| 1261 Sari Saukkonen Oy | Wholesale & retail | 2014 |
| Agentuuri Tuulia Oy | Professional & scientific | 2026 |
| Arktiset Kiinteistöt Oy | Hospitality | 1989 |
| Baltic Aviation Oy | Administrative & support | 2010 |
| Bar cafe Assa Oy | Hospitality | 2019 |
| Bussipalvelu E. Valkeapää Oy | Transport & logistics | 2006 |
| Corner Shop Nature Oy | Wholesale & retail | 2010 |
| Excaline Oy | Construction | 2024 |
| Fizland Oy | Wholesale & retail | 2018 |
| HeRo Ecosystem Consulting and Service Oy | Education | 2021 |
| Infrarock Jääskeläinen Oy | Construction | 2019 |
| J Naukkarinen Ky | Administrative & support | 2009 |
| J&V Terävä Oy | Administrative & support | 2011 |
| J.K.Lajunen Oy | Real estate | 2002 |
| JK Karpalo Oy | Hospitality | 2007 |
| JRV Rakennuskonevuokraamo Vuokrapiste Oy | Administrative & support | 1998 |
| Jobi Sound Oy | Wholesale & retail | 2016 |
| Joukion vesiosuuskunta | Water & waste | 2012 |
| Jupekon Oy | Professional & scientific | 2019 |
| Kaakon Terveys Oy | Wholesale & retail | 2026 |
| Kaivurityö Löppönen Oy | Construction | 2009 |
| Kalustepalvelu R. Lötjönen Ky | Manufacturing | 1982 |
| Kannaksen Nikkarit Oy | Construction | 1982 |
| Kannaksen viljankuivauskoneosuuskunta | Agriculture & fishing | 1957 |
| Karelia Fish Center Oy | Wholesale & retail | 2016 |
| Karjalan Konepaja Oy | Manufacturing | 1993 |
| Keller & Keller Oy | Education | 2025 |
| Kesäkirja Oy | Wholesale & retail | 1986 |
| Kiinteistö Oy Harjavallan Sievari | Real estate | 1994 |
| Kiinteistö Oy Tiviäntie 28 | Real estate | 2016 |
| Kiinteistöhuolto ja Rakennus Berg Oy | Administrative & support | 2026 |
| Koulutus- ja liikuntapalvelut Sarpakunnas Oy | Education | 2012 |
| Kuljetusliike Heinonen & Soikkeli Oy | Transport & logistics | 1993 |
| Kärkiseudun Kirja Ky | Wholesale & retail | 2002 |
| Käännöstoimisto Transmasters Ky | Professional & scientific | 1983 |
| LVI-Visio Oy | Construction | 1994 |
| Lege PK Oy | Information & communication | 2025 |
| Linnan Apu Oy | Other services | 2022 |
| MOT Invest Oy | Real estate | 1993 |
| MT Rakennus Construction Group Oy | Construction | 2014 |
| Mayamatkat Oy | Administrative & support | 2011 |
| Myllyvaaran Rahtikoneet Oy | Transport & logistics | 2003 |
| Parikkalan Autokoulu Ky | Education | 1977 |
| Parikkalan Autorahti Oy | Transport & logistics | 1993 |
| Parikkalan Autotarvike Oy | Wholesale & retail | 1972 |
| Parikkalan Kenkä Hilkka Auvinen Ky | Wholesale & retail | 1992 |
| Parikkalan Kone- ja Laitehuolto Oy | Manufacturing | 1982 |
| Parikkalan Maansiirto Ky | Construction | 1997 |
| Parikkalan Pika-Pulla Oy | Manufacturing | 1990 |
| Parikkalan Putkitus Oy | Construction | 1982 |
| Parikkalan Rauta Ky | Wholesale & retail | 1971 |
| Parikkalan Ravi- ja Markkinakenttäosakeyhtiö | Arts & recreation | 1949 |
| Parikkalan Sähkötaito Oy | Construction | 2017 |
| Parikkalan Valo Oy | Energy | 1936 |
| Parikkalan Väri Oy | Wholesale & retail | 1980 |
| Parviisi Oy | Real estate | 1992 |
| Rendia Oy | Professional & scientific | 2017 |
| Ristiharjun vesiosuuskunta | Water & waste | 2011 |
| SBW-Tuote Oy | Wholesale & retail | 2010 |
| Sonay Oy | Professional & scientific | 2005 |
| Suomen Rakennustuki Oy | Construction | 1989 |
| Taksi Paakkinen Oy | Transport & logistics | 2010 |
| TieKunto Oy | Administrative & support | 2019 |
| Tivener Oy | Agriculture & fishing | 2013 |
| UMT Tuonti Oy | Wholesale & retail | 2006 |
| Uido Oy | Information & communication | 2015 |
| Urheilu-Jussi Oy | Wholesale & retail | 2010 |
| Uudenmaan kone ja kuljetus Oy | Construction | 2021 |
| Vakuutuspalvelu Sanna Lötjönen Ky | Financial services | 1986 |
| Vantaan Kaivurit Oy | Construction | 2025 |
| Villa-Milla Oy | Hospitality | 2019 |
| Winsafe Oy | Transport & logistics | 2007 |