| A. Hallikainen Ky | Wholesale & retail | 1995 |
| A.M.A CONS Oy | Administrative & support | 2007 |
| Acarlar Oy | Hospitality | 2024 |
| Ajlan Umut Ky | Hospitality | 2016 |
| AlfaTerminal Oy | Transport & logistics | 2020 |
| Alsalink Oy | Transport & logistics | 2000 |
| Antonin Kala Oy | Agriculture & fishing | 2024 |
| Area5 Oy | Real estate | 2024 |
| Avoin Yhtiö Virojoen Kumikorjaamo | Wholesale & retail | 1982 |
| Bar Virolahti Ky | Hospitality | 2015 |
| Blacklace Oy | Other services | 2026 |
| CarVolt Oy | Other services | 2021 |
| DOIT300 Oy | Information & communication | 2009 |
| EM Shaft Engineering Oy | Professional & scientific | 2012 |
| EV Konetyö Oy | Construction | 2021 |
| East Coast Experience Finland Oy | Administrative & support | 2023 |
| Ellan Kala Oy | Wholesale & retail | 2011 |
| Esa Jähi Ky | Agriculture & fishing | 1980 |
| Forex Advisory Group Oy | Professional & scientific | 1992 |
| HSLD Finland Oy | Information & communication | 2026 |
| HakePekonmäki Oy | Manufacturing | 2024 |
| Hartexport Oy | Administrative & support | 1995 |
| Helsingin Painopalvelut Oy | Information & communication | 1995 |
| Heolni Oy | Construction | 2024 |
| Härksalmi Oy | Agriculture & fishing | 2026 |
| Iskra Cargo Oy | Transport & logistics | 2020 |
| Itä-Virojoen vesihuolto-osuuskunta | Water & waste | 2006 |
| J. Kuntsi Oy | Wholesale & retail | 1978 |
| JK-Louhinta Oy | Mining & quarrying | 1999 |
| Johtai OY | Other services | 2019 |
| JRV Transport Oy | Transport & logistics | 2000 |
| Joenvarren Kiinteistö Oy | Hospitality | 2024 |
| Joenvarren Tilitoimisto Oy | Professional & scientific | 2020 |
| Kelunen OY | Wholesale & retail | 2011 |
| KL-Terminal Services Ky | Transport & logistics | 2006 |
| Kaakkois-Suomen Turkis Kommandiittiyhtiö, M. Salli | Agriculture & fishing | 1978 |
| Kaakon Golf Oy | Arts & recreation | 2010 |
| Kaakon kumipojat Oy | Wholesale & retail | 2024 |
| Kaivuriurakointi Iivari Oy | Construction | 2014 |
| Kaksi Satamaa Oy | Information & communication | 2022 |
| Kaksisiskoa Oy | Hospitality | 2023 |
| Kalasomeri Oy | Wholesale & retail | 2023 |
| Karjanvälitys Ansas Ky | | 1980 |
| Kartussi Oy | Manufacturing | 1988 |
| Kellosalmen Lohi Oy | Agriculture & fishing | 1981 |
| Kiinteistö Kaitainen Oy | Real estate | 1998 |
| Kiinteistö Oy Vakuusrinne | Real estate | 1989 |
| Klamilan Satama Oy | Real estate | 2007 |
| Kone Kaitainen Oy | Wholesale & retail | 2017 |
| Kone Olli Oy | Other services | 2007 |
| Kukkapalvelu Havina Oy | Wholesale & retail | 2026 |
| KumiSami Oy | Construction | 2019 |
| Linjaporaus Lehtinen Oy | Mining & quarrying | 1999 |
| Lämpö Oy Murtalhontie | Energy | 1976 |
| Marko Tulkki Oy | Agriculture & fishing | 2024 |
| Martti Talsi Oy | Financial services | 1974 |
| Matworks Oy | Construction | 2009 |
| Metsä- ja puistopalvelu Korpas Ky | Agriculture & fishing | 2008 |
| Mikan Metsätyö Oy | Agriculture & fishing | 2025 |
| Monialapalvelu S&S Oy | Administrative & support | 2020 |
| Nakarin Kalanviljelylaitos Ky | Agriculture & fishing | 1987 |
| Nautics Oy | Information & communication | 2009 |
| PV Electrics Oy | Construction | 2025 |
| PVM Service Oy | Construction | 2025 |
| Pacific Logistic Oy | Transport & logistics | 2003 |
| Parturi-Kampaamo Niina Rahkonen Oy | Other services | 1993 |
| Pre Dek System Oy | Information & communication | 2012 |
| Projectdata International Oy | Wholesale & retail | 1990 |
| Proracing Oy | Wholesale & retail | 1979 |
| Puutyö Mässeli Oy | Construction | 2025 |
| Pylon Oy | Wholesale & retail | 1988 |
| Pyterlahden vesihuolto-osuuskunta | Water & waste | 2010 |
| Raskilan Kone ja Rauta Oy | Wholesale & retail | 2018 |
| Ravintola Alku & Juuri Oy | Hospitality | 2006 |
| Renkaat Performance Oy | Wholesale & retail | 2017 |
| Rentaphone Center Oy | Wholesale & retail | 1990 |
| SS Heavy Machine Service Oy | Manufacturing | 2024 |
| Sammalisen Sora Oy | Mining & quarrying | 2014 |
| Stroitelno Finansovaja Korporatsija, Suomen sivuliike | Construction | 2006 |
| Säkäpaja Oy | Wholesale & retail | 1998 |
| T&K Kirjanpito ja Isännöinti Avoin Yhtiö | Professional & scientific | 2013 |
| TouhuTimo Oy | Arts & recreation | 2024 |
| Turusen puutarha Ky | Wholesale & retail | 2006 |
| Twinmax Export Oy | Wholesale & retail | 2019 |
| Twinmax Group Oy | Professional & scientific | 2012 |
| Twinmax Oy | Wholesale & retail | 1997 |
| Urakointi Esa Jähi Oy | Agriculture & fishing | 1980 |
| Vihertalkkarit Oy | Administrative & support | 2010 |
| Viljavuori Oy | Agriculture & fishing | 2009 |
| Virojoen Joutsen Oy | Wholesale & retail | 1998 |
| Virojoen Pikku-Hukka Oy | Hospitality | 2006 |
| Virolahden Pesula Ky | Other services | 1989 |
| Visa Virolahden Saha Oy | Manufacturing | 1997 |
| WCargo Oy | Transport & logistics | 2003 |