| Koillis-Lukko Oy | Wholesale & retail | 1982 |
| Koillis-Suomen Kiinteistönvälitys Oy | Real estate | 1991 |
| Koillis-Tarvike Oy | Wholesale & retail | 2020 |
| Koillistilat Oy | Real estate | 2006 |
| Kolariautokorjaamo JU-PA Oy | Other services | 2010 |
| Kolsatec Oy | Other services | 2025 |
| Kone Yliräisänen Oy | Administrative & support | 2020 |
| Koneyhtymä Arto Tervola Ky | Construction | 1986 |
| Konsultointi Virkkula Oy | Real estate | 2020 |
| Kontio Isännöinti Oy | Real estate | 2024 |
| Kontiokoski Oy | Transport & logistics | 2020 |
| Kostamo-Holding Oy | Manufacturing | 2007 |
| Kotihoito Ulpukka Oy | Health & social care | 2019 |
| Kotipalvelu HopiaHelmi Oy | Health & social care | 2015 |
| Kotipalvelu Tukenasi Oy | Health & social care | 2021 |
| Kuljetus- ja konepalvelut Kangas Oy | Transport & logistics | 2021 |
| Kuljetusliike Karsimus Ky | Information & communication | 1982 |
| Kuljetusliike Lahtela Oy | Water & waste | 1987 |
| Kuljetusliike Risto ja Markku Jaakkola Oy | Transport & logistics | 1990 |
| Kuljetusliike Taikor Oy | Manufacturing | 1992 |
| Kuljetuspalvelu Moilanen Oy | Transport & logistics | 2003 |
| Kumpulan Kone Ky | Agriculture & fishing | 1990 |
| Kuumaniemen Majakka Ky | Hospitality | 1989 |
| Kuusamon Vene Ky | | 1983 |
| Käynti Kerrallaan Terapia Oy | Health & social care | 2024 |
| L.P.M.A Productions, avoin yhtiö | Information & communication | 2006 |
| LAPIN AIKA Oy | Wholesale & retail | 1978 |
| Lapin Laitehuolto OY | Construction | 2018 |
| Lapin Arboristipalvelu Oy | Agriculture & fishing | 2020 |
| Lapin Autokatsastus Oy | Professional & scientific | 1996 |
| Lapin Erikoissiivous Oy | Administrative & support | 2022 |
| Lapin Fysioterapia Atlas Avoin yhtiö | Health & social care | 2011 |
| Lapin Kaivupalvelu Oy | Construction | 1993 |
| Lapin Taxipalvelu Oy | Transport & logistics | 2017 |
| Lapin puun kuljetus Oy | Transport & logistics | 2024 |
| Lapland Glow Adventures Oy | Administrative & support | 2025 |
| LappiBites oy | Hospitality | 2025 |
| Lautajoen Lohi Ky. | Agriculture & fishing | 1979 |
| Leinosen Kioski Avoin Yhtiö | Wholesale & retail | 1980 |
| Liikenne-Peltoperä Oy | Transport & logistics | 1994 |
| Liinatikka Oy | Professional & scientific | 1989 |
| Lumo'sis Host Oy | Hospitality | 2025 |
| Lääkärin Vastaanotto Helena Tiihonen Ky | Health & social care | 1990 |
| MK HV Installation Oy | Construction | 2025 |
| MK Invest Oy | Administrative & support | 2023 |
| MK-Factors Oy | Construction | 2016 |
| Maanrakennus Markku Rönkkö Oy | Construction | 2009 |
| Mainosvaltti Niemistö Oy | Professional & scientific | 1991 |
| Majakka Group Oy | Hospitality | 2020 |
| Matti Kelloniemi Oy | Construction | 1995 |
| Mavi Kelebek Kebab-Pizzeria Oy | Hospitality | 2015 |
| Medilinko Oy | Health & social care | 2016 |
| Mehore Oy | Professional & scientific | 2020 |
| Meille Oy | Hospitality | 2022 |
| Miarena Oy | Professional & scientific | 2009 |
| Moduleflow Oy | Mining & quarrying | 2017 |
| Move Lapland Oy | Education | 2022 |
| Mälävaara Oy | Agriculture & fishing | 2002 |
| Möllärin Linjat Oy | Transport & logistics | 1975 |
| Nutarus OY | Wholesale & retail | 2001 |
| Naruska Quiet Resort Oy | Hospitality | 2019 |
| Nurkkalampi Oy | Construction | 1998 |
| Off-Piste Adventures Oy Suomu | Administrative & support | 2008 |
| Osuuskunta Lapin Wekko | Wholesale & retail | 1996 |
| Osuuskunta Uurto | Health & social care | 2018 |
| Pebe-Saneeraus OY | Construction | 2008 |
| Paapero Ky | Wholesale & retail | 1990 |
| Paikkatieto Online Oy | Information & communication | 2011 |
| Paltek metal OY | Manufacturing | 2021 |
| Palvelut Väliranta Oy | Transport & logistics | 2020 |
| Peltoniemen Kone Oy | Construction | 2000 |
| Pentti Kelloniemi Oy | Financial services | 1986 |
| Perttu Soppela Oy | Wholesale & retail | 2022 |
| Pevetec Oy | Construction | 2013 |
| Piikan pilleri Oy | Wholesale & retail | 2022 |
| Polar Infra Oy | Mining & quarrying | 1998 |
| Polarcomp Oy | Manufacturing | 1994 |
| Porin Seudun Inva- ja paaritaksipalvelu Oy | Transport & logistics | 2016 |
| Porin Taksikuljetus Oy | Transport & logistics | 2019 |
| PoroLappi Oy | Manufacturing | 2008 |
| Pure Wellness Kemijärvi Oy | Arts & recreation | 2018 |
| Putkiliike K Viinikka Ky | | 1980 |
| Puusepänliike Peltoniemi Ky | Manufacturing | 1992 |
| Pyhä-Sommelo Oy | Hospitality | 1989 |
| Pyhärasti Oy | Real estate | 1993 |
| Pykäläinen Tarmo Ky | Transport & logistics | 1995 |
| R. Latvakoski Oy | Other services | 2010 |
| Rail Arctica Oy | Construction | 2019 |
| Rakennus DST Oy | Construction | 2026 |
| Rakennuskonsultointi Alajoutsijärvi Oy | Real estate | 2023 |
| Rakennusliike Vintteri Oy | Construction | 2008 |
| Rakennuspalvelu Kiemunki Oy | Construction | 2026 |
| Rauta Saikkonen Oy | Wholesale & retail | 1979 |
| Raymond HallHill Group Oy | Other services | 2013 |
| Repo Fur Ky | Manufacturing | 1988 |
| Rinnekonehuolto ja varaosa T. Niemelä Ky | Manufacturing | 1985 |
| Rissell Oy | Wholesale & retail | 2019 |
| Robomies Oy | Wholesale & retail | 2011 |
| Rytilahden Autokoulu Oy | Education | 1982 |
| Ränni-Olli Oy | Wholesale & retail | 1986 |