| Napapiirin Teollisuushuolto Oy | Manufacturing | 2011 |
| NaturalEx Oy | Administrative & support | 2014 |
| Niesin kyläverkko osk | Information & communication | 2021 |
| NorTher Oy | Health & social care | 2008 |
| NordX Consulting Oy | Professional & scientific | 2023 |
| Nordkalottens Invest Oy | Professional & scientific | 2024 |
| Nordloop avoin yhtiö | Professional & scientific | 2003 |
| North Lapland Group Oy | Wholesale & retail | 2024 |
| NorthStay Oy | Hospitality | 2026 |
| NorthTile Oy | Construction | 2026 |
| Northern Dream Housing Avoin yhtiö | Hospitality | 2021 |
| Northern Life and Care Oy | Hospitality | 2025 |
| Norva supply Oy | Wholesale & retail | 2026 |
| Norvajärvi Arctic Resort Oy | Hospitality | 2019 |
| Norvamaja Oy | Hospitality | 2021 |
| OSJ Norwa Oy | Financial services | 2023 |
| Occasional bar Oy | Hospitality | 2016 |
| Olavi Kerkelä Oy | Construction | 2008 |
| Onnes Oy | Health & social care | 2021 |
| Ortonord Oy | Health & social care | 2012 |
| Osk Viveron | Administrative & support | 2006 |
| Ounassiika Oy | Agriculture & fishing | 2022 |
| Ounastuotanto Oy | Energy | 2001 |
| OvalRound Oy | Health & social care | 2016 |
| Own Land Oy | Public administration | 2016 |
| PM Rakennustyöt Oy | Construction | 2022 |
| PRO PoweriaPäivään Oy | Arts & recreation | 2018 |
| Palvelutuotanto ProLin Oy | Professional & scientific | 2020 |
| Pasekopu Oy | Real estate | 1993 |
| Pekas Ky | Administrative & support | 2019 |
| Perhe-ja Terapiapalvelut Sinirinta Oy | Health & social care | 2005 |
| Perttauksen Erämaa Safarit Ky | Administrative & support | 1991 |
| Pese ja Mene Oy | Other services | 2025 |
| PetsPoint Oy | Professional & scientific | 2021 |
| Pohjois-Suomen Lämpökuvaus Oy | Professional & scientific | 2016 |
| Pohjois-Suomen Radiologipalvelu Oy | Health & social care | 2024 |
| Pohjoisen Keino Oy | Construction | 2018 |
| Pohjolan Mittauspalvelu Oy | Professional & scientific | 2013 |
| Pohjolan Tehopurku Oy | Construction | 2013 |
| Poika Group Oy | Professional & scientific | 2022 |
| Poikayhtiöt Oy | Financial services | 2016 |
| Polar Remed Oy | Wholesale & retail | 2016 |
| ProService Lindroos avoin yhtiö | Professional & scientific | 2012 |
| Purkutyö57 Oy | Construction | 2016 |
| Pyhätunturin Loma Ab | Hospitality | 1988 |
| Qbex Solutions Oy | Arts & recreation | 2025 |
| R-Holding Oy | Health & social care | 2010 |
| R.M Kuljetus Ja Huolto OY | Transport & logistics | 2025 |
| RAMSA Oy | Professional & scientific | 2008 |
| ROI SEO Oy | Professional & scientific | 2025 |
| RakWise Oy | Professional & scientific | 2024 |
| Rakennus Velimat Oy | Construction | 2017 |
| Rakennus-Kyrö Oy | Construction | 2000 |
| Rakennus-Pencon Oy | Professional & scientific | 1994 |
| Rakennusliike Anssi Tuisku Oy | Construction | 2019 |
| Rakennusliike Pränä Oy | Construction | 2002 |
| Rakennuspalvelu Koskelo Oy | Construction | 2023 |
| Rakennuspalvelu LLT Oy | Professional & scientific | 2025 |
| Rakennuspalvelu Sirviö Oy | Construction | 2021 |
| Rakennuttajapalvelut Jarjotek Oy | Real estate | 2019 |
| Rassen Myynti Oy | Professional & scientific | 2022 |
| Ravintola Mehrin Oy | Hospitality | 2020 |
| Ravintola Mohseni Oy | Hospitality | 2023 |
| Ravintola rovaniemen aurinko Oy | Hospitality | 2014 |
| Realisointi Jave avoin yhtiö | Wholesale & retail | 2014 |
| Refeco Oy | Manufacturing | 2019 |
| Reindeer & Husky Farm Aurora Oy | Administrative & support | 2014 |
| Resner Oy | Information & communication | 2022 |
| Revontulirakentajat Oy | Construction | 2012 |
| RiLiTa Oy | Real estate | 2020 |
| RiRi Crafts Oy | Manufacturing | 2026 |
| Rinvest Oy | Hospitality | 2025 |
| RoHo Oy | Real estate | 2019 |
| Roi Thai Ravintola Oy | Hospitality | 2017 |
| RoiCar Oy | Other services | 2025 |
| RoiTEK Oy | Construction | 2021 |
| Roin Tili- ja Veropalvelut Ky | Professional & scientific | 1995 |
| Root of All Good Oy | Professional & scientific | 2022 |
| RovaRakentajat Oy | Construction | 2011 |
| Rovakaira Oy | Energy | 2001 |
| Rovakairan Verkonrakennus Oy | Construction | 2012 |
| Rovaniemen Aluetaksi Oy | Transport & logistics | 1996 |
| Rovaniemen Logistiikkapalvelut OY | Transport & logistics | 2015 |
| Rovaniemen Paras Pizza Oy | Hospitality | 1994 |
| Rovantika Oy | Real estate | 2024 |
| Rovapikkis Oy | Professional & scientific | 1993 |
| RunDog Oy | Wholesale & retail | 2013 |
| S Backman Ky | Transport & logistics | 2014 |
| SAMICO Oy | Wholesale & retail | 2026 |
| SLED Husky Adventures Oy | Administrative & support | 2025 |
| Saaren taksi Oy | Transport & logistics | 2016 |
| Saarenkoti Oy | Health & social care | 2023 |
| Saarenkylän Käyttöosa Oy | Water & waste | 1993 |
| Saarenkylän Sähköpalvelu Oy | Construction | 2024 |
| Saarenkylän Vakuutuspalvelut Oy | Financial services | 2011 |
| SagaForsell Oy | Arts & recreation | 2025 |
| Salava asiantuntijapalvelut Oy | Professional & scientific | 2021 |
| Salmon Invest Oy | Real estate | 2020 |
| Salvar Oy | Professional & scientific | 2019 |
| Samarund Ky | Wholesale & retail | 2002 |