| Oy Jokipekka Ab | Construction | 2007 |
| Oy Kuokka - Pekka Ab | Construction | 2018 |
| Oy T. Stenbacka Ab | Wholesale & retail | 2009 |
| PTM-rakennus ja siivous Oy | Construction | 2017 |
| Paradiso Oy | Real estate | 1994 |
| PasmiPro Oy | Administrative & support | 2019 |
| Patahtuma Oy | Professional & scientific | 1985 |
| Perhekoti Myyriäinen Oy | Health & social care | 2019 |
| Pircklén Oy | Transport & logistics | 2011 |
| Pirttipalvelut Oy | Administrative & support | 2010 |
| Plodder Oy | Construction | 2013 |
| Pornaisten Huoltamokiinteistöt Oy | Real estate | 2021 |
| Pornaisten Laatutuonti Oy | Wholesale & retail | 2014 |
| Pornaisten Tekonurmi Oy | Real estate | 2016 |
| Rakokivi Palvelut OY | Construction | 2017 |
| RMR Autohuolto Pornainen Oy | Other services | 2020 |
| RR Jylhä oy | Construction | 2023 |
| Rakennus Simoinen Oy | Construction | 1999 |
| Rakennusinsinööritoimisto Arto Leppänen Oy | Construction | 2007 |
| Rakennusmeklarit Oy | Professional & scientific | 2013 |
| Red-Jet-Motors Oy | Wholesale & retail | 1989 |
| Redwhite Racing Oy | Real estate | 2008 |
| Remontti Vesa Oy | Construction | 2009 |
| RimpulaWheels Oy | Other services | 2021 |
| RobLog Oy | Administrative & support | 2008 |
| Rönnqvist Group Oy Ltd | Professional & scientific | 2024 |
| SCH Invest & Holding Oy | Other services | 2008 |
| Serral OY | Education | 2018 |
| SF-Kiviasennus Ky | Construction | 2014 |
| SHHP - Hallintopalvelut Oy | Administrative & support | 2023 |
| Suomen Kattoprojekti OY | Construction | 2013 |
| Saneerausliike H.Parviainen Oy | Construction | 2001 |
| Sanna Consulting Oy | Professional & scientific | 2021 |
| Sannatuote Art Decoration & Insurance Oy | Wholesale & retail | 2018 |
| Scandinavian Cable Service Oy | Manufacturing | 1999 |
| ShadeSpace Oy | Wholesale & retail | 2026 |
| Siilo Consulting Oy | Professional & scientific | 2020 |
| Solinet Oy | Information & communication | 1996 |
| Spex Oy | Administrative & support | 1991 |
| Star Works Group Oy Ab | Manufacturing | 1996 |
| Suomen selviytymiskoulutus OY | Education | 2025 |
| Sähköasennus Redel OY | Construction | 2020 |
| T.A.T. Company Oy | Construction | 2011 |
| TaavijaJaakki Media OY | Manufacturing | 2025 |
| Tekrovi Oy | Other services | 2007 |
| Terholan Paja Oy | Construction | 2007 |
| Turvanvuoksi Oy | Education | 2015 |
| Upsys Oy | Information & communication | 2007 |
| Urakointi Kaleva Oy | Construction | 2010 |
| Uudenmaan Kuivajääpuhallus Oy | Construction | 2025 |
| Vesa Koskelainen OY | Transport & logistics | 2012 |
| Vegeli Oy | Administrative & support | 1999 |
| Velitec Oy | Construction | 2022 |
| Verkko-osuuskunta Kajo | Information & communication | 2004 |
| Vesterbacka Express Oy | Administrative & support | 2021 |
| VoroWex Oy | Wholesale & retail | 2010 |
| WeldHelp Oy | Manufacturing | 2020 |
| X-Markcenter Oy | Wholesale & retail | 1993 |
| nupel oy | Hospitality | 2021 |
| racinGPalvelu Finland Oy | Other services | 2020 |