| Kurikan Kolarityöt Ky | Administrative & support | 1987 |
| Kurikan Konepaja Oy | Manufacturing | 2008 |
| Kurikan Kontti Oy | Wholesale & retail | 1997 |
| Kurikan Konttori Oy | Professional & scientific | 2013 |
| Kurikan Kuivapuu Oy | Manufacturing | 1995 |
| Kurikan Kylmäkone Ky | Other services | 1991 |
| Kurikan LV-Asennus Ky | Construction | 1977 |
| Kurikan Lukko Oy | Wholesale & retail | 2019 |
| Kurikan Martar Kiinteistöt Oy | Real estate | 1999 |
| Kurikan Metalli Ky | Other services | 1981 |
| Kurikan Nuohous Kuoppakangas&Saanio | Administrative & support | 2019 |
| Kurikan Näkökulma Oy | Wholesale & retail | 2011 |
| Kurikan Pienkonehuolto Ky | Other services | 1999 |
| Kurikan Pintakäsittely Oy | Manufacturing | 2024 |
| Kurikan Putki Oy | Real estate | 1981 |
| Kurikan Puusepät Oy | Manufacturing | 1985 |
| Kurikan Rakennusmaalaus Oy | Construction | 2005 |
| Kurikan Raudoituspalvelu Oy | Construction | 1984 |
| Kurikan Ruoka- ja Taloustarvike Pentti Havuluoto Ky | Wholesale & retail | 1954 |
| Kurikan Ruokavankkurit osk | Hospitality | 2019 |
| Kurikan Ruostesuojaus Ky | Other services | 1999 |
| Kurikan Soffa-Pojat Oy | Wholesale & retail | 2010 |
| Kurikan Sähkötarvike Ky | Wholesale & retail | 1991 |
| Kurikan Säästöliekki Oy | Energy | 1974 |
| Kurikan Talotimpurit Oy | Construction | 2009 |
| Kurikan Tase Ky | Professional & scientific | 1998 |
| Kurikan Tenniskeskus Oy | Arts & recreation | 1991 |
| Kurikan Toimitilat Oy | Real estate | 2013 |
| Kurikan Treeni Maja Oy | Real estate | 2022 |
| Kurikan Tähti Kierrätys Oy | Wholesale & retail | 2008 |
| Kurikan Vesihuolto Oy | Water & waste | 2012 |
| Kurikan Yritystalo Oy | Real estate | 2007 |
| Kurikan kirpputori ky | Wholesale & retail | 2009 |
| Kurikka Kaluste Oy | Wholesale & retail | 1992 |
| Kurikka-Paino Kommandiittiyhtiö | Manufacturing | 1985 |
| Kurikka-lehti Oy | Information & communication | 1946 |
| Ky Bajonett' Jeans Kb | | 1982 |
| Kärrytien eläinasema oy | Real estate | 2010 |
| LICO Oy | Manufacturing | 1994 |
| LM-Tourula Oy | Agriculture & fishing | 2007 |
| LV-Asennus Tuomo Järvenpää Ky | Construction | 1983 |
| LVI-Ala-Lipasti Oy | Construction | 2017 |
| LVI-Ekoins Kommandiittiyhtiö | Professional & scientific | 1991 |
| LVI-Kuusi Oy | Wholesale & retail | 1989 |
| LVI-Pörssi Oy | Wholesale & retail | 1984 |
| Lakeuden Puhdistuspalvelut Oy | Administrative & support | 2014 |
| Lakeuden Treeni Maja Oy | Real estate | 2024 |
| Lakeuren Häjygrilli Oy | Hospitality | 2025 |
| Lasiset Oy | Manufacturing | 2024 |
| Laskentapalvelu Veikko Tuohimäki Oy | Professional & scientific | 1987 |
| LeeBU Oy | Professional & scientific | 2021 |
| Lekamaja Oy | Real estate | 2022 |
| Leninkiliike Anneli Kuusio kommandiittiyhtiö | Wholesale & retail | 1989 |
| Lesson Street Oy | Professional & scientific | 2007 |
| Liiga Racing Oy | Arts & recreation | 2020 |
| Locmeto Oy | Manufacturing | 1996 |
| Logistiikka Haapala Oy | Transport & logistics | 2009 |
| Lohi Met Oy | Manufacturing | 1989 |
| Lounasravintola Wanha Asema Oy | Hospitality | 2015 |
| Luotettava Terveytesi Lähde Oy | Wholesale & retail | 2024 |
| Lähde HMT Oy | Real estate | 2014 |
| Lähituotepuoti Kurikasta Ky | Wholesale & retail | 2017 |
| Lämpimällä Sydämellä Oy | Health & social care | 2019 |
| Lännen Aurinko Oy | Professional & scientific | 2022 |
| Lännen Biokaasu Oy | Energy | 2022 |
| Länsitien Auto, avoin yhtiö | | 1985 |
| M & O Kiili Ky | Wholesale & retail | 1953 |
| ME Varaosa Oy | Wholesale & retail | 2017 |
| MHP-Asennus Ky | Construction | 2002 |
| Mikko Törmä OY | Transport & logistics | 2021 |
| MK Fin Bellows Oy | Agriculture & fishing | 2022 |
| Maarakennus Velj. Jussila Oy | Construction | 2011 |
| Maaseutumedia Oy | Information & communication | 2014 |
| Madox Ky | Wholesale & retail | 1989 |
| Maiseri Oy | Administrative & support | 1992 |
| Markkinointi Mika Naukkarinen Oy | Wholesale & retail | 1996 |
| Merlin Medical Consulting Oy | Health & social care | 2024 |
| Mikko Hautaniemi Oy | Construction | 2022 |
| Mind it psykoterapiat Oy | Health & social care | 2025 |
| MoniMaru Oy | Hospitality | 2025 |
| Monnarin Murkinat Oy | Hospitality | 2022 |
| Muotiset L ja T Alanko-Luopa Ky | Wholesale & retail | 1986 |
| Mörköperän Konehuolto Oy | Manufacturing | 2021 |
| Nisuäijät Ky | Agriculture & fishing | 2013 |
| Northern Ligths Bothnia Oy | Construction | 2018 |
| Nosto ja Kuljetus J Korpela Oy | Construction | 2014 |
| Nummen Invest Oy | Real estate | 2018 |
| Ocean Dragon Oy | Hospitality | 2012 |
| Omj-Line Oy | Wholesale & retail | 1991 |
| Onnellinen Vaeltaja Oy | Professional & scientific | 2022 |
| Oy Global Care Finland Ltd | Manufacturing | 2009 |
| Oy Ilmajoen Maneesi | Real estate | 1994 |
| PJP-Design Ky | Manufacturing | 1991 |
| PK-Furniture Oy | Manufacturing | 1993 |
| Pamina Care Oy | Wholesale & retail | 1998 |
| Panttilan Rassaamo Oy | Real estate | 2013 |
| Pantu Oy | Real estate | 2026 |
| ParkSport Oy | Wholesale & retail | 2016 |
| Pauli Ahonen Oy | Manufacturing | 1995 |
| PeeHoo Sähkö Oy | Construction | 2018 |