| Aasamaan vesi- ja maanrakennus Oy | Construction | 2012 |
| Aasaplan Oy | Professional & scientific | 2013 |
| Agro Suomi Oy | Agriculture & fishing | 2016 |
| Ahvenrannan Hallinta Oy | Financial services | 2025 |
| Ahvenrannan Infra Hallinta Oy | Financial services | 2026 |
| Alfasähkö Finland Oy | Construction | 1996 |
| Annan Tilitoimisto Oy | Professional & scientific | 2013 |
| Annantalo Oy | Real estate | 2010 |
| Anni Catering Oy | Hospitality | 2017 |
| Antiwet Oy Kuivaustekniikka | Construction | 1996 |
| Anttila Invest Oy | Real estate | 2021 |
| Anttilan Kuljetus Oy | Transport & logistics | 2021 |
| Anu Vainio Oy | Manufacturing | 2007 |
| Ari Vainio Oy | Construction | 1999 |
| Ari-Anna Oy | Manufacturing | 2015 |
| Aropork Oy | Wholesale & retail | 2018 |
| Autoliike Esko Suominen Oy | Wholesale & retail | 1981 |
| Avoin Yhtiö Jalokivihiomo Korukari | Manufacturing | 1987 |
| Avoin yhtiö JJ-Graniitti | Manufacturing | 1990 |
| Cape Context Oy | Professional & scientific | 2012 |
| Capitulum Oy | Financial services | 2008 |
| Clapey Oy | Wholesale & retail | 2022 |
| CombiStair Oy | Manufacturing | 2024 |
| Elonvilla Oy | Wholesale & retail | 2021 |
| Enmi Oy | Professional & scientific | 2024 |
| Evel-Palvelut Oy | Real estate | 2022 |
| Fcc-Mok OY | Construction | 2018 |
| Fallinranta Oy | Real estate | 1994 |
| FeelGreen Finland Oy | Wholesale & retail | 2010 |
| Fiskoli avoin yhtiö | Hospitality | 2019 |
| GeoTech-IT Oy | Information & communication | 2015 |
| Giroteam Oy | Transport & logistics | 1986 |
| GranWorks Oy | Construction | 2026 |
| Grillikahvila Meriportti Oy | Hospitality | 2017 |
| Hakkenpään viemäriosuuskunta | Water & waste | 2008 |
| Hakmarin Ky | Manufacturing | 1990 |
| Hannu Majander Oy | Administrative & support | 1989 |
| Heikolan Kuljetus Oy | Transport & logistics | 1984 |
| Hellman's Production Oy | Construction | 2011 |
| Hesapork Oy | Agriculture & fishing | 2004 |
| Hirvo & Tapola & Tuominen Ky | Manufacturing | 1986 |
| J & A Nieminen Oy | Hospitality | 1990 |
| J. Jaranti Oy | Construction | 2019 |
| JK Insinööripalvelut Oy | Professional & scientific | 2022 |
| JP Luolamies Oy | Real estate | 2015 |
| JS-Riskienhallinta Oy | Financial services | 2015 |
| Jani Lehtonen Oy | Construction | 2021 |
| Jasavi Ky | Construction | 2007 |
| Jere Anttila Oy | Professional & scientific | 2018 |
| Juuso Anttila Oy | Transport & logistics | 2018 |
| Jyvikki Oy | Real estate | 2009 |
| Jädewagen Oy | Wholesale & retail | 2024 |
| Kala Uotila Oy | Agriculture & fishing | 2019 |
| Kaluste Nero Oy | Manufacturing | 2020 |
| KalusteXpert Oy | Construction | 2019 |
| Karppinen Project Oy | Real estate | 2018 |
| Kauppapaikka Katiska Oy | Real estate | 2018 |
| Keskikala Oy | Agriculture & fishing | 2000 |
| Kistalli Oy | Hospitality | 1992 |
| Konepalvelut Juho Viherjälaakso Oy | Construction | 2018 |
| Koolink Oy | Manufacturing | 2012 |
| Koti Saaristossa Oy LKV | Real estate | 2020 |
| Kuljetus Jarkko Aalto Oy | Transport & logistics | 1997 |
| Kuljetus Juha Anttila Ky | Transport & logistics | 1985 |
| Kuntotaito Oy | Professional & scientific | 1987 |
| Kääriä Service Oy | Construction | 2019 |
| Lapin Silmätalo Oy | Wholesale & retail | 1996 |
| Liha-Rauma Oy | Wholesale & retail | 1997 |
| Lomatorpat Oy | Hospitality | 1978 |
| Louhen Väri Ky | Professional & scientific | 1996 |
| Luwattu Oy | Professional & scientific | 2024 |
| Lännen Graniitti Oy | Manufacturing | 2012 |
| Länsi-Rannikon Kala Oy | Manufacturing | 1973 |
| Lääkintäpalvelu Vital Oy | Health & social care | 1991 |
| Maanomistus Suomi Oy | Administrative & support | 2022 |
| Maritime Trading Finland Oy | Wholesale & retail | 2013 |
| Marjunen & K:nit | Construction | 1986 |
| Meidän Ranthuone Oy | Hospitality | 2019 |
| Meriheli Oy | Administrative & support | 2015 |
| Metsäpalvelu Vuorisalo Oy | Agriculture & fishing | 2021 |
| Miklat Oy | Professional & scientific | 2018 |
| Mofo Music Oy | Information & communication | 2008 |
| Myynti ja Konsultointi V. Seikola Ky | Professional & scientific | 2008 |
| Mökittä Oy | Professional & scientific | 2021 |
| Navakka Ky | Manufacturing | 1989 |
| Navive Oy | Real estate | 2020 |
| Nineon Oy | Wholesale & retail | 2021 |
| Novotra Oy | Administrative & support | 1993 |
| P. Kuhmonen Oy | Transport & logistics | 2010 |
| P.H. Tasopintaus Ky | Construction | 1990 |
| PS Merihydrauliikka Oy | Manufacturing | 1998 |
| Paine V & V Rakennus Oy | Construction | 2022 |
| Paint Nature Oy | Arts & recreation | 2020 |
| Penkkala & Co Oy | Arts & recreation | 2013 |
| Petlog Oy | Construction | 1995 |
| Piensoosittamo Oy | Wholesale & retail | 2021 |
| Piilinen Ky | Wholesale & retail | 1986 |
| Piispaluoto Oy | Households | 2021 |
| Pohjois-Vartsalan vesiosuuskunta | Water & waste | 2007 |
| Ponivilla Oy | Agriculture & fishing | 2024 |