| Raahen Kauppahuone RR Oy | Wholesale & retail | 2024 |
| Raahen Kehyspiste Ky | Wholesale & retail | 1987 |
| Raahen Kiinteistö ja Kone Oy | Real estate | 1987 |
| Raahen Kiinteistömaalarit Oy | Construction | 2010 |
| Raahen Kiinteistöpalvelu Ky J. Merihaara | Administrative & support | 1985 |
| Raahen Kiinteistövälitys Oy | Real estate | 2025 |
| Raahen Kiviasennus, avoin yhtiö | | 1989 |
| Raahen Konepajatyö Oy | Manufacturing | 1984 |
| Raahen Kuitu Oy | Information & communication | 2018 |
| Raahen Kuntoklubi Oy | Arts & recreation | 2015 |
| Raahen Kuntoutus ja Liikunta Oy | Health & social care | 1990 |
| Raahen Kännykkäkauppa Oy | Information & communication | 2016 |
| Raahen Lasi Oy | Construction | 2013 |
| Raahen Lämpöeristys Oy | Construction | 1980 |
| Raahen Menu Oy | Real estate | 2001 |
| Raahen Monisiivous Oy | Administrative & support | 2011 |
| Raahen Musiikki Ky | Education | 1995 |
| Raahen Ohjelmapalvelut Oy | Professional & scientific | 2011 |
| Raahen Pelipysäkki Oy | Hospitality | 1993 |
| Raahen Pelti ja Tuote Ky | Construction | 2009 |
| Raahen Pikahuolto Oy | Other services | 2021 |
| Raahen Pultti Oy | Wholesale & retail | 1984 |
| Raahen Pyöräkeskus Oy | Wholesale & retail | 1991 |
| Raahen Romu Oy | Wholesale & retail | 1987 |
| Raahen SHT Oy | Manufacturing | 2010 |
| Raahen Satama Oy | Transport & logistics | 2014 |
| Raahen Seelareitten Terässatama Oy | Transport & logistics | 1992 |
| Raahen Silmälasi Avoin yhtiö | Wholesale & retail | 1984 |
| Raahen Sähköpalvelu Oy | Construction | 2018 |
| Raahen Taksiasema Oy | Transport & logistics | 1992 |
| Raahen Taksipalvelut Ky | Transport & logistics | 2019 |
| Raahen Talonhoito Oy | Administrative & support | 1982 |
| Raahen Terästuote Oy | Manufacturing | 2019 |
| Raahen Tilausliikenne Oy | Transport & logistics | 2008 |
| Raahen Tilitiimi Oy | Professional & scientific | 2002 |
| Raahen Turvallisuus-Vartiointi Ky | Administrative & support | 1992 |
| Raahen Tuulienergia Oy | Energy | 2010 |
| Raahen Valimo Oy | Manufacturing | 2020 |
| Raahen Vaunutalo Matti Hökkä Ky | | 1988 |
| Raahen Voima Oy | Energy | 2014 |
| Raahen Väri- ja Tapettiliike Ky | Wholesale & retail | 1960 |
| Raahen Ykköspalvelu Oy | Wholesale & retail | 1991 |
| Raahen autotuonti Oy | Wholesale & retail | 1998 |
| Raahen ilmastointiasennus Oy | Construction | 2017 |
| Raahen osaamiskeskus Oy | Education | 2000 |
| Raahen rautatehtaan Ruokalaosuuskunta | Hospitality | 1975 |
| Raahepolis Oy | Real estate | 1989 |
| Raimon Kala Oy | Manufacturing | 1992 |
| Rakennus MiiRA Oy | Construction | 1997 |
| Rakennusarkadi Oy | Construction | 1990 |
| Rakennusliike J Mathlin Oy | Construction | 2015 |
| Rakennuspalvelu A. Hyväri Oy | Construction | 2016 |
| Rannikon Huoltop Oy | Administrative & support | 2024 |
| Rannikon Isännöintikeskus Oy | Real estate | 2015 |
| Rannikon Tarvike Oy | Wholesale & retail | 2012 |
| Rannikon Vesirakennus Oy | Professional & scientific | 2016 |
| RefraMan Oy | Professional & scientific | 2020 |
| Reijo Mehtälä Oy | Construction | 1982 |
| Reivonen Oy | Real estate | 1982 |
| Rescomi Oy | Information & communication | 1999 |
| Risto Havia Oy | Other services | 2009 |
| Ruona Oy | Real estate | 2013 |
| SAE Kiinteistöt Oy | Real estate | 2018 |
| SLK Holding Oy | Financial services | 2020 |
| SUNS Oy | Manufacturing | 2022 |
| SVAPA Oy | Professional & scientific | 2011 |
| Sales Schakt Oy | Construction | 2019 |
| Saloisten Katsastus Oy | Professional & scientific | 2012 |
| Salon Devine Oy | Other services | 2019 |
| Sepontytär Oy | Education | 2019 |
| Sever Steel Oy | Manufacturing | 2025 |
| Sheet Metal Group Oy | Other services | 2010 |
| Sippala Invest Oy | Real estate | 1982 |
| Sisustus-Center Svensk Ky | Wholesale & retail | 1992 |
| Solarpower Tulineva Oy | Energy | 2025 |
| Soteko Oy | Health & social care | 2006 |
| Spark Industries Oy | Information & communication | 2020 |
| Sparksoft Oy | Information & communication | 2014 |
| Star Up Coaching Oy | Education | 2019 |
| Steelmasters' Voice Oy | Professional & scientific | 2016 |
| Stensoft Oy | Information & communication | 2021 |
| Stope Oy | Manufacturing | 2018 |
| StratEki Oy | Professional & scientific | 2026 |
| Studio Suvi Marjala Ky | Professional & scientific | 2015 |
| Suomen Paperivälitys Oy | Wholesale & retail | 1994 |
| Suomen Pejo Oy | Financial services | 1996 |
| Suomen energiatodistus Oy | Professional & scientific | 2023 |
| Sustainna Oy | Information & communication | 2023 |
| Suunnittelupalvelu Järvelä Oy | Professional & scientific | 2021 |
| Suvarak Oy | Professional & scientific | 2021 |
| Suzu-Auto Oy | Wholesale & retail | 1983 |
| Systerit & Kumppanit Oy | Real estate | 2012 |
| Sähkö-Hänninen Oy | Construction | 2023 |
| T & J Impola Oy | Administrative & support | 2021 |
| T. Voutilainen Ky | Construction | 2004 |
| TEPJO Oy | Administrative & support | 2017 |
| TJH Sports Oy | Arts & recreation | 2022 |
| TMW Raahe Oy | Wholesale & retail | 2019 |
| TR-Store Ky | Wholesale & retail | 2023 |
| TaitoHoito Oy | Health & social care | 2012 |