| 1333 Julia Vilkkinen Oy | Wholesale & retail | 2015 |
| 1805 Hanne Salminen Oy | Wholesale & retail | 2022 |
| A.H Install Oy | Construction | 2026 |
| AEN Construction Oy | Real estate | 2009 |
| AMS-production Ky | Information & communication | 1996 |
| ARM Services Oy | Wholesale & retail | 2025 |
| ATI-Teräs Oy | Manufacturing | 1989 |
| AV Bros Oy | Professional & scientific | 2024 |
| Anaconda Boats Oy R. Achrén & Sons | Manufacturing | 2021 |
| Arkihuoma Oy | Real estate | 1996 |
| Automo Moberg Oy | Other services | 1990 |
| Autopalvelu M Heikkilä Oy | Other services | 2013 |
| Boreal Kasvinjalostus Oy | Professional & scientific | 1999 |
| Boxapixels Oy | Professional & scientific | 2008 |
| Design Katto Oy | Construction | 2016 |
| Diginautti Oy | Information & communication | 2018 |
| Digiverkosto Oy | Professional & scientific | 2026 |
| ES Palvelut Oy | Financial services | 2020 |
| Fazli Kyyti Oy | Transport & logistics | 2025 |
| FinnMachinery Oy | Wholesale & retail | 2006 |
| Fixtool Oy | Manufacturing | 1985 |
| Forssan Autovuokraamo Oy | Administrative & support | 2023 |
| Forssan Ylinrakennus Oy | Construction | 2007 |
| Güzel & Räisänen Capital Oy | Financial services | 2025 |
| H E Kallioinen Oy | Construction | 1980 |
| H. & J. Vainio avoin yhtiö | Transport & logistics | 1995 |
| Hh-Installation OY | Manufacturing | 2015 |
| Ha Ha Kiinteistöt Oy | Real estate | 2008 |
| Hallikolmio Oy | Construction | 1990 |
| Heinämäki Oy | Manufacturing | 1976 |
| Hiusmuotoilu Talli 8 Oy | Other services | 2019 |
| Hoobee Oy | Professional & scientific | 2009 |
| Humppilan Myyntipalvelu Oy | Wholesale & retail | 1991 |
| Humppilan Rakennus-Team Oy | Construction | 1995 |
| Hunajaluotsi Oy | Professional & scientific | 1990 |
| Huoltoasema Tapio Virkkunen & Co | Wholesale & retail | 1987 |
| Höyrywelho Osakeyhtiö Oy | Manufacturing | 2014 |
| INSTOK Oy | Professional & scientific | 2021 |
| Ikona Oy | Administrative & support | 2022 |
| IloMaaKari Oy | Real estate | 2024 |
| Innovalmentajat Oy | Professional & scientific | 2025 |
| Insinööritoimisto TAS-Tekniikka Oy | Professional & scientific | 1990 |
| J. Lagerstam Oy | Transport & logistics | 1994 |
| Jokioisten Ikkuna-Team OY | Construction | 2024 |
| JPS Saneeraus Oy | Construction | 2025 |
| Jalasjoki Holding Oy | Administrative & support | 2026 |
| Jani Sarin Oy | Other services | 1999 |
| Jarkir Oy | Financial services | 2004 |
| Joki-Isännöinti Ky | Real estate | 2021 |
| Joki-Tilit Ky | Professional & scientific | 1993 |
| Jokiläänin Koneurakointi Oy | Construction | 2024 |
| Jokiläänin Osuuspankki | Financial services | 1921 |
| Jokiläänin Tili Oy | Professional & scientific | 2025 |
| Jokioisten Fysioterapia Oy | Health & social care | 1989 |
| Jokioisten Isännöinti Oy | Real estate | 2023 |
| Jokioisten Lankatehdas Oy | Manufacturing | 2011 |
| Jokioisten Leipä Oy | Manufacturing | 1998 |
| Jokioisten Muototeräs Oy | Manufacturing | 1998 |
| Jokioisten Ravipalvelu avoin yhtiö | Education | 2004 |
| Jokioisten Sähkö Oy | Construction | 1948 |
| Jokioisten Tilitoimisto Oy | Professional & scientific | 1987 |
| Jokioisten Vedenhankinta Oy | Water & waste | 1951 |
| Jokiotech Oy | Manufacturing | 2017 |
| Jokirannan kiinteistöpalvelut Oy | Real estate | 2021 |
| Jomeco Oy | Manufacturing | 1990 |
| Jorpek Oy | Construction | 1988 |
| Jukka Mäkilä Ky | Construction | 1987 |
| Jupura Oy | Construction | 2024 |
| KF-KotiHoito Oy | Health & social care | 2019 |
| KMJ-Duaali Oy | Administrative & support | 2011 |
| KR Finland Oy | Other services | 2015 |
| KS & Co Taksi Oy | Transport & logistics | 2025 |
| Kaarnakoti Oy | Health & social care | 2007 |
| Kapejube oy | Professional & scientific | 2024 |
| Karppelin Enerkia Oy | Construction | 2021 |
| KetoCon Oy | Real estate | 2019 |
| Ki-Ta Oy | Real estate | 1993 |
| Kiinteistö Oy Jokioisten Kauppakeskus | Real estate | 1984 |
| Kiinteistö Oy Jokioisten Koskelo | Real estate | 1993 |
| Kiinteistö Oy Jokioisten Puupenni | Real estate | 2004 |
| Kiinteistö Oy Jokioisten Vuokra-asunnot | Real estate | 1993 |
| Kiinteistöhuolto A.Rannikko Oy | Administrative & support | 2020 |
| Kiinteistöosakeyhtiö Pellilänmäki | Real estate | 1999 |
| Komentaja OSK | Wholesale & retail | 2007 |
| Konekuormaus Seppänen Oy | Agriculture & fishing | 2008 |
| Konepaja E Virtanen Oy | Manufacturing | 1978 |
| Konepalvelu M.Männikkö oy | Agriculture & fishing | 2020 |
| Konetyö Koponen Oy | Construction | 2023 |
| Koneyritys Kakkonen Oy | Agriculture & fishing | 2000 |
| Kukkapalvelu Vihersi Oy | Wholesale & retail | 2017 |
| Kuljetus & Maanrakennus Väylä Oy | Transport & logistics | 2020 |
| Kuljetus J. Kakkonen Ky | Transport & logistics | 2012 |
| Kuljetusliiga Oy | Transport & logistics | 2008 |
| LNS-Kuljetus Oy | Transport & logistics | 2010 |
| LVI-Insinööritoimisto M. Pasuri Oy | Professional & scientific | 1997 |
| Leenan Kampaamo Ky | Other services | 1992 |
| Lehtisaaren Aftax Oy | Construction | 2010 |
| MM-Flow Oy | Construction | 2023 |
| MR TOP Team Oy | Manufacturing | 2005 |
| MS-Tuotanto Oy | Real estate | 1998 |