| RT Remonttitiimi Oy | Construction | 2024 |
| Raija Ketolan Kahvilat Ky | Hospitality | 1986 |
| Rajaton Riemu Oy | Hospitality | 2015 |
| Rakennekorjaus J Rantanen Oy | Construction | 1994 |
| Rakennus Raino Ruoho Oy | Construction | 2002 |
| Rakennus- ja Laattatyö M & L Oy | Construction | 2010 |
| RakennusKarppanen Oy | Construction | 2026 |
| Rakennusliike Vala Oy | Construction | 2014 |
| Rakennusmaalaus Jari Komonen Oy | Construction | 2009 |
| Rakennuspalvelu T. Pettersson Oy | Construction | 2012 |
| RaksaÄssä Group Oy | Construction | 2025 |
| RaksaÄssä Oy | Construction | 2008 |
| Rantamaja Invest Oy | Financial services | 2021 |
| Re-Re Oy | Hospitality | 1990 |
| RemoCon Rakennus Oy | Construction | 2022 |
| Rikun Autofix Oy | Other services | 2020 |
| Risto Mutanen Oy | Real estate | 1990 |
| Roive Company Oy | Real estate | 2016 |
| Romupiste Oy | Wholesale & retail | 2019 |
| S.Helmi palvelu Oy | Transport & logistics | 2026 |
| STEMA, Suomen Teollisuusmaalaus Oy | Construction | 2001 |
| SVTS-Kuljetus Oy | Transport & logistics | 2024 |
| Salama Invest Oy | Financial services | 2021 |
| Saneeraus&Paikkaus Koskinen Oy | Construction | 2025 |
| Sanscom Oy | Professional & scientific | 2011 |
| Sari Ratia Oy | Wholesale & retail | 2015 |
| Semantic Solutions Oy | Information & communication | 2006 |
| Strokeplan Oy | Information & communication | 1989 |
| Suomen Aluekartat Oy | Construction | 2023 |
| Suomen Hopeateollisuus Oy | Manufacturing | 1992 |
| Suomen Hopeatukku Oy | Wholesale & retail | 2009 |
| Suomen Kone Kierto Oy | Water & waste | 2023 |
| Suomen Monimarkkinointi Oy | Financial services | 1994 |
| Suomen Tieturva Oy | Education | 2004 |
| Suomi maailma Oy | Manufacturing | 1989 |
| Sähkö Järvelä Oy | Construction | 2006 |
| Sähkö-Uotila Oy | Construction | 2012 |
| Sähköasennus Korelin Oy | Construction | 2016 |
| Sähköasennus Smeds OY | Construction | 2020 |
| Tekninen Tarkastus Koira OY | Professional & scientific | 2017 |
| TG Klubben Oy | Arts & recreation | 2008 |
| TK RAK Oy | Construction | 2022 |
| TLI-Ehostus Oy | Other services | 2004 |
| TTTM tilitoimisto Oy | Professional & scientific | 2024 |
| Tapirak Oy | Construction | 2022 |
| Tapolan Kaluste Ky | Manufacturing | 1983 |
| Tavast-Data TAD Oy | Professional & scientific | 1982 |
| Telttakiinteistöt Oy | Real estate | 2018 |
| Teollisuushuolto Karjalainen Oy | Construction | 2006 |
| Thess Oy | Other services | 2012 |
| Tiedon Avain Oy | Education | 2008 |
| Tilakulma Oy | Real estate | 2023 |
| Tilifunktio Oy | Professional & scientific | 1990 |
| Toinenvaihe Oy | Manufacturing | 1996 |
| Triangel-Kiinteistöt Oy | Real estate | 1989 |
| Tuju Group Oy | Financial services | 2020 |
| Turbotehoa Oy | Other services | 2020 |
| Turvatoimi Markku Huumarsalo Oy | Administrative & support | 1996 |
| UC Hestar Oy | Education | 2022 |
| Upeeduuni Oy | Administrative & support | 2024 |
| Urheilun Setä Oy | Other services | 2019 |
| Uudenmaan Maalarimestarit Oy | Construction | 2008 |
| VJ Marine Oy | Manufacturing | 2022 |
| Vanajan Vakuutus Oy | Administrative & support | 2022 |
| Veikko Vainionpää Oy | Construction | 1983 |
| Vekka Projektit Oy | Administrative & support | 2024 |
| Veljekset Inkeroinen Oy | Financial services | 2019 |
| Veljekset Mikkola Oy | Manufacturing | 1976 |
| Verkonrakentaja Wire Oy | Construction | 2004 |
| Vespera Oy | Manufacturing | 1994 |
| Vet Medic Animal Health Oy | Wholesale & retail | 1999 |
| Vet Medic Distribution Oy | Wholesale & retail | 2024 |
| Vet Medic Enterprises Oy | Wholesale & retail | 2014 |
| Vet Medic Finland Oy | Wholesale & retail | 2010 |
| Vitae Clean Cosmetics Oy | Manufacturing | 2018 |
| Vuontis Oy | Professional & scientific | 2021 |
| Wiremil Oy | Real estate | 2005 |
| e-SEPPÄ Oy | Other services | 2026 |
| m2 house Oy | Professional & scientific | 2007 |