| AP-Mylly Oy | Manufacturing | 1996 |
| All in West Oy | Construction | 2019 |
| Avastorm Oy | Information & communication | 2024 |
| Avoin Yhtiö Panelian Metsätyö | Agriculture & fishing | 1996 |
| Biolin Oy | Manufacturing | 2007 |
| Engeva Oy | Professional & scientific | 2021 |
| JKP-Metsä Oy | Agriculture & fishing | 2018 |
| Jaakko-Tuote Oy | Manufacturing | 1972 |
| Kaivuu ja Kuljetus Nurmi Oy | Construction | 1994 |
| Kauruu Oy | Professional & scientific | 2009 |
| Kiinteistö Oy Krootilan Talot | Financial services | 1990 |
| Kiinteistö- ja Urakointipalvelu Alho Oy | Administrative & support | 2010 |
| Kiken kebab-pizzeria Avoin yhtiö | Hospitality | 2019 |
| Kolina & Pauke Oy | Other services | 2021 |
| Konetyö J. Laine Oy | Construction | 2024 |
| Kurkkumestarit P & S Oy | Manufacturing | 1994 |
| Kurunperän Raivaus Oy | Agriculture & fishing | 2022 |
| Lammela Oy | Wholesale & retail | 2008 |
| Lounaskahvila Myllynsilta Ky | Hospitality | 1997 |
| Löytömaan Klapi ja Työ Oy | Administrative & support | 2009 |
| MKR-Kiinteistöt Oy | Real estate | 2009 |
| Mallivaruste Koski Oy | Manufacturing | 1986 |
| Matka-Salonen Oy | Administrative & support | 1986 |
| MediClean Oy | Administrative & support | 2020 |
| Medihansa Oy | Health & social care | 2008 |
| Metsäsuominen Oy | Administrative & support | 2017 |
| MoniPalvelu JHS Oy | Construction | 2025 |
| Muistohautaus Oy | Other services | 2022 |
| Myyrin Osakkeet Oy | Real estate | 2015 |
| Niittumaa Oy | Wholesale & retail | 1993 |
| Niittumaa Tech Oy | Manufacturing | 2024 |
| Osuki Oy | Wholesale & retail | 2000 |
| Outin kotipalvelu Oy | Health & social care | 2023 |
| Panegg Oy | Wholesale & retail | 1988 |
| Panelia-Halli Oy | Real estate | 1998 |
| Panelian Autohuolto Ky | Other services | 2014 |
| Panelian Hansa Oy | Real estate | 1989 |
| Panelian Hiekkapuhallus Oy | Administrative & support | 2006 |
| Panelian Metallivalimo Oy | Manufacturing | 1991 |
| Panelian Putoukset Oy | Energy | 2019 |
| Panelian Rakennustyö Ky | Construction | 1987 |
| Panelian Valimo Kiinteistö Oy | Real estate | 1992 |
| Panelian Voima Oy | Financial services | 1991 |
| Panelianjuhlatalo Oy | Real estate | 2024 |
| Paneliankosken Voima Oy | Energy | 1922 |
| Porin Fashion Agency Maria Oy | Wholesale & retail | 1997 |
| Prasu Oy | Energy | 2007 |
| Profex Oy | Professional & scientific | 2008 |
| Rakennus ja Raivaus Haapio Oy | Construction | 1993 |
| Rekikoski Oy | Agriculture & fishing | 2003 |
| Rentsar Oy | Real estate | 2017 |
| SalSun Oy | Other services | 2020 |
| Salaojitusyhtiö Päiviö Oy | Construction | 1961 |
| Saneeraus ja Putkityö TS Oy | Construction | 2011 |
| Satamuna Oy | Wholesale & retail | 2004 |
| Scankivi Oy | Manufacturing | 1948 |
| Siilinjärven Avart Ky | Manufacturing | 1989 |
| Sininen Unelma Oy | Other services | 2009 |
| Suomen Puunvienti Oy | Agriculture & fishing | 1921 |
| Sähkö Mäkitasku Oy | Construction | 2014 |
| Sähkö- ja Rakennustyö Ari Rosten Oy | Construction | 2016 |
| T.Salminen Transport Oy | Transport & logistics | 2020 |
| T.T. Salonen Oy | Hospitality | 2016 |
| TP-Stokeri Oy | Manufacturing | 1984 |
| Tipula Oy | Agriculture & fishing | 2016 |
| Uusi-Vesa Osakeyhtiö | Financial services | 2023 |
| Viitakivi OY | Manufacturing | 1993 |
| Vemakaivuu Oy | Construction | 2024 |
| Vientikivi Oy Finland | Manufacturing | 1964 |
| Väli-Vaara Oy | Hospitality | 2024 |