| Balancia Collective Oy | Information & communication | 2026 |
| Baltic aggregates Oy | Mining & quarrying | 2022 |
| BeautyWinds Oy | Education | 2020 |
| Begravningsbyrå & Blomstertjänst Ab A-G Sandell Hautaustoimisto & Kukkapalvelu Oy | Other services | 1998 |
| Bensure Oy | Financial services | 2025 |
| Bergentrade Ltd Oy | Professional & scientific | 1981 |
| Bergström Kapital Ab | Financial services | 2026 |
| Bergvik Marina Ab | Real estate | 1997 |
| Best builders Oy | Construction | 1990 |
| Biesterfeld Finland Oy | Wholesale & retail | 2010 |
| Biorock Finland Oy | Transport & logistics | 2016 |
| Bioxid Ltd Oy | Health & social care | 1994 |
| Björkholm mökit Oy | Hospitality | 2017 |
| Blocky Innovations Oy | Information & communication | 2021 |
| Bluebird&Robin Oy | Wholesale & retail | 2024 |
| Bodalinvest Ab | Financial services | 2005 |
| Bonnes Oy | Construction | 1986 |
| Bostadsrättsbostäder Pargas Seniorhem Ab - Asumisoikeusasunnot Paraisten Seniorikoti Oy | Construction | 2006 |
| Boutique Bianca, Heliander & Filatoff Ky | Wholesale & retail | 1989 |
| Budjettiosa Oy | Wholesale & retail | 2001 |
| Byggborgen Ab | Real estate | 2012 |
| CC the Barn Ab | Real estate | 2020 |
| Café Kajutan Oy Ab | Hospitality | 2015 |
| Café Wåfflan Oy Ab | Hospitality | 2019 |
| Capodimonte Tampere Oy | Professional & scientific | 2003 |
| CapuCon Oy | Wholesale & retail | 2018 |
| Castelli & Caballo Consulting Oy | Wholesale & retail | 2006 |
| Chainbone Oy | Arts & recreation | 2022 |
| Coastal Kings Ab Oy | Arts & recreation | 2019 |
| Codio Ab Oy | Real estate | 2007 |
| Com Car Oy Ab | Information & communication | 1987 |
| Compandben SA Suomen sivuliike | Administrative & support | 2021 |
| Conanima Oy | Health & social care | 2010 |
| CraftEnd Technology Oy | Information & communication | 2022 |
| Cravitek Consulting Oy | Information & communication | 1985 |
| Debet och Kredit Ekonomitjänster Ab | Professional & scientific | 2026 |
| Desepia Oy | Other services | 2004 |
| Devexor Water Treatment Oy | Construction | 1994 |
| Didar Oy | Hospitality | 2020 |
| Digilancer Oy | Information & communication | 2017 |
| DigitaBlue Ab | Information & communication | 2022 |
| DogMindness Oy | Education | 2026 |
| Drink-King Oy Ab | Wholesale & retail | 1993 |
| E&T Rahkonen Oy Ab | Agriculture & fishing | 2013 |
| EKsons Oy | Professional & scientific | 2026 |
| ELDA Interactive Oy | Information & communication | 2015 |
| Eljob AB | Construction | 2007 |
| ES-Support Oy Ab | Construction | 2018 |
| ESAM OY (EgoSumAMedicus) | Health & social care | 2010 |
| Euroleka Suomi OY | Construction | 2008 |
| Ecoforum Ab | Education | 1983 |
| El-Kronström Aktiebolag | Construction | 1995 |
| Elektriska affär EL-Sä Sähköliike Bröderna Lehtonen | Construction | 1946 |
| Elma Care Oy Ab | Other services | 2021 |
| Elwoc Consults Oy Ab | Construction | 2020 |
| Emilis Oy | Professional & scientific | 2020 |
| Emyra Ab | Administrative & support | 2025 |
| Ensolvator AB | Professional & scientific | 2023 |
| Eturivi Suomi Oy | Professional & scientific | 2020 |
| Evelii Oy | Administrative & support | 2023 |
| FL-Fastigheter Ab | Real estate | 2016 |
| FL-Holding Oy Ab | Professional & scientific | 2016 |
| FLOSSLATION Oy Ab | Professional & scientific | 2016 |
| Fagerlund&Lehtinen Ab | Hospitality | 2022 |
| Fastighet Ab Industrigatan 22B | Real estate | 2015 |
| Fastighets Ab Betonggränd 5 | Real estate | 2004 |
| Fastighets Ab Lingongrötshuset Oy | Real estate | 2021 |
| Fastighets Ab PIF-Center Kiinteistö Oy | Real estate | 1996 |
| Fastighets Ab Ålövägen 19 | Real estate | 2004 |
| Fastighetsaktiebolaget Strandparken | Real estate | 2012 |
| Ferentes Oy | Transport & logistics | 2006 |
| Fimuskraft Oy | Professional & scientific | 2015 |
| Finn Pinoy Services Oy | Financial services | 2018 |
| Finnsementti Oy | Manufacturing | 2000 |
| Fixing Ficaro Oy | Construction | 2004 |
| Fjäder Group Oy | Construction | 1971 |
| Flexiro Oy | Administrative & support | 2021 |
| FoMa Invest Oy | Financial services | 2023 |
| Fogmaker Finland Oy | Manufacturing | 2023 |
| Folkis Oy | Hospitality | 2023 |
| Forapar Oy Ab | Construction | 1999 |
| FoxHub Ab | Professional & scientific | 1981 |
| Froan Security Oy | Administrative & support | 2012 |
| FunTaste Partners Oy | Hospitality | 2020 |
| Furuvik Kapital Ab | Professional & scientific | 2010 |
| FysioGYM Träning och Rehabilitering Ab Oy | Health & social care | 2017 |
| G Lindroosin Hautaustoimisto ja Sitomo Ky - G Lindroos Begravningsbyrå och Binderi Kb | Other services | 1981 |
| GVK Coating Technology Oy | Manufacturing | 1946 |
| Gand Group Ab Oy | Wholesale & retail | 2011 |
| Garden Center, Öhman & Wikman | Wholesale & retail | 1990 |
| Gemino Partners Oy | Professional & scientific | 2012 |
| GetMeHome Oy | Transport & logistics | 2026 |
| Godai Oy | Construction | 2021 |
| Goodsman Oy | Mining & quarrying | 1998 |
| Gosmos Factory Oy | Manufacturing | 1998 |
| Greenstaff Oy Ab | Administrative & support | 2019 |
| Grävmaskinsfirma Ronny Sundqvist Ab | Construction | 2012 |
| H&V Konserni Oy | Wholesale & retail | 2017 |
| HLTP-Bygg Ky | Construction | 2026 |
| HMF Services & Consulting Oy | Other services | 2022 |