| Pacific Productions Oy | Transport & logistics | 2001 |
| Palosaaren poro- ja kalastustila Oy | Administrative & support | 2007 |
| Palosen Tila Oy | Agriculture & fishing | 2025 |
| Palvelu Multas avoin yhtiö | Transport & logistics | 1994 |
| Palvelukoti Kirsikka Oy | Health & social care | 1995 |
| Palvelulatomo Kuusamon-Seutu Kommandiittiyhtiö | | 1984 |
| Patrocon Oy | Professional & scientific | 2022 |
| Pehkosen Tila Oy | Agriculture & fishing | 2023 |
| Pehmo-Kuusamo Oy | Wholesale & retail | 2001 |
| Pektu Oy | Administrative & support | 2008 |
| Pelit ja Vehkeet Oy | Other services | 2016 |
| Pellit auki avoin yhtiö | Administrative & support | 2021 |
| Pellonpekko Oy | Financial services | 2014 |
| Peltisepänliike A. Alavuotunki Oy | Construction | 2021 |
| Perhekoti Koramo Oy | Health & social care | 1998 |
| Petäjälammen Herkku Oy | Manufacturing | 2012 |
| Petäjälammen Lomakylä Ky | Hospitality | 2014 |
| Pfeifer Nordics Oy | Manufacturing | 1969 |
| Pfeifer Timber GmbH, sivuliike Suomessa | Wholesale & retail | 2026 |
| Pharma Manninen Oy | Wholesale & retail | 2005 |
| Pienkonehuolto Liimatainen Oy | Manufacturing | 2009 |
| Pikkusen Oy | Hospitality | 2018 |
| Pinkki Taivas Oy | Wholesale & retail | 2019 |
| Pintavex Oy | Construction | 2024 |
| Pirttix Oy | Real estate | 2006 |
| Pitkäs pojat Oy | Real estate | 1983 |
| Pohjois-Pohjanmaan Vesi ja Lämpö Oy | Construction | 2016 |
| Pohjois-Suomen Hoitoakatemia Oy | Education | 2017 |
| Pohjoisen Sähkö Oy | Construction | 2026 |
| Pohjoisen Tunturipalvelut Ky | Hospitality | 2007 |
| Pohjolan Kievari Oy | Hospitality | 2018 |
| Pohjolan Kuituhitsaus Oy | Manufacturing | 2009 |
| Pohjolan luontojooga Oy | Arts & recreation | 2022 |
| PohjolanKukka Oy | Other services | 2021 |
| Polarkuu Ky | Administrative & support | 2021 |
| Polarum Oy | Other services | 2026 |
| Ponirinne Pony Farm Oy | Arts & recreation | 2026 |
| Posivento Oy | Health & social care | 2021 |
| ProLoma Oy | Administrative & support | 2006 |
| Purboire Oy | Manufacturing | 2020 |
| Pureled Oy | Wholesale & retail | 2021 |
| Purnun Vesiosuuskunta | Water & waste | 1985 |
| Puruntuk Oy | Health & social care | 2022 |
| Putkityö K. Meskus Oy | Construction | 2008 |
| PuuKuusamo avoin yhtiö | Construction | 1989 |
| Puubio Oy | Real estate | 2025 |
| Puumoto Ky | Agriculture & fishing | 1990 |
| Puusepänliike Pätsi Ky | Manufacturing | 2000 |
| Puustamo Oy | Manufacturing | 2016 |
| Puutavaraliike Puuruka Oy | Manufacturing | 1999 |
| Pynzi Oy | Arts & recreation | 2014 |
| Päiväkoti Kirsikka Ky | Education | 1989 |
| Päiväkoti Ullakaisa Ky | Education | 2002 |
| Päivänkakkaranne Oy | Health & social care | 1985 |
| Pätsi E & K Oy | Agriculture & fishing | 1986 |
| QXP-Service Oy | Wholesale & retail | 2000 |
| Qimmit Wild North Oy | Hospitality | 2026 |
| Qsamon Romu Oy | Construction | 2020 |
| RASE-Kuljetus Oy | Transport & logistics | 2010 |
| RM Kodit Oy | Real estate | 2024 |
| RPL Oy, Rakennuspalvelu Tuomo Lehto | Construction | 2020 |
| RR-Invest Oy | Transport & logistics | 1989 |
| Raakunharjun Vesiosuuskunta | Water & waste | 1981 |
| Railakka Oy | Administrative & support | 2026 |
| Raimo Jaakkolan Rakennus Ky | Construction | 1991 |
| Rakennus Imake Ky | Construction | 1989 |
| Rakennus Kyllönen Oy | Construction | 2016 |
| Rakennus Popo Oy | Construction | 2017 |
| Rakennus Qsamo Oy | Construction | 2013 |
| Rakennus- ja sahauspalvelu Siekkinen avoin yhtiö | Construction | 2010 |
| Rakennusliike Kuura Oy | Construction | 2017 |
| Rakennusliike Palosaari Oy | Construction | 2009 |
| Rakennusliike Ruka Oy | Construction | 1989 |
| Rakennusliike Saarijärvi Oy | Construction | 2024 |
| Rakennusmestari Kyösti Leinonen Oy | Construction | 2020 |
| Rakennuspalvelu NikRa Oy | Construction | 2022 |
| Rakennuspalvelu Ruka oy | Construction | 2024 |
| Rakennustaito Raksalla Oy | Professional & scientific | 2021 |
| Rasepi Oy | Mining & quarrying | 1993 |
| Rataskodit oy | Construction | 2019 |
| Rauta Korpela Oy | Wholesale & retail | 2018 |
| Rautumatkat Oy | Arts & recreation | 2022 |
| Reindeer Lapland Tours Oivanki Oy | Other services | 2018 |
| Remontti Kuusamo Oy | Construction | 2022 |
| Remontti Säkkinen Oy | Construction | 2019 |
| Remonttiteam R Lohilahti Oy | Construction | 1990 |
| Rengas Kuusamo Oy | Wholesale & retail | 2002 |
| Revitek Oy | Other services | 2026 |
| Riipisen Family Group Oy | Professional & scientific | 2022 |
| Riipisen Riistaherkut Oy | Wholesale & retail | 1996 |
| Rink-Group Oy | Professional & scientific | 2024 |
| Risto Niemi Avoin yhtiö | Administrative & support | 1951 |
| River Flow Consulting Oy | Hospitality | 2022 |
| Royal Men's Barber Shop Oy | Other services | 2024 |
| Ruka Beauty & Wellness Oy | Other services | 2016 |
| Ruka Build Oy | Construction | 2021 |
| Ruka Guiding service Oy | Administrative & support | 2021 |
| Ruka Husky Company Oy | Other services | 2018 |
| Ruka Husky Oy | Administrative & support | 2017 |
| Ruka Life Oy | Real estate | 2011 |