| Alan Bros Oy | Financial services | 2022 |
| Anaheim Finland Oy | Information & communication | 1997 |
| Anjalankosken Kuntopiste Oy | Health & social care | 2007 |
| Anjalankosken Lujitemuovi Ky | Manufacturing | 1985 |
| Anjalankosken Metallinen Oy | Manufacturing | 1978 |
| Appkone Oy | Information & communication | 2016 |
| Apridos Oy | Hospitality | 1998 |
| Autokorjaamo Julin Ky | Other services | 1990 |
| Avet Avoin yhtiö | Professional & scientific | 2000 |
| Avoin yhtiö Kiinteistö Päätie 4 | Real estate | 1945 |
| Biopeltti Oy | Manufacturing | 2011 |
| Cogitago Oy | Education | 1975 |
| Data-Takomo OY | Information & communication | 2023 |
| Denis-Arya Oy | Hospitality | 2016 |
| Dynamont Oy | Manufacturing | 2000 |
| E.S. Riding Club Oy | Education | 2008 |
| Eläinklinikka Palmu Oy | Professional & scientific | 2021 |
| Finsulting Oy | Professional & scientific | 2026 |
| GPI Finland Oy | Manufacturing | 1993 |
| Global Business Services GBS Oy | Wholesale & retail | 2026 |
| Grillinksa Oy | Hospitality | 2011 |
| Hatsi Oy | Agriculture & fishing | 2021 |
| Headow Oy | Real estate | 2005 |
| Holdon Oy | Financial services | 2017 |
| Hopeajalka OY | Health & social care | 2019 |
| Häkätech Oy | Manufacturing | 2007 |
| IleX Services Oy | Manufacturing | 2025 |
| Inkeroisten Laatuosa Oy | Wholesale & retail | 2016 |
| Inkeroisten Sähköasennus Ky | Construction | 2018 |
| Inksan Siivous Oy | Administrative & support | 2024 |
| J.J Kiinteistöhuolto Ja Saneeraus OY | Administrative & support | 2019 |
| JEES Group Oy | Arts & recreation | 2020 |
| JM Ekoturve Oy | Water & waste | 1999 |
| Jarmo Toikka Oy | Construction | 1984 |
| Jeff-Sound Oy | Arts & recreation | 1992 |
| Jovelle Oy | Administrative & support | 2026 |
| K.P Talli Oy | Agriculture & fishing | 2025 |
| KT-Turkia Oy | Wholesale & retail | 2022 |
| Kaakon naula Oy | Wholesale & retail | 2022 |
| Kattopojat Oy | Construction | 1989 |
| Kelloliike Harri Korhonen Ky | Wholesale & retail | 1953 |
| Kiinteistö Oy Anjalankosken Hirventie 20 | Real estate | 1982 |
| Kiinteistö Oy Niittysaarentie 12 | Real estate | 2016 |
| Kiinteistöosakeyhtiö Lieksan Asema | Real estate | 2012 |
| Kone-Apu Kilpinen Oy | Construction | 2019 |
| Kotihilla Oy | Hospitality | 2018 |
| Kotkan Louhinta ja Maarakennus Oy | Construction | 1993 |
| Kuljetus Lääti Ky | Transport & logistics | 1985 |
| Kuusanlampi Oy | Financial services | 2001 |
| Kymen Autotalo Oy | Other services | 2023 |
| Kymen Avopalvelut Oy | Health & social care | 2015 |
| Kymen Putki ja Saneeraus Oy | Construction | 2010 |
| Kymi Kirjanpito Oy | Professional & scientific | 1993 |
| Köngäs-Pirtti Oy | Real estate | 1991 |
| LKS-Service Oy | Transport & logistics | 2014 |
| LVI-Apu Kilpinen Ky | Construction | 2015 |
| Laapas Sport Oy | Arts & recreation | 2025 |
| Lemonics Ky | Information & communication | 2004 |
| Louhinta Lehtinen Oy | Construction | 2014 |
| Lounaskahvila Inkeroinen Oy | Hospitality | 1993 |
| Marinkylän vesihuolto-osuuskunta | Water & waste | 2008 |
| Matkatoimisto Matka-Majuri Avoin yhtiö | Administrative & support | 2005 |
| Metsäkoneurakointi Heikki Väyrynen Ky | Agriculture & fishing | 2005 |
| Monipalvelu Ripatti Oy | Construction | 1997 |
| Mouldhill Oy | Agriculture & fishing | 2024 |
| Muuttolinnut Oy | Transport & logistics | 1999 |
| Myrskytuuli Oy | Administrative & support | 2001 |
| NASCOTEC Oy | Construction | 2001 |
| Nykin Many Oy | Construction | 2024 |
| Oskarin Kauppa Oy | Financial services | 2001 |
| Oy PTL Invest Ab | Professional & scientific | 2020 |
| Pohjois-Kymen maalaus Avoin yhtiö | Construction | 2005 |
| Projekticon Oy | Information & communication | 2017 |
| Punkanen Oy | Education | 2018 |
| Pyroll Kuitupakkaukset Oy | Manufacturing | 1961 |
| RBL Services Oy | Construction | 2024 |
| Sl-Gym OY | Arts & recreation | 2025 |
| SabRoo Oy | Transport & logistics | 2020 |
| SanVek Oy Ltd | Professional & scientific | 2020 |
| Seikkailuviikari Oy | Education | 2007 |
| Sinni Nordica Ky | Education | 2018 |
| Sisu Events Oy | Arts & recreation | 2019 |
| SixMax Oy | Administrative & support | 2023 |
| Solla-Trans Oy | Transport & logistics | 2014 |
| Stone Karppinen Oy | Manufacturing | 2013 |
| Stora Enso Anjalankoski Oy | Manufacturing | 1993 |
| Tehko OY | Manufacturing | 2024 |
| THC Finland Oy | Construction | 2023 |
| TML-Infra Oy | Construction | 2026 |
| Tenmax Oy | Construction | 2007 |
| Thunder Express oy | Transport & logistics | 2025 |
| Tili2000 Ky | Professional & scientific | 2024 |
| Turvamies IT Security Services Oy | Information & communication | 2021 |
| Unelmaansa Oy | Hospitality | 2021 |
| Urheilu - Aitta M. Sannela Ky | Wholesale & retail | 1978 |
| VA-Saneeraus avoin yhtiö | Construction | 2017 |
| VM Matinpoika Oy | Hospitality | 2015 |
| Viltrex Oy | Construction | 2025 |