| AKControl Ky | Professional & scientific | 2021 |
| Ab Scandinavian Design Oy | Professional & scientific | 1992 |
| Agency Games Oy | Information & communication | 2025 |
| Auto- ja Pienkonekorjaamo Penax Ky | Wholesale & retail | 1985 |
| Disas Fish Oy | Wholesale & retail | 2010 |
| Disas Oy | Wholesale & retail | 2009 |
| Esc consulting Oy | Financial services | 2026 |
| Hansto Oy | Professional & scientific | 2002 |
| Helapala Oy | Manufacturing | 1974 |
| Hovi Industries Oy | Transport & logistics | 2025 |
| JATI Invest Oy | Administrative & support | 2023 |
| JH Power Oy | Construction | 2015 |
| JM Metsäkulma Oy | Real estate | 1996 |
| Jari Tanskanen Oy | Construction | 2006 |
| Kauskote Oy | Manufacturing | 1977 |
| Ki-Sko Ky | Administrative & support | 2005 |
| Kiinteistö Oy Tesjoen Moreenimäki | Real estate | 1996 |
| Kiinteistöpalvelu DJP Oy | Real estate | 2021 |
| Koillisen Villa&Baukammer Oy | Construction | 2004 |
| Kuljetus & Kaivuu Nykänen Oy | Transport & logistics | 2002 |
| Kuljetusliike R. Felin Oy | Transport & logistics | 1982 |
| Kuusisen Kala Oy | Wholesale & retail | 2003 |
| Ky K.E.S.S. -Servis | Administrative & support | 1991 |
| Loviisan Betonikierrätys avoin yhtiö | Wholesale & retail | 2013 |
| Loviisan Viemäripalvelu Ky | Water & waste | 1992 |
| Lukkopalvelu V. Svärd Ky | Wholesale & retail | 1989 |
| M ja J Gustafsson Ky | Wholesale & retail | 1992 |
| MN-Carpet Oy | Construction | 2008 |
| Marjakangas Visio Oy | Information & communication | 2019 |
| Marko Virtanen Oy | Construction | 2009 |
| Markus Gustafsson Ky | Transport & logistics | 1996 |
| Mavericks Oy | Transport & logistics | 2019 |
| Nalco Finland Manufacturing Oy | Manufacturing | 2010 |
| Navinor Oy | Professional & scientific | 2000 |
| Osuuskunta OOKOO! | Administrative & support | 2015 |
| Oy Itä-Uudenmaan Sisäsaneeraus, Terjo Hinkkuri | Construction | 2006 |
| Oy Koruhoito - WAPRO - Smyckevård Ab | Wholesale & retail | 1993 |
| Oy VION & CO. Ltd. | Wholesale & retail | 2002 |
| Paras Uni Oy | Wholesale & retail | 2024 |
| Pepara Oy | Construction | 2007 |
| Perhekoti Juolukka Oy | Health & social care | 2002 |
| RS-Mauter Oy | Wholesale & retail | 1989 |
| Rahaton Oy | Financial services | 2021 |
| Rakennus Iiro Oy | Construction | 2007 |
| Rodvenex Oy | Wholesale & retail | 2006 |
| SF-Teli Oy | Real estate | 2006 |
| SaFire paloturva Oy | Construction | 2021 |
| Semikiire Oy | Financial services | 2024 |
| Tabant Oy | Transport & logistics | 1991 |
| Terrinic Oy | Transport & logistics | 1998 |
| Tilitoimisto C-Files Oy | Professional & scientific | 2023 |
| ToimistoRotta Oy | Professional & scientific | 2023 |
| Tommi Stengård Oy Ab | Administrative & support | 2000 |
| Transport Bomanza Oy | Transport & logistics | 2020 |
| Wide Invest Ab | Real estate | 2003 |
| Wide Skog Ab - Wide Metsä Oy | Wholesale & retail | 2009 |