| AJ & J Service Oy | Construction | 2001 |
| ATK-Palvelut Janne Karjanlahti Oy | Information & communication | 2007 |
| AVK-Kiinteistöt Oy | Wholesale & retail | 1999 |
| Asennus Heinonen Oy | Manufacturing | 2026 |
| Asennuspalvelu Rosendahl Oy | Manufacturing | 2017 |
| Avoin yhtiö Saarinen ja Pojat | Construction | 1948 |
| BTL Baltic Trade Law Oy | Professional & scientific | 1993 |
| Better call Starck OY | Arts & recreation | 2022 |
| ER-Flex Oy | Construction | 2016 |
| Ekholm Invest Oy | Real estate | 2021 |
| Elebet Oy | Manufacturing | 1992 |
| Eleteam Oy | Manufacturing | 2021 |
| Eurolasi J&P Oy | Construction | 1994 |
| FastSystem OÜ Suomen sivuliike | Construction | 2007 |
| Franscar Ky | Other services | 1982 |
| Grasa Oy | Financial services | 2005 |
| Hakalinna Pomarkku Oy | Real estate | 2014 |
| Haminan Laite Oy | Manufacturing | 1992 |
| Heikintalon taksi ky | Transport & logistics | 2011 |
| Hoivakoti Pioni Oy | Health & social care | 2020 |
| Ins.tsto. Graniitti Oy | Professional & scientific | 2019 |
| Italy Dreams Oy | Hospitality | 2024 |
| Kaivuu Jokinen Oy | Construction | 2012 |
| Kiinteistö Oy Kiviaita | Real estate | 1977 |
| Kiinteistö Oy Pomarkun Vuokratalot | Real estate | 2014 |
| Kiinteistö Oy Tornirinne | Real estate | 1971 |
| Kiinteistö Oy Tornirivi | Real estate | 1979 |
| Kiinteistö Oy Vanhatien Unska | Real estate | 2015 |
| Kiinteistö-Osakeyhtiö Hietanen | Real estate | 2004 |
| Konehuolto Rauäng Ky | Other services | 2010 |
| Konepaja Wingmet Oy | Manufacturing | 1983 |
| Koneurakointi J.Särkijärvi Oy | Construction | 2025 |
| Koneurakointi Kuuskoski Ky | Agriculture & fishing | 2000 |
| Koskimarkku Oy | Real estate | 1999 |
| Kuljetus Jokinen Oy | Transport & logistics | 2006 |
| Kuljetus Oy Aki Koskinen | Transport & logistics | 2002 |
| Kuljetus Oy Asko Koskinen | Transport & logistics | 2002 |
| Kuuskoski Forest Ky | Agriculture & fishing | 2013 |
| LR Solutions Oy | Wholesale & retail | 2020 |
| Liukonen Yhtiöt Oy | Wholesale & retail | 2021 |
| MSM Service Oy | Administrative & support | 2013 |
| Maanrakennus Olli Lehtimäki Ky | Construction | 1992 |
| Metalli & Maalaus Sillanpää Oy | Construction | 2023 |
| Metsätalousyhtymä Wanhatalo & Hernberg | Agriculture & fishing | 2013 |
| Mirnet Oy | Wholesale & retail | 2003 |
| Mä-Va Kuljetus Oy | Transport & logistics | 1992 |
| Mäensivu-Group Oy | Real estate | 1988 |
| NeBravo Oy | Administrative & support | 2025 |
| O. Riihimäki Oy | Wholesale & retail | 1962 |
| Pomar Welding Ky | Manufacturing | 2005 |
| Pomarkun Ilma OY | Construction | 2020 |
| Pomarkun Taksipalvelu OY | Transport & logistics | 2015 |
| Pakkaus Jantunen Oy | Administrative & support | 1996 |
| Palvelukodit Pomarkun Tilkkutäkki Oy | Health & social care | 2007 |
| Pomar Padel Oy | Arts & recreation | 2025 |
| Pomarfin Oy | Manufacturing | 1964 |
| Pomarkun Asennustyö Oy | Construction | 1979 |
| Pomarkun Autohuolto Oy | Wholesale & retail | 2012 |
| Pomarkun Koski Oy | Energy | 2004 |
| Pomarkun Rakennussähkö Oy | Construction | 1989 |
| Pomarkun Tilausliikenne Oy | Transport & logistics | 2016 |
| Pomarkun Uudisrakennus Ky | Construction | 2008 |
| Pomarkun rakennuspalvelu ky | Construction | 2007 |
| Pomarsteel Oy | Manufacturing | 2012 |
| Pome Oy | Manufacturing | 1980 |
| Porin Tuontipiste Oy | Wholesale & retail | 1987 |
| Psykoterapia Satu-Merita Oy | Health & social care | 2024 |
| Rakennus & Pinta Jokinen Ky | Administrative & support | 2016 |
| Raskaankalustonhuolto Salmivuori Oy | Other services | 2025 |
| Rennot Reissut Oy | Transport & logistics | 2012 |
| Right size company Oy | Manufacturing | 2016 |
| Rosendahl Service Oy | Manufacturing | 2016 |
| SA Asennus ja Saneeraus Oy | Construction | 2007 |
| Sakatransport oy | Transport & logistics | 2020 |
| Satadiens JP Oy | Manufacturing | 2015 |
| Satakunnan Puunkuljetus Oy | Transport & logistics | 2007 |
| Solis Cantus Oy | Manufacturing | 2024 |
| Southwest Ware Oy | Information & communication | 1998 |
| Suomen Hirsitaloteollisuus Rosendahl Oy | Manufacturing | 1993 |
| Suomen Imurikeskus Oy | Manufacturing | 1985 |
| Suomen Uusiokone Oy | Wholesale & retail | 2004 |
| Symwood Oy | Professional & scientific | 1994 |
| Sähkö- ja kiinteistöhuolto Koivunen Oy | Construction | 2013 |
| T&T Mukkala Oy | Manufacturing | 2002 |
| Taksi Lähteenmäki avoin yhtiö | Transport & logistics | 1997 |
| Taksiliikenne Ruokoski Ky | Transport & logistics | 2006 |
| Talonrakennus Peltomaa Oy | Construction | 2019 |
| Tilausliikenne Mäensivu Oy | Transport & logistics | 2009 |
| Traveller perävaunut Oy | Manufacturing | 2021 |
| Tribonia Oy | Professional & scientific | 1995 |
| TuuSan Oy | Wholesale & retail | 2025 |
| Ulvilan Fri-Tuotanto Oy | Manufacturing | 1992 |
| Veljekset Peltomaa Oy | Construction | 2017 |
| Vesa Mäensivu Oy | Transport & logistics | 1995 |
| Viestintäpalvelu Kirkastus Oy | Professional & scientific | 2026 |
| Vilhelm Media Oy | Information & communication | 2020 |