| 1052 Tarja Hirvimäki-Ylinen Oy | Wholesale & retail | 2013 |
| 1405 Sillanpää ja Udelius Oy | Wholesale & retail | 2015 |
| A & P Harju Oy | Professional & scientific | 2023 |
| A&L Maja Oy | Professional & scientific | 1990 |
| A&Le Kiinteistö Oy | Real estate | 2022 |
| AJM Capital Oy | Real estate | 2024 |
| ALTRU Consulting Oy | Professional & scientific | 2019 |
| AO Kuljetus Oy | Transport & logistics | 2020 |
| Aalto Osuuspankki | Financial services | 1925 |
| Ala-Nikkolan Laki- ja Kiinteistövälityspalvelut Oy | Professional & scientific | 2019 |
| Ame Huolto Oy | Construction | 1993 |
| Amos Stenvall & Co | Transport & logistics | 1962 |
| Anigra Oy | Administrative & support | 2000 |
| Annikin Grilli Ky | Hospitality | 2008 |
| Anttilan Verhoomo Ky | Manufacturing | 1978 |
| Auto-West Oy Kurikka | Wholesale & retail | 1995 |
| Autojyrä Ky | Wholesale & retail | 1978 |
| Autokorjaamo Salonen Oy | Other services | 2011 |
| Automaalaus Pasi Seppänen Oy | Other services | 2019 |
| Automyynti Saarakkala Oy | Wholesale & retail | 1973 |
| BLCS Fuel Optimizer Oy | Wholesale & retail | 2018 |
| Bar & Kitchen 61300 Oy | Hospitality | 2025 |
| Biobriketti Haavisto Oy | Manufacturing | 2010 |
| Botniapuu Oy | Manufacturing | 1980 |
| Brändipaja Oy | Administrative & support | 2016 |
| Closelabel OY | Manufacturing | 2019 |
| Caliterra Oy | Construction | 1997 |
| Cetira Oy | Manufacturing | 2017 |
| CloviRAK Oy | Manufacturing | 2020 |
| Comni Solutions Oy | Information & communication | 2019 |
| Copax Oy | Manufacturing | 2008 |
| DK ravintola Oy | Hospitality | 2021 |
| Datamill Oy | Financial services | 1993 |
| Dovas Oy | Agriculture & fishing | 2021 |
| Dream Customs Ky | Wholesale & retail | 2009 |
| E-P:n Lämpötekniikka Oy | Construction | 2015 |
| E-P:n Mobiiliasennus Oy | Construction | 2020 |
| E-P:n kauppiasosuuskunta | Professional & scientific | 2004 |
| ELKA Furniture Ky | Other services | 2005 |
| EP:n Apuvälinekeskus Oy | Manufacturing | 2010 |
| EP:n Tehdaspalvelu Oy | Professional & scientific | 1989 |
| ER Eeron Rakennus Oy | Professional & scientific | 2002 |
| Edustusliike Eila Yli-Opas Ky | Wholesale & retail | 1990 |
| Edustusliike Lehtonen Oy | Wholesale & retail | 2016 |
| Eira Nevanpään Taideliikuntakoulu Avoin yhtiö | Education | 2006 |
| Eira Viitala Oy | Professional & scientific | 2018 |
| Elhe Oy | Real estate | 2016 |
| Eläinklinikka Triksevä Oy | Professional & scientific | 2025 |
| Ensiapukaista Oy | Education | 2023 |
| Epeka Oy | Manufacturing | 2007 |
| Express-Kuva Oy | Professional & scientific | 2012 |
| Felson Education Oy | Wholesale & retail | 2011 |
| Femmefox Oy | Education | 2020 |
| FinHopper Oy | Agriculture & fishing | 2016 |
| Fit Kurikka Oy | Arts & recreation | 2021 |
| Fortaco Finland Oy | Manufacturing | 2012 |
| Fysikaalinen Hoitolaitos RAP Oy | Health & social care | 1994 |
| Fysioterapeutti Esa Silander Ky | Health & social care | 2006 |
| Fysioterapia Päivi Korpela Ky | Health & social care | 1991 |
| Fysioterapia-Hietikko Ky | Health & social care | 1982 |
| G-Power K.P Oy | Construction | 2025 |
| Green Connect Oy | Construction | 2010 |
| H. Ranta Oy | Transport & logistics | 1989 |
| HHD Invest Oy | Financial services | 2022 |
| HIS-Kiinteistöt Oy | Real estate | 1985 |
| HM Company Oy | Wholesale & retail | 2018 |
| HTAA Services Oy | Manufacturing | 2018 |
| Haapala Holding Ky | Transport & logistics | 2003 |
| Haapaniemi Capital Oy | Financial services | 2020 |
| Hakolan Oy | Education | 2007 |
| Hammaslaboratorio Harri Bredarholm Ky | Manufacturing | 1984 |
| Hamroni Oy | Other services | 2005 |
| Hautaharju Oy | Agriculture & fishing | 2016 |
| Hautala Heli Oy | Information & communication | 2022 |
| Hawuski Oy | Wholesale & retail | 2001 |
| Heidicon Oy | Arts & recreation | 2024 |
| Helmitech Oy | Wholesale & retail | 2019 |
| Henteri Oy | Real estate | 2023 |
| Hesline Oy | Hospitality | 1998 |
| HiljaHelena Ky | Hospitality | 2015 |
| Himpet Oy | Real estate | 2008 |
| Hismar Oy | Construction | 1999 |
| Hiussalonki Saksilla Ky | Other services | 2006 |
| Hoiskamäen vesijohto-osuuskunta | Water & waste | 2006 |
| Hoivakoti Niittyrinne Oy | Health & social care | 2011 |
| Hopiatuuli Kurikka Oy | Health & social care | 2006 |
| I-Racing Oy | Wholesale & retail | 1986 |
| IKARI STEEL Oy | Manufacturing | 2016 |
| IPM-Service Oy | Wholesale & retail | 2002 |
| Ilmajoen Lämpö Oy | Energy | 2000 |
| Inked Mystiqs Oy | Other services | 2026 |
| Insinööripalvelu Piian Paja Oy | Professional & scientific | 2011 |
| Insinööritoimisto Heikki Konsteri Oy | Professional & scientific | 1998 |
| Insinööritoimisto Leikas Oy | Professional & scientific | 1988 |
| J-P Mäkiranta Oy | Manufacturing | 1990 |
| JAS.Scrap Oy | Real estate | 2026 |
| JAVEJA Kiinteistö Oy | Real estate | 2009 |
| JM Kytölä Oy | Construction | 2023 |
| JOWIMA Oy | Education | 1981 |
| JS.Scrap Oy | Wholesale & retail | 2021 |