kuljetus J Teräs Oy | Transport & logistics | 2026 |
| Kuljetus J. Nurminen Oy | Transport & logistics | 2013 |
| Kuljetus Sami Salo Oy | Transport & logistics | 2015 |
| Kuninkaanmännyn Vesi Oy | Water & waste | 2018 |
| Kuunkajo Oy | Hospitality | 1996 |
| Kvanttikoodi Oy | Information & communication | 2018 |
| LMG Finland Oy | Wholesale & retail | 2011 |
| LP Vikahuolto Oy | Construction | 2019 |
| LPS Lämpöpumppu Service Oy | Construction | 2009 |
| Lilolaamia Oy | Construction | 2026 |
| Lintuvainio Oy | Agriculture & fishing | 2016 |
| Lomapokka Oy | Real estate | 1995 |
| Lounas Kahvila Armis avoin yhtiö | Hospitality | 1995 |
| Luonnonhelma Ky | Wholesale & retail | 1987 |
| Lännen Kivi Peltonen & Lehtonen | Manufacturing | 2000 |
| M Jäykkä Ky | Construction | 1990 |
| M. Äärilä Oy | Other services | 2001 |
| MKS Group Oy | Construction | 2020 |
| ML Tapahtumatalo Oy | Real estate | 2020 |
| MN-Huoltotekniikka Oy | Other services | 2002 |
| MT-TEK Oy | Other services | 2015 |
| Maatalousyhtymä A. ja H. Toivola avoin yhtiö | Agriculture & fishing | 2011 |
| Marhold Oy | Financial services | 1982 |
| Metsäkoneurakointi Yli-Hemminki Oy | Agriculture & fishing | 2002 |
| Microext Oy | Information & communication | 2013 |
| Multi-install Oy | Professional & scientific | 2008 |
| Mäkitalon Maistuvat Oy | Manufacturing | 2020 |
| Nevton dental Oy | Health & social care | 2025 |
| Nice Optikko Oy | Wholesale & retail | 2009 |
| NiittyFarmi Oy | Agriculture & fishing | 2015 |
| NokiRantala Oy | Administrative & support | 2026 |
| Nokipojat Lehtimäki Avoin yhtiö | Administrative & support | 2008 |
| Nosto ja Kuljetus Salomaa Oy | Transport & logistics | 2018 |
| Novarbo Oy | Manufacturing | 2010 |
| OptiVida Oy | Professional & scientific | 2022 |
| Osmantupa Eura Oy | Hospitality | 2001 |
| Ovitek Oy | Manufacturing | 2002 |
| Oy Hetecom Finland Ab | Manufacturing | 2001 |
| Oy Kreo Trading Ltd | Wholesale & retail | 1993 |
| P-J Graphics Oy | Professional & scientific | 1999 |
| PA Palvelut Oy | Transport & logistics | 2008 |
| PB-Media Oy | Information & communication | 2007 |
| Pekan Klapi ja Monitoimi Oy | Construction | 2012 |
| Peltisepänliike Erkki Mikola Ky | Construction | 1990 |
| Pienkonehuolto Heikkilä Oy | Other services | 2022 |
| Pintomet Oy | Administrative & support | 1981 |
| Pintopuu Oy | Manufacturing | 1956 |
| Pintos Group Oy | Real estate | 2025 |
| Pintos Oy | Manufacturing | 2018 |
| ProPar Oy | Professional & scientific | 2019 |
| Puusepänliike Valtonen Ky | Manufacturing | 1980 |
| Pyhäjärviseudun Paikallislehti Oy | Information & communication | 1997 |
| Pyhäjärviseudun Ympäristöhuolto Oy | Water & waste | 1992 |
| RMK Group Oy | Other services | 2025 |
| RP Fuel Oy | Wholesale & retail | 2019 |
| RTP-Rakennus Oy | Construction | 2007 |
| RaVaKoS Oy | Professional & scientific | 2010 |
| Rauman Terveyspalvelu Oy | Wholesale & retail | 2015 |
| Rauno Rosendahl Ky | Other services | 1980 |
| Saaremäki Oy | Real estate | 2007 |
| Santandez Oy | Other services | 2023 |
| Sar-Machine Oy | Wholesale & retail | 1982 |
| Sarin lounas- ja pitopalvelu Avoin Yhtiö | Hospitality | 2020 |
| SataBetoni Oy | Manufacturing | 2015 |
| Satacontract Oy | Construction | 2023 |
| Satakunnan Autopalvelu Oy | Wholesale & retail | 2021 |
| Secure Image Feed Oy | Information & communication | 2023 |
| Sertame Oy | Manufacturing | 2018 |
| Sijoitusyhtiö Vekoto Oy | Real estate | 2004 |
| Silkkipaino Satapaita Oy | Manufacturing | 2012 |
| Sleevetec Ky | Manufacturing | 1996 |
| Sorkkisoja Oy | Construction | 2026 |
| Starcke Oy | Manufacturing | 1989 |
| SuoDent Oy | Health & social care | 2025 |
| Suomen Lavavarasto Oy | Transport & logistics | 2022 |
| Suomen Teräsrakenne Oy | Manufacturing | 2018 |
| Suosaaren tila Oy | Agriculture & fishing | 2026 |
| Syster Ravintola Oy | Hospitality | 2022 |
| Sähkö-Seppo Oy | Construction | 2009 |
| Sähkörakennus M. Konttinen Oy | Construction | 1980 |
| TapioMatti Oy | Administrative & support | 2025 |
| Terästyö T. Salminen Oy | Manufacturing | 1989 |
| Tilitoimistobase Oy | Professional & scientific | 2024 |
| Toolsell Eura Oy | Wholesale & retail | 2024 |
| Trattoria mobile Oy | Hospitality | 2025 |