| 1038 Mervi Vaurio Oy | Wholesale & retail | 2013 |
| AR-Autoparkki Oy | Wholesale & retail | 1994 |
| AUTOKORJAAMO HUOLTOJARI Ky | Other services | 2016 |
| Aapelin Kotipesä Oy | Real estate | 2024 |
| Abakus Ky Taloushallinnon palvelut | Professional & scientific | 2000 |
| Abakus Oy Isännöintipalvelut | Real estate | 2016 |
| Adagar Oy | Construction | 2015 |
| Agripalvelu Antti Kangas Oy | Wholesale & retail | 2006 |
| Ahlman Outlines Oy | Professional & scientific | 2013 |
| Aino-Elinan Paja Ky | Manufacturing | 1986 |
| Aitaurakointi Oy | Construction | 2018 |
| Aker Solutions Finland Oy | Professional & scientific | 1992 |
| Allone Finland Oy | Manufacturing | 2019 |
| Allone Print Oy | Manufacturing | 2011 |
| Annantähti Oy | Manufacturing | 2000 |
| Anttonen Services Oy | Professional & scientific | 2024 |
| Aromat Oy | Manufacturing | 2015 |
| Autohuolto Pihlajaniemi Oy | Other services | 2024 |
| Autovuokraamo Frii-Auto Ky | Administrative & support | 1984 |
| Avoin yhtiö Metro Kebab Pizzeria | Hospitality | 1998 |
| BMS Heavy Cranes Oy | Construction | 2020 |
| Bestron Oy | Manufacturing | 1995 |
| C&Q Systems Oy | Professional & scientific | 1999 |
| Caari Oy | Professional & scientific | 2009 |
| Carryx Oy | Manufacturing | 2008 |
| Choozr Group Oy | Information & communication | 2016 |
| Cimcontracting Oy | Professional & scientific | 1992 |
| Cimcorp Oy | Professional & scientific | 2003 |
| Cold Oulu Oy | Manufacturing | 2019 |
| Crossfire Souls Oy | Other services | 2020 |
| DMThracia Oy | Construction | 2019 |
| DOST Die Oberflächen Schutz Technik GmbH, sivuliike Suomessa | Manufacturing | 2013 |
| EH-Bussit Oy | Transport & logistics | 1989 |
| EP Profil Oy | Manufacturing | 1993 |
| Econia HR Services Oy | Administrative & support | 2025 |
| Econia Oy | Administrative & support | 1996 |
| Econia Solutions Oy | Information & communication | 1988 |
| Eemeli Kiinteistöt Oy | Real estate | 2014 |
| Eiroplasts Finland Oy | Manufacturing | 2025 |
| Ekopepe Kuljetus Oy | Transport & logistics | 2006 |
| Emilia Alexandra Oy | Administrative & support | 2019 |
| Erkki Laine Ky | Manufacturing | 1986 |
| Erno S&P Oy | Wholesale & retail | 2017 |
| EuroEdge Oy | Arts & recreation | 2017 |
| Extendico Oy | Wholesale & retail | 1992 |
| FORTTEK Oy | Construction | 2017 |
| Faetor Ky | Administrative & support | 2019 |
| Feiste Oy | Wholesale & retail | 2021 |
| Ferob Oy | Manufacturing | 2011 |
| Finn stand Avoin yhtiö | Construction | 2007 |
| Finn-Construct Oy | Wholesale & retail | 2013 |
| Finne Invest Oy | Real estate | 2018 |
| Finnish Education Center Oy | Education | 2016 |
| Finnish Motor Instruments Oy | Manufacturing | 1994 |
| Finnish Organic Tobacco Company Oy | Wholesale & retail | 2015 |
| Finnish Sporting Company Oy | Real estate | 2012 |
| Finnrobotics Oy | Professional & scientific | 1992 |
| Franz Dietrich Protective Coating Oy | Construction | 2016 |
| Frii-Plast Oy | Manufacturing | 2002 |
| Friitala Gym Oy | Arts & recreation | 2020 |
| Friitala-talo Oy | Real estate | 2004 |
| Futispori Oy | Wholesale & retail | 1995 |
| Fysio & Sports Oy | Health & social care | 2021 |
| GK deli Oy | Manufacturing | 2025 |
| Geo-Export Oy | Construction | 2006 |
| Geotalot Oy | Construction | 2013 |
| Glass Compass Oy | Wholesale & retail | 1983 |
| Greener Packaging Finland Oy | Manufacturing | 2021 |
| Grippertec Oy | Construction | 1989 |
| Group Rantavainio Oy | Real estate | 1982 |
| H & D Tekninen Palvelu Oy | Manufacturing | 2014 |
| HBN Finland Oy | Wholesale & retail | 2024 |
| HENSTO Oy | Construction | 2011 |
| HL perhepalvelut Oy | Other services | 2024 |
| HV Multi-Functio Oy | Administrative & support | 2010 |
| Hakalanvainion Lämpö Oy | Administrative & support | 1973 |
| Harju Elekter Kiinteistöt Oy | Real estate | 1984 |
| Harju Elekter Oy | Wholesale & retail | 2002 |
| Hatax Oy | Transport & logistics | 2014 |
| Hawk Tech Oy | Manufacturing | 2017 |
| Helinkö Oy | Real estate | 2017 |
| HelmiVilla Oy | Construction | 2025 |
| Hemcon Oy | Professional & scientific | 2002 |
| Hotrema Oy | Construction | 2021 |
| Huhta Capital Oy | Construction | 2025 |
| Huigee Organics Oy | Manufacturing | 2017 |
| Humania Works Oy | Professional & scientific | 2026 |
| Hurtti-Paino Oy | Manufacturing | 2015 |
| Huslaamo Oy | Hospitality | 2026 |
| Inframykrä OY | Construction | 2011 |
| Infrasite OY | Professional & scientific | 2006 |
| ISRdent OY | Health & social care | 2023 |
| Illis Oy | Wholesale & retail | 2024 |
| Ilmastointi Sjöberg Kommandiittiyhtiö | Construction | 1971 |
| Innovative Knowledge Enterprise IKE Oy | Education | 2012 |
| Insinööritoimisto Levola Oy | Professional & scientific | 2016 |
| JB Trading Oy | Financial services | 2022 |
| JJ Seikku Oy | Transport & logistics | 2025 |
| JM Laine Consulting Oy | Professional & scientific | 2012 |
| JM Valvonta Oy | Real estate | 2018 |