| AAAAEC Services Oy | Information & communication | 1996 |
| AP - Business Oy | Professional & scientific | 2004 |
| APU Palvelukeskus Oy | Other services | 2014 |
| AT Inox Oy | Wholesale & retail | 2013 |
| Abext Oy | Administrative & support | 2017 |
| Airtec Oy M. Nummenranta | Construction | 1997 |
| Alistuvan Puusepät Ky | Construction | 1996 |
| Alvatech Luode Oy | Hospitality | 2007 |
| Auto- ja konekorjaamo R&R oy | Other services | 2022 |
| Avoin yhtiö Met-Set Service | Arts & recreation | 2003 |
| Barrco Holding Oy | Financial services | 2023 |
| CS craneservice Oy | Manufacturing | 2005 |
| CodeCube Brothers avoin yhtiö | Information & communication | 2006 |
| E. Mustajoki Oy | Transport & logistics | 1981 |
| Easy Saneeraus OY | Construction | 2025 |
| EBO-Sähkö Oy | Construction | 2005 |
| EW Tech Oy | Wholesale & retail | 2020 |
| Etelä-Suomen Timanttityö Hatakka Oy | Construction | 1988 |
| Fox Eristyspalvelu OY | Construction | 2011 |
| Finest Technologies Oy | Other services | 2015 |
| Gleam GG Oy | Real estate | 2023 |
| Grinding Center GC Oy | Manufacturing | 1996 |
| Growth Dock Oy | Financial services | 2019 |
| H. Ketonen Oy | Information & communication | 2012 |
| HB Service Oy | Manufacturing | 2008 |
| Hanset Oy | Wholesale & retail | 2009 |
| Heica Oy | Other services | 2020 |
| Huoltoasema Uotila Oy | Wholesale & retail | 1988 |
| Hyvinvoinnin Kotipolku Oy | Health & social care | 2018 |
| Hämeen Acera Oy | Construction | 1999 |
| Hämeen Kone ja Kuljetus Oy | Construction | 2017 |
| IFE System Oy | Wholesale & retail | 2023 |
| Ilmastointi ja Pelti Onni Ky | Construction | 1995 |
| J. Korkeakoski Ky | Transport & logistics | 1989 |
| Jaapuu Oy | Wholesale & retail | 2025 |
| JuRak Oy | Construction | 2021 |
| Jylpyn Pelti ja Asennus Mika Paavilainen kommandiittiyhtiö | Manufacturing | 1982 |
| Järventaustan kyläkuituosuuskunta | Information & communication | 2019 |
| KOH - KAE Suomi Oy | Wholesale & retail | 1994 |
| Kari Säilä ja Ismo Hietanen Ay | Agriculture & fishing | 2004 |
| Keto-Rakennus Oy | Construction | 1989 |
| Kiinteistö Oy Villa Nummenranta I | Real estate | 2010 |
| Kiinteistö Oy Villa Nummenranta II | Real estate | 2010 |
| Kiinteistöhuolto/Saneeraus T. Viljava Ky | Administrative & support | 2003 |
| Kone-Lilja Ky | Construction | 1975 |
| Kuljetus ja Maanrakennus Junno Oy | Transport & logistics | 2002 |
| Kuljetusliike A. Nieminen KY | Transport & logistics | 1985 |
| Kuljetusliike Simo Lehtonen Avoin yhtiö | Transport & logistics | 1988 |
| Kulkeeko Oy | Wholesale & retail | 2024 |
| Ky Eka-Pinnoite-Esa Nyfors | Construction | 1983 |
| LOPEN AJL Palvelut avoin yhtiö | Wholesale & retail | 2009 |
| LVI-Palvelu Laine Oy | Construction | 2008 |
| Lehtokurppa Oy | Agriculture & fishing | 2022 |
| Lopen Kulta Ky | Administrative & support | 1993 |
| Lopen LVI-Tekniikka Oy | Construction | 2011 |
| Lopen Laatumulta Ky | Construction | 1989 |
| Lopen Maanrakennus ja Multa Oy | Wholesale & retail | 1993 |
| Lopen Ykköspalvelu Oy | Construction | 2013 |
| Lumetria Oy | Professional & scientific | 2026 |
| Läyliäisten Paloasema Oy | Real estate | 2014 |
| MJH-Putki Oy | Construction | 2016 |
| Meka Rakennus Oy | Construction | 1994 |
| Metsäpalvelu Puusteri Oy | Agriculture & fishing | 2019 |
| Milako Oy Maansiirto | Construction | 2014 |
| Mustajoen Kiinteistöt Oy | Real estate | 1992 |
| Mustajoen Multajaloste Oy | Agriculture & fishing | 1985 |
| NB-Elementti Oy | Manufacturing | 1985 |
| NB-Seinä Oy | Manufacturing | 1994 |
| Nevelry OY | Professional & scientific | 2024 |
| NYS Rakennus Oy | Administrative & support | 2025 |
| Ohjelmapalvelut Tähtisade avoin yhtiö | Arts & recreation | 2012 |
| Omicor Oy | Other services | 2020 |
| Ovi-Rakenne Pulkkinen OY | Manufacturing | 1989 |
| Oy Luomumaa Ab | Agriculture & fishing | 1994 |
| PN Työturvallisuus Oy | Professional & scientific | 2025 |
| Panlex Oy | Manufacturing | 2016 |
| Panssarikolonna Oy | Arts & recreation | 2016 |
| Perustuskauppa Oy | Construction | 2021 |
| Pito-Korpela Ky | Hospitality | 1982 |
| Proässä Oy | Professional & scientific | 2018 |
| Purtsi-Motors Oy | Other services | 2024 |
| Päivin valinta Oy | Agriculture & fishing | 2025 |
| Rakennus Sulaoja Oy | Construction | 2012 |
| Rakennus Vatari Oy | Construction | 2006 |
| Rakennusliike Laatuisa Oy | Construction | 2025 |
| Rakennuspalvelu Koskinen Oy | Construction | 2017 |
| Rakis Oy | Construction | 2021 |
| Rautanelikko Oy | Real estate | 2012 |
| Ref Impro Oy | Wholesale & retail | 2024 |
| RemppaRuusu Oy | Construction | 2023 |
| Rhino Power Oy | Other services | 2009 |
| Ruunankorpi Oy | Financial services | 2022 |
| Rättivääpeli Oy | Wholesale & retail | 2016 |
| Sporttivartti OY | Administrative & support | 2011 |
| Sakurit Oy | Administrative & support | 1997 |
| Sami Kindt Oy | Wholesale & retail | 2008 |
| Seppo Lankinen Oy | Professional & scientific | 2006 |
| Show Light Oy | Administrative & support | 2016 |
| Studio Gemma Oy | Professional & scientific | 1995 |
| Sulakul Oy | Hospitality | 2012 |