| 3D-R.A.K Oy | Construction | 2021 |
| A&R Karhula Oy | Transport & logistics | 2019 |
| AK Unelmaherkku avoin yhtiö | Wholesale & retail | 2012 |
| AMP Group Oy | Financial services | 2026 |
| AapSa Oy | Construction | 2026 |
| Aappo Laitinen Oy | Construction | 2017 |
| Adde Infra Oy | Construction | 2021 |
| Ammattisankarit Oy | Health & social care | 2020 |
| Ampplance Oy | Professional & scientific | 2020 |
| Arewin Oy | Real estate | 2018 |
| Argonautti Oy | Professional & scientific | 2016 |
| Ari Oiva Ky | Transport & logistics | 1989 |
| Artiino Oy | Other services | 2014 |
| Asennuspalvelu M.Kesti Oy | Construction | 2021 |
| Autokorjaamo Jaakola Oy | Other services | 2023 |
| Berrytale Studios Oy | Information & communication | 2016 |
| Bingi Oy | Information & communication | 2021 |
| Blomsterin Lähikuva Oy | Professional & scientific | 1994 |
| Carbros Muhos OY | Wholesale & retail | 2020 |
| Country Deco Ky | Wholesale & retail | 2011 |
| Duhok Oy | Hospitality | 2023 |
| Dynave Oy | Information & communication | 2008 |
| EH Konsultointi Oy | Real estate | 1987 |
| EL-Tekniikka Oy | Construction | 2017 |
| ETP-Vahinkopalvelut Oy | Financial services | 1997 |
| Eeron Kone Oy | Construction | 2020 |
| Ekora Kiinteistöt Oy | Real estate | 2017 |
| Eledux Oy | Manufacturing | 2015 |
| Erkone Oy | Real estate | 2020 |
| Esplan Oy | Professional & scientific | 2019 |
| Finnoste OY | Education | 2007 |
| Filppula Invest Oy | Real estate | 2017 |
| FinQual Oy | Real estate | 2020 |
| Finn Upponostot Oy | Water & waste | 1994 |
| Finnature Oy Ltd | Administrative & support | 1999 |
| Finnsurvey Oy | Professional & scientific | 2023 |
| Finshore Consulting Oy | Professional & scientific | 2015 |
| Fragilet Ky | Information & communication | 1992 |
| HJ Projekti OY | Real estate | 2016 |
| HJM-Transport Oy | Transport & logistics | 2009 |
| Haiko Innovations Oy | Information & communication | 2025 |
| Hammaslääkäriasema Iloiset Hampaat Oy | Health & social care | 2001 |
| Hartikan Kuljetus Avoin yhtiö | Transport & logistics | 1995 |
| Hatfuls Oy | Professional & scientific | 2013 |
| Hauki-Vita Oy | Wholesale & retail | 2013 |
| Hoof Partners Oy | Arts & recreation | 2023 |
| Humanpolis Oy | Public administration | 2011 |
| Huugo Transport Oy | Construction | 2023 |
| Hydnum Oy | Manufacturing | 1989 |
| Ibestic Oy | Information & communication | 1997 |
| Ihmen Oy | Construction | 2022 |
| Inkwell Tattoo Parlour Oy | Other services | 2026 |
| Innosteel Oy | Manufacturing | 2021 |
| Insinööritoimisto Intova Oy | Professional & scientific | 2014 |
| Islanninhevostalli Öskudagur Oy | Arts & recreation | 2015 |
| Isosti Oy | Arts & recreation | 2020 |
| J & Sons Oy | Real estate | 2016 |
| J. ja S. Määttä Oy | Transport & logistics | 1989 |
| J.Lumiaho Oy | Construction | 2020 |
| J.M.Kerkelä Oy | Transport & logistics | 2001 |
| JHAL Consulting Oy | Real estate | 2023 |
| JKM-Sijoitus Oy | Financial services | 1989 |
| JLS Invest Oy | Real estate | 2022 |
| Jaakko Haataja Ky | Wholesale & retail | 1984 |
| Jatela Oy | Real estate | 2021 |
| Jouko Miettinen Oy | Transport & logistics | 1996 |
| JuJu Urakointi ja Vuokraus Oy | Agriculture & fishing | 2025 |
| Jullen Kone Oy | Construction | 2015 |
| Jätekuljetus Hagren Oy | Water & waste | 2025 |
| KH autovuokraus, -myynti ja -välitys Oy | Administrative & support | 2019 |
| Kino-Muhos OY | Real estate | 1956 |
| KOY Muhoksen Veturitie 8 | Real estate | 2019 |
| KOY Sepäntie 1 Muhos | Real estate | 2022 |
| KaJo Jäätelö Oy | Manufacturing | 2020 |
| Kaivurikuormaintyöt Kinnunen Ky | Construction | 1989 |
| Kanto-Rakennus Oy | Construction | 1994 |
| Karanteeni Parviainen Kommandiittiyhtiö | Construction | 1995 |
| Karho-ojan karjatila Oy | Agriculture & fishing | 2001 |
| Kari.J.Hartikainen Oy | Transport & logistics | 2011 |
| Karjalainen service Oy | Construction | 2023 |
| Kauneushoitola Lumoava Oy | Other services | 2020 |
| Kengityspalvelut R & A Juvani | Agriculture & fishing | 2010 |
| Keräsen automaalaamo avoin yhtiö | Other services | 2008 |
| Kiho Palvelut Oy | Administrative & support | 2018 |
| Kiinteistö Honkonen Oy | Financial services | 2020 |
| Kiinteistö Oy Huovila | Real estate | 2011 |
| Kiinteistö Oy Iisalmen Arvokiinteistö | Real estate | 2008 |
| Kiinteistö Oy Kiimingin Arvokiinteistö | Real estate | 2010 |
| Kiinteistö Oy Koivikonportti | Real estate | 2023 |
| Kiinteistö Oy Muhoksen Liikekeskus | Real estate | 2011 |
| Kiinteistö Oy Muhoksen Valtatie 21 | Real estate | 1985 |
| Kiinteistö Oy Muhoksen Vanhustentalo | Real estate | 1982 |
| Kiinteistö Oy Ormuspellontie 3-5 | Real estate | 2024 |
| Kiinteistö Oy Oulun Pauketie 10 | Real estate | 2018 |
| Kiinteistö Oy Pellinen | Real estate | 1987 |
| Kiinteistö Oy Piilorivi | Real estate | 1977 |
| Kiinteistö Oy Ratatie 38 | Real estate | 1982 |
| Kiinteistöhuolto Jokelainen Oy | Administrative & support | 2015 |
| Kiinteistöpalvelu Annola & Roininen Oy | Real estate | 1997 |
| Kiinteistöyhtiö MTA Oy | Real estate | 2008 |