| AJL Infra Oy | Construction | 2019 |
| Adoreith Oy | Professional & scientific | 2024 |
| Airismaan Lohi Oy | Agriculture & fishing | 1985 |
| Airismaan Saha Ky | Manufacturing | 1991 |
| Avoin yhtiö Ilmalahdet | Construction | 2007 |
| CTC-Production Oy | Information & communication | 2003 |
| Centto Oy | Wholesale & retail | 1994 |
| Euro-Forelli Oy | Agriculture & fishing | 1993 |
| Haapaniemi Motorsport & Service Oy | Other services | 2011 |
| Hansapuu Oy | Construction | 2003 |
| Hembau Oy | Construction | 2007 |
| Intense Group Oy | Manufacturing | 1986 |
| Jan-One Oy | Construction | 2011 |
| JoJuSaSa Oy | Hospitality | 2023 |
| Kaivuu ja kuljetus P & T Mäkelä Avoin yhtiö | Construction | 2002 |
| Kiinteistö Oy Röölänranta | Real estate | 2011 |
| Kirvestyö Santala Oy | Construction | 2016 |
| M.M. Lundén Oy | Financial services | 2010 |
| MTK Welding Oy | Construction | 2018 |
| Mainonnan suunnittelutoimisto Merja Kärkkäinen Oy | Professional & scientific | 1985 |
| Merengue Oy | Administrative & support | 2012 |
| MeriAiristo Oy | Hospitality | 2022 |
| NordQuarries Oy | Mining & quarrying | 2026 |
| O. Sarjovaara Oy | Manufacturing | 2025 |
| Oy Farm Fresh Ltd | Wholesale & retail | 1993 |
| P. Qvarnström Catering Oy | Hospitality | 2015 |
| Pianni Partner Oy | Professional & scientific | 2020 |
| Raeventus Oy | Professional & scientific | 1997 |
| Reijo Tapiola Oy | Transport & logistics | 1992 |
| Riemu ja Ratto Oy | Wholesale & retail | 2021 |
| Rimito Marin Oy | Manufacturing | 1989 |
| Rymeks Oy | Transport & logistics | 2020 |
| Rymättylän Paratiisisaaret Oy | Administrative & support | 2001 |
| Röölän Kala kommandiittiyhtiö | Agriculture & fishing | 1982 |
| Saariston Kaivuu ja Merikuljetus Oy | Transport & logistics | 2014 |
| Suomen Sillikonttori Oy | Manufacturing | 1975 |
| TEKOTILA Oy | Manufacturing | 2021 |
| Velkuan Lohiluoto Oy | Agriculture & fishing | 1995 |
| Ventra Oy | Wholesale & retail | 2010 |
| VirsonVR Oy | Wholesale & retail | 2016 |