| Active Paws Oy | Wholesale & retail | 2023 |
| Akustiikka Kaluste Oy | Wholesale & retail | 2023 |
| Alcoda Oy | Information & communication | 2015 |
| Alman Onni Oy | Hospitality | 2013 |
| AutoClear Oy | Information & communication | 2019 |
| Autopesu Grönstrand Oy | Other services | 2021 |
| Avoin yhtiö Porin Uuni- ja Laattatyö | Construction | 1992 |
| Café Logo Oy | Hospitality | 1996 |
| Cami Company Ltd Oy | Wholesale & retail | 1985 |
| Conrep oy | Construction | 2021 |
| Country Club Luvia Oy | Hospitality | 2020 |
| Customech Oy | Professional & scientific | 2025 |
| EKCONS Oy | Manufacturing | 2017 |
| Energywork Finland Oy | Construction | 1991 |
| Enonteekki Oy | Financial services | 2024 |
| Eurajoen Rakennuspalvelu Oy | Construction | 2008 |
| Force-Bros avoin yhtiö | Wholesale & retail | 2008 |
| Fornello Oy | Wholesale & retail | 2012 |
| Futuretech Nordic Oy | Real estate | 2023 |
| Glera Consulting Oy | Professional & scientific | 2018 |
| HJHH Kiinteistöt Oy | Real estate | 2026 |
| HenriCo Oy | Wholesale & retail | 2013 |
| Hietikko Group Oy | Manufacturing | 2021 |
| IHUE Oy | Hospitality | 2020 |
| Insinööripalvelu Lappalainen Oy | Professional & scientific | 2022 |
| Insinööritoimisto Ankelo Oy | Construction | 2006 |
| J. Rostedt Oy | Professional & scientific | 1993 |
| JEKI Installation Oy | Manufacturing | 2023 |
| JKL-Yhtiöt Oy | Construction | 2021 |
| JP-Support Oy | Manufacturing | 2018 |
| JRK Consulting Oy | Professional & scientific | 2021 |
| JaMe-system Oy | Manufacturing | 2009 |
| Juha Vuorela Kiinteistöt Oy | Real estate | 2016 |
| KH Tien kunnossapito Ky | Administrative & support | 2024 |
| KHL Tien Kunnossapito Oy | Administrative & support | 2025 |
| KR Lännen Romu Oy | Wholesale & retail | 2012 |
| Kaarre Second Hand Oy | Other services | 2023 |
| Kaljaasi Ihana Oy | Administrative & support | 2010 |
| Katto 05 Oy | Construction | 2024 |
| Kaunismäki Kari Oy | Construction | 2002 |
| Kiinteistö Oy Helmentie 19 | Real estate | 2017 |
| Kiinteistö Oy Helmentie 6 | Real estate | 2017 |
| Kiinteistö Oy Kaaritie 28 | Real estate | 2021 |
| Kiinteistö Oy Kuussaarikontiet | Real estate | 1980 |
| Kiinteistö Oy Luvian Teollisuustie | Real estate | 2008 |
| Kiinteistö Oy Paanakedonkatu 20 | Real estate | 2017 |
| Kiinteistö Oy Porin Kirstintie 11 | Real estate | 1980 |
| Kiinteistö Oy Vekaro | Real estate | 2002 |
| KorVil Rakennus Oy | Construction | 2026 |
| Korjauspaja Routalammi Oy | Other services | 1980 |
| Korven Tila Oy | Administrative & support | 1997 |
| Koski Group Avoin Yhtiö | Professional & scientific | 1995 |
| Käenpesän sosiaalipalvelut Oy | Health & social care | 2020 |
| LAITAKARIN JAKAMO Oy | Wholesale & retail | 2020 |
| Laitakarin Maa & Vesirakennus OY | Construction | 1984 |
| Lvi-Mator OY | Construction | 2016 |
| Laaksosten Tila Oy | Agriculture & fishing | 2016 |
| Laitakarin Messi Oy | Manufacturing | 1992 |
| Laumic Oy | Other services | 2020 |
| Lilian Accounting Oy | Professional & scientific | 2020 |
| Lindroos Solutions Oy | Education | 2024 |
| Linja-autoliikenne Sookari Oy | Transport & logistics | 1997 |
| Lokator Oy | Information & communication | 2021 |
| Luveka Oy | Real estate | 1995 |
| Luvi-Siirto Oy | Transport & logistics | 2001 |
| Luvi-Tool Oy | Manufacturing | 1988 |
| LuviMarika Oy | Health & social care | 2012 |
| Luvia Boats Oy | Manufacturing | 2012 |
| Luvian Jäähalli Oy | Real estate | 1993 |
| Luvian Konepalvelu Ky | Construction | 2009 |
| Luvian Lääkärit Oy | Health & social care | 1993 |
| Luvian Merikuljetus ja Ruoppaus Oy | Agriculture & fishing | 1998 |
| Luvian Pirtti Osakeyhtiö | Real estate | 1928 |
| Luvian Rahtiautot Oy | Transport & logistics | 2007 |
| Luvian RakennusPelti Oy | Construction | 2017 |
| Luvian Saha Oy | Manufacturing | 1991 |
| Luvian Talonrakennus Oy | Construction | 1983 |
| Luvian pizzeria avoin yhtiö | Hospitality | 2005 |
| Maalaava Häme Oy | Construction | 2024 |
| Maalaava Oy | Construction | 2020 |
| Maeki Oy | Information & communication | 2026 |
| Marine Service Oy Markus Selin | Transport & logistics | 2019 |
| Markku Kaukkila Ky | Real estate | 1985 |
| Matti Lilja Oy | Administrative & support | 2026 |
| Medico Fysio Oy | Health & social care | 2017 |
| Menojetti OY | Manufacturing | 2024 |
| Milli Rakennus Oy | Construction | 2022 |
| Monialapalvelu Ahola Ky | Manufacturing | 2010 |
| MyParatiisi Oy | Real estate | 2025 |
| Mäntykaluste Nikkonen, avoin yhtiö | Manufacturing | 1996 |
| NHAH Oy | Transport & logistics | 2013 |
| Nordfox OY | Agriculture & fishing | 2013 |
| Nalle Pori Oy | Real estate | 2018 |
| Neliömestarit Oy | Construction | 1994 |
| Niemen Kauppahuone Osakeyhtiö | Financial services | 2023 |
| Nummelan Tila Oy | Agriculture & fishing | 2019 |
| Numminen Forest Oy | Agriculture & fishing | 2016 |
| Nummirak Ky | Construction | 2001 |
| Olli Nordberg Oy | Agriculture & fishing | 1996 |
| Osavaate Oy | Manufacturing | 1981 |