| AP Honkanen Ky | Construction | 1992 |
| Ageragas Innovation Oy | Energy | 2016 |
| AnnPek Oy | Hospitality | 2019 |
| Asennustyö Mikko Ohranen ky | Construction | 1990 |
| Auden Oy | Agriculture & fishing | 2018 |
| Autohuolto A & T Poikonen Ky | Wholesale & retail | 1991 |
| Betset Betoni Oy | Manufacturing | 2009 |
| Betset Group Oy | Manufacturing | 1996 |
| Betset Oy | Manufacturing | 1978 |
| Caiwin Oy | Construction | 2000 |
| EJ Kuljetus Oy | Transport & logistics | 2012 |
| Erkki Kotanen Ky | Transport & logistics | 1986 |
| Esa Korpeinen Oy | Transport & logistics | 2001 |
| Henri Kotanen Oy | Transport & logistics | 1994 |
| Hill Marketing KY | Wholesale & retail | 1986 |
| J&V Saukko Oy | Mining & quarrying | 2007 |
| JM Pitkänen Oy | Manufacturing | 2007 |
| JiiPee Point Oy | Construction | 2015 |
| Jokisuu Works Oy | Manufacturing | 2019 |
| Jouscari Oy | Wholesale & retail | 2021 |
| KO Tulostekniikka Oy | Manufacturing | 1996 |
| KSN Metsä Oy | Agriculture & fishing | 2016 |
| Kaivuu Salama & Muhonen | Construction | 2025 |
| Kat Service Oy | Manufacturing | 2017 |
| Kenkä-Puu Oy | Wholesale & retail | 1996 |
| Kiinteistö Oy Kyyjärven Liikekeskus | Real estate | 1989 |
| Klapi Shoppi Oy | Construction | 2020 |
| Konepojat Pohjoiskangas avoin yhtiö | Construction | 2001 |
| Koneurakointi Black Peat Oy | Mining & quarrying | 2018 |
| Kyyjärven Energiaosuuskunta | Agriculture & fishing | 1999 |
| Kyyjärven Fysikaalinen Hoitolaitos Ky | Health & social care | 1988 |
| Kyyjärven Lämpö Oy | Energy | 2015 |
| Kyyjärven Maansiirto E. ja N. Kotanen | Construction | 1979 |
| Kyyjärven Osuuspankki | Financial services | 1922 |
| Kyyjärven Paletti Oy | Real estate | 1999 |
| Kyyjärven Road House oy | Hospitality | 2021 |
| Kyyjärven Turkin Pippuri Oy | Hospitality | 2021 |
| Kyyjärven Vuokra-asunnot Oy | Real estate | 1981 |
| Kyyjärvi Camping Oy | Hospitality | 2021 |
| Loma-Kopara Oy | Real estate | 1989 |
| Löytö-Investorit Oy | Financial services | 2015 |
| Metallituote Lahtinen Oy | Manufacturing | 2002 |
| NoPo Capital Oy | Real estate | 2024 |
| Noposenahon Tila Oy | Agriculture & fishing | 2025 |
| Oikarin Sora Oy | Transport & logistics | 2009 |
| Peltovuori Exploration Oy | Financial services | 2009 |
| Pentti Kantanen Ky | Construction | 1986 |
| Peuralinnan vesiosuuskunta | Water & waste | 1982 |
| RJ Met-Rak Oy | Construction | 2019 |
| Reijo Uusisalo Oy | Transport & logistics | 1988 |
| Rollsons Oy | Arts & recreation | 2013 |
| Soinin Saneeraus Oy | Construction | 1991 |
| Steel Production Maanselkä Oy | Manufacturing | 1995 |
| Sähköasennus Töpseli ja Roikka Oy | Construction | 1994 |
| Trans Bergman OY | Transport & logistics | 2012 |
| Taipaleen Teräs Oy | Manufacturing | 2012 |
| Tanja Ervasti-Rintala Ky | Wholesale & retail | 2000 |
| Tekewät Oy | Professional & scientific | 2024 |
| Topeekan Nahka-Aitta Ky | Wholesale & retail | 1995 |
| UpTec Oy | Manufacturing | 2024 |
| Veljekset Parkkonen Avoin yhtiö | Agriculture & fishing | 2005 |
| Wastetta Oy | Water & waste | 2020 |