| Pajunkukka Oy | Wholesale & retail | 1992 |
| Parturi-kampaamo Cleopatra & Caesar Oy | Other services | 2019 |
| Patera Oy | Administrative & support | 2019 |
| PenaFox Oy | Wholesale & retail | 2024 |
| Perhekoti Onnimoine Oy | Health & social care | 2019 |
| Pesacon Oy | Manufacturing | 1987 |
| Pienryhmäkoti Huvikumpu Ky | Health & social care | 2004 |
| Piilolan Paroni Oy | Real estate | 2020 |
| Pinnoitus Pylväinen Oy | Construction | 2012 |
| Pipotar Oy | Manufacturing | 2025 |
| Pirtti Isännöinti Oy | Real estate | 2022 |
| Pizzeria Boron Avoin yhtiö | Hospitality | 2005 |
| Platta Media Oy Ab | Professional & scientific | 2024 |
| PopCocks Oy | Arts & recreation | 2019 |
| Primtask Oy | Education | 1986 |
| Proavera Oy | Real estate | 1979 |
| Pures Oy | Manufacturing | 2025 |
| R-Skid Oy | Manufacturing | 1989 |
| R.T. Tourunen Oy | Real estate | 2008 |
| RIVA-Services Oy | Manufacturing | 2025 |
| Rakennus Jokiranta Oy | Construction | 2022 |
| Rakennuspalvelu J.Kautto Oy | Construction | 2012 |
| Rakennuspalvelu Mark Top Oy | Construction | 2004 |
| Rakennustoimisto Konnerak Kommandiittiyhtiö | | 1986 |
| Rakennustyö Kaasinen Oy | Construction | 2013 |
| Rakennustyö Kautto Oy | Construction | 2005 |
| Ranni Car Service Oy | Other services | 2022 |
| Ravintola Kosken Helmi Oy | Hospitality | 2009 |
| Reinon Retkue avoin yhtiö | Arts & recreation | 2025 |
| Remontointi K. Pölkki Oy | Construction | 2025 |
| Remonttipalvelu Väyrynen Oy | Construction | 2021 |
| Risto Tiittanen Oy | Other services | 1987 |
| Roimela Group Oy | Professional & scientific | 1997 |
| Romukulma Oy | Water & waste | 2019 |
| Rotkola Invest Oy | Real estate | 1993 |
| Rumets Oy | Construction | 1995 |
| S. Leino Oy | Construction | 2016 |
| SA Talotiimi Oy | Administrative & support | 2025 |
| SALT Kiinteistöt Oy | Real estate | 2020 |
| SH Isännöinti Oy | Real estate | 2023 |
| SJ Huuskonen Ky | Financial services | 2004 |
| SR Security Advisors Oy | Professional & scientific | 2025 |
| Saarijärven Hirvitupa Oy | Agriculture & fishing | 1986 |
| Salaojapiste Etelä-Suomi Oy | Construction | 2025 |
| Salaojapiste Holding Oy | Financial services | 2025 |
| Salaojapiste Itä- ja Keski-Suomi Oy | Construction | 2025 |
| Salaojapiste Pohjanmaa Oy | Construction | 2025 |
| Sarja Group Oy | Hospitality | 2014 |
| Satakor Oy | Financial services | 1988 |
| Saunamäki Lähileipomo Oy | Manufacturing | 2025 |
| Sementtivalimo Argillander Oy | Manufacturing | 2020 |
| Silkkipaino Äänekosken Sericopy Avoin yhtiö | Manufacturing | 1986 |
| Sirjus Oy | Wholesale & retail | 1998 |
| Sirpa Honkonen ja Anneli Myllykoski Ky | Wholesale & retail | 1990 |
| Sisä-Suomen Turvapalvelut Oy | Administrative & support | 2018 |
| Sohlmayer Oy | Hospitality | 2005 |
| SolarCleantec Oy | Professional & scientific | 2010 |
| Sonarcy Oy | Wholesale & retail | 2016 |
| Sookstudio Oy | Information & communication | 2023 |
| Sorsalinna Oy | Real estate | 2016 |
| Spark Invest Oy | Financial services | 2026 |
| Specialty Minerals Nordic Oy Ab | Manufacturing | 1992 |
| Stannum Oy | Financial services | 2018 |
| Stepcon Oy | Real estate | 2004 |
| Studystreams oy | Information & communication | 2020 |
| Suolahden Riihivuoren vesiosuuskunta | Water & waste | 2005 |
| Suomen LKV Äänekoski Ky | Real estate | 2013 |
| Suoteks Oy | Wholesale & retail | 1979 |
| Swing River Oy | Arts & recreation | 2017 |
| Sähköpalvelu Mäntymaa OY | Construction | 2015 |
| Sähkö Niskanen Oy | Construction | 2017 |
| Sähköpalvelu Teräväinen Oy | Construction | 2013 |
| T.A. Niskanen Oy | Wholesale & retail | 1979 |
| T2K Monitoimi Oy | Health & social care | 2024 |
| TH Capita Oy | Professional & scientific | 2021 |
| Tkj-Kiinteistöt OY | Real estate | 2018 |
| TRI-Parts Oy | Wholesale & retail | 2005 |
| Taksikuljetus Kinnunen Oy | Transport & logistics | 1995 |
| Tamako Oy | Construction | 1990 |
| Tamkama Invest Oy | Real estate | 2025 |
| Teema holding Oy | Financial services | 2025 |
| TeoHall Ky | Real estate | 2004 |
| TiliTammi Oy | Professional & scientific | 2019 |
| Tilintarkastus Seppo Korhonen Ky | Professional & scientific | 1999 |
| Tilitoimisto Kymppiset Oy | Professional & scientific | 1990 |
| Toimintakeidas Oy | Health & social care | 2006 |
| TotalEnergy Oy | Construction | 1987 |
| Tuhatpalvelu Oy | Wholesale & retail | 1995 |
| Tuomainen ja Vuorinen Avoin Yhtiö | Hospitality | 2012 |
| Työhyvinvointi Tienhaara Oy | Health & social care | 2019 |
| Työkaluvalmistamo Pentti Paananen Ky | Manufacturing | 1985 |
| Täyttä Terästä Oy | Manufacturing | 2020 |
| Ulla Aaltonen Oy | Professional & scientific | 1991 |
| V-M SAVIRANTA Oy | Transport & logistics | 2005 |
| VP-LUX Oy | Wholesale & retail | 2010 |
| Vaahteramäen Nuorisokoti Oy | Health & social care | 2022 |
| Vainikainen & Sons Oy | Construction | 2016 |
| Valkonen Holding Oy | Financial services | 2024 |
| Valpi Pro Oy | Manufacturing | 2019 |
| Vanha-Pelti Oy | Construction | 1987 |