| 1662 Eija Arhonen Oy | Wholesale & retail | 2019 |
| AGH Palvelut Oy | Hospitality | 2025 |
| ASK Metsänhoito Oy | Agriculture & fishing | 2024 |
| Ahas Nolavi Oy | Financial services | 2021 |
| Ahokas-Yhtiöt Oy | Wholesale & retail | 1978 |
| Aimo Säynäjoki Oy | Agriculture & fishing | 1978 |
| Aisikon Oy | Manufacturing | 1994 |
| Ala-Kaarre Oy | Professional & scientific | 2008 |
| Amami Oy | Information & communication | 1994 |
| Arhosen korjaamo Ky | Manufacturing | 1995 |
| Arletek Ky | Manufacturing | 1992 |
| Asetalo Oy | Wholesale & retail | 1986 |
| AspenLog Oy | Transport & logistics | 2021 |
| Autohuolto Isokivijärvi Oy | Other services | 2012 |
| Autohuolto T. Luoma Oy | Other services | 2020 |
| Automyynti S. Nieminen Ky | Wholesale & retail | 1990 |
| Avoin yhtiö V. Iivonen & I. Kymäläinen | Wholesale & retail | 1989 |
| Camel Car Oy | Wholesale & retail | 2023 |
| Devtrade Oy | Wholesale & retail | 1994 |
| Digifysio oy | Education | 2023 |
| Dilana Kebab Pitzeria Ky | Hospitality | 1997 |
| Eaniqs OY | Manufacturing | 2003 |
| Eenibay Oy | Financial services | 2021 |
| Euhorse Oy | Arts & recreation | 2009 |
| FAN28 Oy | Hospitality | 2023 |
| Finn Kirta Oy | Wholesale & retail | 2026 |
| Finncont Group Oy | Manufacturing | 2007 |
| Finncont Oy | Manufacturing | 2002 |
| Fysiowirtaa Oy | Health & social care | 1991 |
| Gloss Group Oy | Manufacturing | 2024 |
| Guggelainen Oy | Hospitality | 2026 |
| Hakala Service Ky | Information & communication | 2006 |
| Hammaslääkäripalvelut T. Kähkönen Oy | Health & social care | 2016 |
| Hapetin Oy | Education | 2011 |
| Hauhuun vesiosuuskunta | Water & waste | 1995 |
| Heidi Tanhua Oy | Professional & scientific | 2020 |
| Helmien talo Oy | Wholesale & retail | 2009 |
| Helsingin Editele Oy | Professional & scientific | 2000 |
| I-Boxer Finland OY | Wholesale & retail | 2011 |
| IM-Service Ky | Construction | 2007 |
| Insinööritoimisto Oy Belaco Ab | Transport & logistics | 1992 |
| Intermedius Oy | Manufacturing | 2016 |
| JN Maahantuonti Ky | Wholesale & retail | 2011 |
| JS Transcom Oy | Transport & logistics | 2010 |
| JSP-Steel Oy | Manufacturing | 2011 |
| Juper OY | Administrative & support | 2021 |
| Jari Keskinen Oy | Transport & logistics | 1997 |
| Jartti-Rakenne Kommandiittiyhtiö | Construction | 1989 |
| Jita Oy | Manufacturing | 1990 |
| Jumak Oy | Hospitality | 2010 |
| Jyhi Oy | Transport & logistics | 2018 |
| Jäähdyspohjan vesiosuuskunta | Water & waste | 1993 |
| Kaks-Tilit OY | Professional & scientific | 2007 |
| Kauppakonttori OY | Wholesale & retail | 2021 |
| KK Real Estate and Investment Oy | Real estate | 2015 |
| Kajanus-Kujala Oy | Real estate | 2011 |
| Kantosen Metalli Oy | Manufacturing | 2018 |
| Keskinen Capital Oy | Financial services | 2022 |
| Keuruun Akku Oy | Energy | 2024 |
| Kiempe Oy | Professional & scientific | 2022 |
| Kiinteistö Oy Illansuu | Real estate | 1977 |
| Kiinteistö Oy Kanttorinrinne | Real estate | 1979 |
| Kiinteistö Oy Umpipohja | Real estate | 1989 |
| Kiinteistö Oy Virtain Lin-Ter | Real estate | 1994 |
| Kiinteistö Oy Virtain Opiskelija-asuntolat | Real estate | 1982 |
| Kiinteistö Oy Virtain Torikulma | Real estate | 1974 |
| Kiinteistö Oy Virtain Veteraanit | Real estate | 1974 |
| Kiinteistö Oy Virtain Vuokratalot | Real estate | 1989 |
| Kiinteistö-osakeyhtiö Virtain Koivukuja 8 | Real estate | 1991 |
| Kiinteistövirrat Oy | Real estate | 1987 |
| Killin Voima Oy | Energy | 1955 |
| Kirstin Galleria, avoin yhtiö | Arts & recreation | 1994 |
| Klopit Oy | Financial services | 2015 |
| Koillis-Satakunnan Sähkö Oy | Energy | 1948 |
| Kolarikorjaamo ja Automaalaamo Iivonen Oy | Other services | 2010 |
| Kone Wirrat Oy | Wholesale & retail | 2023 |
| Koneurakointi Timo Tamminen kommandiittiyhtiö | Agriculture & fishing | 1979 |
| Kossi Invest Oy | Real estate | 2026 |
| Kristillinen Kirja- ja Musiikkikustannus KKJMK Oy | Information & communication | 2005 |
| Kukka- ja hautauspalvelu Kukka-Riitta avoin yhtiö | Other services | 2021 |
| Kuljetus Niinistö Oy | Transport & logistics | 2019 |
| Kuljetusliike Marko Pohja Oy | Transport & logistics | 1996 |
| Kultaranta Consulting Oy | Professional & scientific | 2014 |
| Lakarinharju Camping Oy | Hospitality | 2020 |
| Lampinen Capital Oy | Financial services | 2026 |
| Lappeenrannan Liikunta & Solariumkeskus avoin yhtiö | Other services | 1988 |
| Liiketila Virpaka Oy | Real estate | 2024 |
| Linearc Oy | Information & communication | 1997 |
| Love what you do Oy | Hospitality | 2021 |
| LumoavaVirrat Oy | Real estate | 2023 |
| Luppoilevi Oy | Financial services | 1988 |
| M & M Kaihola OY | Construction | 2016 |
| MLOT Asennus Oy | Manufacturing | 2024 |
| Maanrakennus Kai Anttila Oy | Construction | 2007 |
| Maanrakennus Lahdenperä Oy | Construction | 1996 |
| Markiisi Expert Finland Oy | Construction | 2019 |
| Markus Koro & Co | Professional & scientific | 1980 |
| Matkatoimisto PT-Matkat Oy | Administrative & support | 2020 |
| Me & Te Oy | Construction | 2019 |
| Mediaosuuskunta MusicActive | Professional & scientific | 2003 |