| 1467 Tuija Rämö-Virtanen Oy | Wholesale & retail | 2016 |
| 2 Monkeys Oy | Wholesale & retail | 2022 |
| A-Pesti Oy | Other services | 2007 |
| A. Sokka Oy | Financial services | 2020 |
| AMEPO Oy | Hospitality | 2017 |
| Aaro Sepponen Oy | Financial services | 2002 |
| Ahinko Capital Oy | Financial services | 2020 |
| Aki Saarinen Oy | Financial services | 1994 |
| Alavuden Auto Oy | Wholesale & retail | 2001 |
| Alavuden Autokoulu Oy | Education | 1987 |
| Alavuden Betoni Oy | Manufacturing | 1988 |
| Alavuden Jäähalli Oy | Real estate | 2007 |
| Alavuden Kehitys Oy | Financial services | 2000 |
| Alavuden Kiinteistö- ja Tilitoimisto Oy | Professional & scientific | 1978 |
| Alavuden Kiinteistöpalvelu Ky | Real estate | 1986 |
| Alavuden Kumi Oy | Wholesale & retail | 1984 |
| Alavuden LVI Oy | Construction | 2009 |
| Alavuden Liikenne Oy | Transport & logistics | 1964 |
| Alavuden Lämpö Oy | Energy | 2014 |
| Alavuden Lääkintävoimistelu Oy | Health & social care | 1986 |
| Alavuden PT-Kone Oy | Agriculture & fishing | 2003 |
| Alavuden Paju Oy | Construction | 2006 |
| Alavuden Pelti ja Rakennus Oy | Construction | 2018 |
| Alavuden Pikahuolto Oy | Other services | 2009 |
| Alavuden Pizzeria Tropicana, avoin yhtiö | Hospitality | 2002 |
| Alavuden Pörssi Ky | Wholesale & retail | 1987 |
| Alavuden RA-SE-PARK Oy | Real estate | 2010 |
| Alavuden Trans Jäte Oy | Water & waste | 1995 |
| Alavuden Vuokra-asunnot Oy | Real estate | 1988 |
| Alavuden Vuokrakone Ky | Construction | 2014 |
| Alavuden Öljynpuristamo Oy | Manufacturing | 1997 |
| Alavus Automaatio Oy | Construction | 2002 |
| Alavus-Kirppis avoin yhtiö | Wholesale & retail | 1998 |
| Ari Kuismin Ky | Transport & logistics | 1987 |
| Assistentti Pilvola Oy | Administrative & support | 2026 |
| Asunmaa & Haapamäki | Construction | 2022 |
| Atso-Wood Ky | Manufacturing | 1987 |
| Aunite Oy | Real estate | 2004 |
| Autohakkis Oy | Other services | 2024 |
| Autosähkö Arto Ala-Vannesluoma Ky | Other services | 1989 |
| Avese Oy | Construction | 2015 |
| Axonita Oy | Financial services | 2021 |
| BTP Rakennesuunnittelu Oy | Professional & scientific | 2018 |
| Bala Oy | Manufacturing | 2008 |
| CNC-Rajalaakso Oy | Manufacturing | 2022 |
| Cardiidae Oy | Health & social care | 2020 |
| Cloudy Holding Oy | Information & communication | 2018 |
| Constuuri Oy | Information & communication | 2020 |
| Dinomi Oy | Real estate | 1992 |
| E-P 4Safety Oy | Administrative & support | 2024 |
| E-P:n Verkkopalvelut Oy | Information & communication | 1984 |
| Elo Partners Oy | Administrative & support | 2022 |
| Eploy Oy | Professional & scientific | 1990 |
| Erilla Teaming Oy | Education | 2022 |
| Euro-Machine Oy | Wholesale & retail | 2007 |
| Gemini Vista Oy | Professional & scientific | 2024 |
| Girls Hockey Center Oy | Arts & recreation | 2026 |
| Hangasojan Kämppä Oy | Real estate | 2000 |
| Harrin Grilli-Kahvio Oy | Hospitality | 1993 |
| Henkan Rauta Oy | Wholesale & retail | 2021 |
| Hi - Five Ky | Hospitality | 1991 |
| Huvilaveistämö Lamminmäki Oy | Construction | 2006 |
| Hyötyajoneuvohuolto JT-Asunmaa Oy | Other services | 2010 |
| Ict-Aito OY | Professional & scientific | 2009 |
| IJ puheterapiapalvelut Ky | Health & social care | 2012 |
| ITC-OK AITO osuuskunta | Information & communication | 2000 |
| Ingves Security Oy | Administrative & support | 2024 |
| J. Kaunisto Oy | Agriculture & fishing | 1991 |
| J3P Partners Oy | Real estate | 2018 |
| JES-Automation Instrumentation Oy | Professional & scientific | 2009 |
| Jenkkikassi Company Oy | Wholesale & retail | 2025 |
| Juturna Oy | Professional & scientific | 1991 |
| JuuSaPe Oy | Wholesale & retail | 2024 |
| Juuren Tila Oy | Real estate | 2025 |
| Järvi-Pohjanmaan Osuuspankki | Financial services | 1909 |
| KJT Kehitys Oy | Arts & recreation | 2025 |
| KR-Logistics Oy | Other services | 2010 |
| KaTahei Oy | Construction | 2026 |
| Kari Harjupatana Oy | Wholesale & retail | 1986 |
| Karsinakosken Sähkö Oy | Construction | 1995 |
| Kauniston Tilipalvelut Ky | Professional & scientific | 2008 |
| Kiinteistö Oy Alavuden Telekuja 1 | Real estate | 2012 |
| Kiinteistö Oy Alavuden Teollisuuspuisto | Real estate | 2005 |
| Kiinteistö Oy Karpinkulma | Real estate | 2002 |
| Kiinteistö Oy Koivulehto, Alavus | Real estate | 2012 |
| Kiinteistö Oy Kolisto | Real estate | 2015 |
| Kiinteistö Oy Kuivasjärven Hopeanranta | Administrative & support | 2004 |
| Kiinteistö Oy Kurikan Kemppari | Real estate | 1989 |
| Kiinteistö Oy Levinmaa | Real estate | 2001 |
| Kiinteistö Oy Sumpula | Real estate | 1985 |
| Kiinteistöpalvelu Peltokangas Oy | Administrative & support | 2022 |
| Kimmon Konepaja Oy | Other services | 2000 |
| Kirjavalinna Oy | Wholesale & retail | 2017 |
| Koneistus Välimäki & Jokiaho avoin yhtiö | Other services | 1996 |
| Konekaveri Oy | Construction | 2005 |
| Konepari Oy | Other services | 2004 |
| Konepyy Oy | Construction | 2020 |
| Konetuuri Oy | Wholesale & retail | 2026 |
| Kukkatalo Keskustan Kukka ja Hautaustoimisto Sepponen Oy | Wholesale & retail | 2004 |
| Kuortaneen Autokoulu Oy | Education | 1978 |