| Akabroo Oy | Professional & scientific | 1986 |
| Alahärmän Köykkärin Vesiosuuskunta | Water & waste | 1968 |
| Alahärmän Taimisto Avoin Yhtiö | Agriculture & fishing | 1982 |
| Alakaari Oy | Other services | 2003 |
| Anssi Kivimäki Oy | Agriculture & fishing | 2021 |
| H-Print Oy | Manufacturing | 1993 |
| H.S-Tuotanto Oy | Manufacturing | 2003 |
| Heimovirta Avoin yhtiö | Transport & logistics | 2005 |
| Heppu Oy | Construction | 2001 |
| Huhtaluhta Agro Oy | Agriculture & fishing | 2025 |
| Härmä Food Oy | Manufacturing | 2000 |
| Härmä Holding Oy | Financial services | 2023 |
| Härmän Perunannosto Oy | Wholesale & retail | 2001 |
| Härmän Savu- ja Palvituote Oy | Manufacturing | 1990 |
| Ikola Projects Oy | Professional & scientific | 2024 |
| J. Antila Turkistarha Oy | Agriculture & fishing | 1994 |
| Janne Kojonen Oy | Agriculture & fishing | 1995 |
| Jarinkirnu Oy | Construction | 2004 |
| Javo Oy | Agriculture & fishing | 2015 |
| Juhani Rintakangas Oy | Agriculture & fishing | 1996 |
| Kaappolan Turkis Oy | Agriculture & fishing | 2002 |
| Kalliokoski Group Oy | Financial services | 2024 |
| Knuuttila Kiinteistöt Oy | Real estate | 2013 |
| Kolimäen Metsä & Metalli Oy | Manufacturing | 2023 |
| Koneurakointi Filppula Oy | Agriculture & fishing | 2007 |
| Koneurakointi J. Niemi Oy | Construction | 2014 |
| Kuljetus Latvala Oy | Transport & logistics | 1998 |
| Kuljetusliike Mika Laakso Oy | Transport & logistics | 1995 |
| Kärmesmäki Oy | Construction | 2004 |
| LVI-ÖVERMARK Ky | Construction | 2013 |
| Lakeuden Sammutinpalvelu Oy | Manufacturing | 2012 |
| Maanrakennus Jari Knuuttila Oy | Construction | 2002 |
| Maanrakennus Kujala Oy | Construction | 2007 |
| Northeon Oy | Professional & scientific | 2026 |
| Nurmon Vuokrakiinteistöt Oy | Real estate | 2007 |
| Pauli Laakso Oy | Professional & scientific | 2023 |
| Piglet Oy | Agriculture & fishing | 2011 |
| Polar Bear Company Finland Oy | Professional & scientific | 2018 |
| Poromaa Oy | Agriculture & fishing | 2020 |
| Raimo Mattila Kommandiittiyhtiö | Professional & scientific | 1976 |
| RenAri Oy | Manufacturing | 2024 |
| Riihikangas Oy | Manufacturing | 1988 |
| SH Works Oy | Administrative & support | 2026 |
| Tetrama Oy | Professional & scientific | 2012 |
| Tirppa Solutions Oy | Manufacturing | 2026 |
| Turkistarha E & L Pukkila Oy | Agriculture & fishing | 1996 |
| Turkistarha Harri ja Tapio Risikko | Agriculture & fishing | 1984 |
| Turkistarha Heino Isotalo Oy | Agriculture & fishing | 1995 |
| Turkistarha Vesa Kalijärvi Oy | Agriculture & fishing | 1994 |
| Tweg Company Ky | Construction | 2008 |
| Tweg Roof Oy | Manufacturing | 2017 |
| Töppötassut Oy | Other services | 2026 |
| Voltin Peltikeskus Oy | Construction | 2002 |
| Vuoskosken Koneurakointi Oy | Administrative & support | 2019 |