| AMT-Veneet Oy | Manufacturing | 2005 |
| AsKisa Oy | Real estate | 2022 |
| Asennuspalvelu M. Kaasinen Oy | Construction | 2005 |
| Avatron Systems Oy | Manufacturing | 1995 |
| Deadwood Design Oy | Professional & scientific | 2022 |
| Demaic Oy | Professional & scientific | 2004 |
| EMV-Yhtiöt Oy | Professional & scientific | 2025 |
| Field Studies Oy | Professional & scientific | 2021 |
| Finn-Screenlight Oy | Wholesale & retail | 1993 |
| Hevini Oy | Real estate | 2013 |
| Itä-Suomen Pieneläintuhkaamo Oy | Other services | 2021 |
| JHR Sähkö Oy | Professional & scientific | 2019 |
| Jet-kiinteistöt Oy | Real estate | 2019 |
| JoenSolutions Oy | Manufacturing | 2020 |
| JoenTaiturit Oy | Construction | 2010 |
| Joensuun Kirjoitus- ja Ladontapalvelu Ky | | 1986 |
| Joensuun Muistomerkkihuolto Oy | Manufacturing | 2004 |
| Kaivu ja Kuljetus Kontkanen Ky | Transport & logistics | 1989 |
| Katemestarit Oy | Construction | 1991 |
| Kaucon Oy | Manufacturing | 1989 |
| KoneAri Oy | Professional & scientific | 2021 |
| Kontiolahden majoituspalvelut Oy | Hospitality | 2018 |
| Kontiolomat Oy | Hospitality | 2009 |
| Kuljetuspalvelu M. Heinijoki Oy | Transport & logistics | 2023 |
| Lemmikkihoitola Tassuparkki Oy | Other services | 2009 |
| Lämmin Koti Oy | Construction | 2013 |
| MV-Pro Rakennus Oy | Real estate | 2017 |
| Maalaamo Lehikoinen Oy | Construction | 1989 |
| Naali Solutions Oy | Information & communication | 2022 |
| Nukuttamo Oy | Health & social care | 2026 |
| Oplu Oy | Wholesale & retail | 2022 |
| Perioperative Solutions Oy | Health & social care | 2026 |
| Plasthill Oy | Manufacturing | 1996 |
| Puulaakso Kontioranta Oy | Hospitality | 2022 |
| Rak-Sa Pari Oy | Construction | 2022 |
| ReiKar Palvelut Oy | Hospitality | 2023 |
| Saaga Rakennus Oy | Manufacturing | 2010 |
| Saneerauspalvelu JE Works oy | Construction | 2025 |
| Sumaco Ky | Wholesale & retail | 2007 |
| Sähkö & Rakennus J. Pesonen Ky | Construction | 2012 |
| Thinglink Oy | Information & communication | 2010 |
| UniqMemo Finland Oy | Wholesale & retail | 2026 |
| Urakointi Maho Oy | Construction | 2014 |