| Nokian Biolämpö Oy | Energy | 2010 |
| Nokian Burgertalo Oy | Hospitality | 1994 |
| Nokian Döner Oy | Hospitality | 2025 |
| Nokian ERH-Putki Oy | Construction | 1988 |
| Nokian Events Oy | Arts & recreation | 2023 |
| Nokian Fysioterapia Ky | Health & social care | 1980 |
| Nokian Grillipalvelu Ag Ky | Hospitality | 2017 |
| Nokian Herkkutupa Oy | Hospitality | 2013 |
| Nokian JV-Saneeraus Oy | Administrative & support | 2018 |
| Nokian Jamastar Oy | Real estate | 2021 |
| Nokian Jäähalli Oy | Arts & recreation | 2016 |
| Nokian KAMI-Rakennus Oy | Construction | 2007 |
| Nokian Kierrätyskauppa oy | Wholesale & retail | 2025 |
| Nokian Kiinteistö-Pari Oy | Real estate | 1988 |
| Nokian Kiinteistöhuolto Oy | Administrative & support | 2009 |
| Nokian Kilpipaino Oy | Manufacturing | 2003 |
| Nokian Kivi Oy | Manufacturing | 2022 |
| Nokian Lastaus Oy | Transport & logistics | 2007 |
| Nokian Lehtiniemen alueen vesihuolto-osuuskunta | Water & waste | 2002 |
| Nokian Liiketalo Oy | Real estate | 1959 |
| Nokian Liikunta ja Viihdekeskus Oy | Arts & recreation | 1997 |
| Nokian Lukkohuolto Oy | Administrative & support | 1994 |
| Nokian Metallirakenne Oy | Manufacturing | 1976 |
| Nokian Muotiliike Oy | Financial services | 1983 |
| Nokian Nahkatuote Oy | Manufacturing | 1979 |
| Nokian Optometri Oy | Wholesale & retail | 1998 |
| Nokian Panimo Oyj | Manufacturing | 1991 |
| Nokian Piha ja Viherpalvelu Oy | Administrative & support | 2026 |
| Nokian Pizzamestarit Oy | Hospitality | 2020 |
| Nokian Putkiasennus Oy | Construction | 1995 |
| Nokian PuuSepät oy | Manufacturing | 2021 |
| Nokian Puutarhapalvelu Oy | Administrative & support | 1990 |
| Nokian Pyry Hockey Oy | Arts & recreation | 2013 |
| Nokian Ramirakennus Oy | Construction | 2014 |
| Nokian Raskaat Renkaat Oy | Manufacturing | 2005 |
| Nokian Rekkahallit Oy | Real estate | 1992 |
| Nokian Renkaat Holding Oy | Professional & scientific | 2002 |
| Nokian Renkaat Oyj | Manufacturing | 1987 |
| Nokian Ruiskupuriste Oy | Manufacturing | 1988 |
| Nokian S-Puu Oy | Wholesale & retail | 2003 |
| Nokian Sinisiivous Oy | Administrative & support | 2013 |
| Nokian Sukellustyö Oy | Professional & scientific | 2020 |
| Nokian Sähkötalo Oy | Wholesale & retail | 1996 |
| Nokian Sähkötekijät Oy | Construction | 1982 |
| Nokian TaxiCompany Oy | Transport & logistics | 2013 |
| Nokian Teollisuusapu Oy | Manufacturing | 1987 |
| Nokian Teollisuuskiinteistöt Ky | Real estate | 1964 |
| Nokian Tietoverkkotuote Oy | Wholesale & retail | 2002 |
| Nokian Tili- ja Kiinteistötoimisto Oy | Professional & scientific | 1973 |
| Nokian Tilipiste Oy | Professional & scientific | 1996 |
| Nokian Trukit Oy | Transport & logistics | 1994 |
| Nokian Valokuvatarvike Ky | Wholesale & retail | 1981 |
| Nokian Vaneritarvike Oy | Manufacturing | 2004 |
| Nokian Vauhtipiste Oy | Other services | 2026 |
| Nokian Verhoomo Ky | Other services | 1992 |
| Nokian Vesi Oy | Water & waste | 2014 |
| Nokian Vinkakuutio Oy | Real estate | 2009 |
| Nokian Vuokrakodit Oy | Real estate | 1963 |
| Nokian Väri Oy | Wholesale & retail | 1948 |
| Nokian Ylispään vesiosuuskunta | Water & waste | 2005 |
| Nokian sosiaali- ja terveysasema Oy | Real estate | 2025 |
| Nokian Ässä Oy | Financial services | 2010 |
| Nokianvirran Energia Oy | Energy | 2007 |
| Nokianvirta Oy | Wholesale & retail | 1997 |
| Nominal Rakennus Oy | Construction | 2019 |
| Noot Oy | Real estate | 2020 |
| Nordic Semantics Oy | Information & communication | 2024 |
| Nordic photo group Oy | Professional & scientific | 2018 |
| Nordwash Ky | Manufacturing | 1992 |
| North Living Oy | Wholesale & retail | 2023 |
| Northway Services Oy | Hospitality | 2026 |
| Nostokiinteistöt Oy | Real estate | 2006 |
| Nostonokia Oy | Construction | 2006 |
| Notariaatti & LKV Joensivu Oy | Professional & scientific | 2022 |
| Novex Oy | Construction | 2007 |
| Numeraali Oy | Professional & scientific | 2015 |
| NuohOks Oy | Administrative & support | 2025 |
| Nurmen sähkötekniikka oy | Construction | 2026 |
| Nusiva Oy | Financial services | 2026 |
| Näpy Oy | Information & communication | 2021 |
| Näästaksi Ky | Transport & logistics | 2002 |
| O.L Motorsport Oy | Arts & recreation | 2012 |
| Ogmaster OY | Construction | 2019 |
| OL Music Group Oy | Arts & recreation | 2025 |
| OL-Koneistus ja Vuokraus Oy | Manufacturing | 2018 |
| OL-Product Oy | Professional & scientific | 2018 |
| OMC Invest Oy | Professional & scientific | 2020 |
| OMT-Fysioterapia Huttunen Ky | Health & social care | 2010 |
| OS-Sähkö Oy | Construction | 2024 |
| Ohjelmapalvelu PKNYT Oy | Arts & recreation | 2017 |
| Oikein Group Oy | Wholesale & retail | 2026 |
| Oikkis Oy | Information & communication | 2017 |
| Ojalantien Vesiosuuskunta | Water & waste | 1997 |
| Olli Puhakka Oy | Wholesale & retail | 1997 |
| Omat Apurit Oy | Administrative & support | 2017 |
| On The Road Again Oy | Transport & logistics | 2020 |
| Opasta Oy | Real estate | 2019 |
| Optifi Oy | Financial services | 2009 |
| Optimal Search Oy | Professional & scientific | 2024 |
| Optimates Oy | Professional & scientific | 2022 |