| Ab KRS Tinka Oy | Hospitality | 2010 |
| Ab Konva-Center Oy | Wholesale & retail | 2007 |
| Ab MG-Works Kristina Oy | Professional & scientific | 2007 |
| Ab NiDaWi Oy | Real estate | 2025 |
| Ab Potato-Invest Oy | Transport & logistics | 2007 |
| Ab WestFarm Oy | Agriculture & fishing | 2010 |
| Back Service Öppet Bolag | Manufacturing | 2024 |
| Bröderna Lillås | Agriculture & fishing | 1983 |
| Bötombergen Rekreation Anl | Other services | 2007 |
| DS Engineering Ab Oy | Professional & scientific | 2012 |
| E&E Invest Öppet bolag | Wholesale & retail | 2015 |
| Electrocon Kristinestad Oy Ab | Professional & scientific | 1996 |
| GMI Service Oy Ab | Manufacturing | 2016 |
| H&H-Entreprenad Öppet bolag | Administrative & support | 2013 |
| HG-8 Group Oy Ab | Professional & scientific | 2007 |
| JN Kiinteistö Invest Oy | Real estate | 2025 |
| Jelbo Ab Oy | Construction | 2014 |
| Kb Eko-Konva Ky | Wholesale & retail | 2010 |
| Kribas Oy Ab | Other services | 1992 |
| Krokfors Plåt Öppet bolag | Construction | 2025 |
| Krs Jomek Ab Oy | Manufacturing | 2009 |
| LM Forest Ab Oy | Agriculture & fishing | 2015 |
| MittsMek Ky Kb | Manufacturing | 2014 |
| Oy EBO Invest Ab | Financial services | 2024 |
| Oy Hairaa Ab | Administrative & support | 2024 |
| Oy Krikoma Ab | Wholesale & retail | 2024 |
| Oy Krs A-Sähkö Ab | Construction | 1992 |
| Oy Krs Automaatio-Automation Ab | Professional & scientific | 1994 |
| Oy Rolf Ek Ab | Transport & logistics | 1990 |
| Oy T.Nygård Ab | Real estate | 1988 |
| Paulin Paja Ky | Construction | 2021 |
| Potato-Process Öppet bolag | Manufacturing | 2004 |
| Påskmark Vattenandelslag | Water & waste | 2003 |
| Sotning Svahn Nuohous OY AB | Administrative & support | 2013 |
| Seaside Harvesting Öppet bolag | Construction | 2013 |
| Söderlunds Hembageri öppet bolag | Manufacturing | 1990 |
| Tjöck Bilservice Kurt Erlands Kommanditbolag - Tiukan Autohuolto Kurt Erlands Kommandiittiyhtiö | Wholesale & retail | 1970 |
| Tjöck Vatten Ab | Water & waste | 1992 |
| Öppna bolaget Erlands Product Avoin yhtiö | Manufacturing | 1967 |
| Österback Trä AB Puu OY | Manufacturing | 2024 |