| Oy Findaco Ltd | Administrative & support | 2005 |
| Oy Finmagistral Services Ltd | Professional & scientific | 2002 |
| Oy Finn Tamrif Ab | Wholesale & retail | 1993 |
| Oy Finnfalcon Ltd | Administrative & support | 1994 |
| Oy Finnish Timber Shippers Ltd. | Wholesale & retail | 1984 |
| Oy Goodlaw Ab | Financial services | 2020 |
| Oy HK Svets Service Ab | Construction | 1995 |
| Oy Hairdepot Ltd | Other services | 1993 |
| Oy Helenius AT | Manufacturing | 2005 |
| Oy Höntsy Ab | Arts & recreation | 2010 |
| Oy Imperium Fennica Ltd | Agriculture & fishing | 1998 |
| Oy In-Hand Finland Ltd. | Information & communication | 2000 |
| Oy Indau Ab | Manufacturing | 1972 |
| Oy JAP - Publisher Ltd | Information & communication | 1995 |
| Oy James Optics Ltd | Manufacturing | 1986 |
| Oy K. Hjorth Ab | Wholesale & retail | 1909 |
| Oy KP-Haus Ag | Health & social care | 1994 |
| Oy Kantakaupunki Tampere Ab | Real estate | 2004 |
| Oy Kasvun Avain Ltd | Professional & scientific | 1997 |
| Oy Kesälahden Linja Ab | Transport & logistics | 1979 |
| Oy Kotka Metals Handling Ltd | Manufacturing | 1997 |
| Oy Laatokan Matkailu, Riista ja Saha Ltd | Administrative & support | 1993 |
| Oy Laatukonsultointi P. Kantelinen Ab | Information & communication | 1989 |
| Oy Lokia Ltd | Information & communication | 2012 |
| Oy Loxodonta Ltd | Wholesale & retail | 1996 |
| Oy M-Group Ltd | Real estate | 2008 |
| Oy MM Projects Ltd | Professional & scientific | 2009 |
| Oy MPK Holding Ab | Financial services | 2020 |
| Oy Magnum Finland Ltd. | Professional & scientific | 1990 |
| Oy Mancave Productions LTD | Arts & recreation | 2020 |
| Oy Market Touch Ltd | Professional & scientific | 1995 |
| Oy Meclift Ltd | Manufacturing | 1981 |
| Oy Medhammars Ab | Health & social care | 2006 |
| Oy Medica Fin Ab Ltd | Health & social care | 2009 |
| Oy MedixVe Ab | Wholesale & retail | 2020 |
| Oy Naurava Taivaanvuohi Ltd. | Administrative & support | 1991 |
| Oy Naveex Ab | Information & communication | 2017 |
| Oy Nokia Water Ltd | Manufacturing | 1996 |
| Oy Nordic Shaving Company Ltd | Wholesale & retail | 2020 |
| Oy Nursing Center Ab | Health & social care | 1993 |
| Oy Orwell Soccer Ltd | Wholesale & retail | 1987 |
| Oy PQR Consult Mikko Ilvesmäki AB | Professional & scientific | 2019 |
| Oy Pappas Spargris Ab | Financial services | 2020 |
| Oy Pasonet International Ltd | Wholesale & retail | 1997 |
| Oy Pemssi Ab | Real estate | 1990 |
| Oy Piha ja Tupa | Construction | 2000 |
| Oy Piinom Ab | Professional & scientific | 1988 |
| Oy Pispalan Betoni Ab | Real estate | 1989 |
| Oy Pispalan Valtatie 59 | Real estate | 1969 |
| Oy Poike Productio Ab | Information & communication | 2020 |
| Oy Q-House Ltd | Real estate | 1999 |
| Oy Ravintola Pyynikintori | Hospitality | 2022 |
| Oy Runoilijan tie | Transport & logistics | 1967 |
| Oy SAAWI Ab | Health & social care | 2013 |
| Oy Scandic Trading House Ltd | Wholesale & retail | 2007 |
| Oy Sensation Textiles Ab | Wholesale & retail | 1996 |
| Oy Sirika Ab | Arts & recreation | 1992 |
| Oy Solvik International Ab | Professional & scientific | 1993 |
| Oy SportMaestro Ab | Wholesale & retail | 2020 |
| Oy Stockback Ltd | Financial services | 1993 |
| Oy Suomen Sirkusväline Ab | Arts & recreation | 1982 |
| Oy Suomen Sähköinen Viestintä - Scape Network Ltd. | Information & communication | 1996 |
| Oy Swot Consulting Finland Ltd | Professional & scientific | 2002 |
| Oy Särkkäin Lomaparatiisi 2 | Real estate | 1991 |
| Oy Tamlans Ab | Manufacturing | 1998 |
| Oy Tampella Ab | Manufacturing | 1997 |
| Oy Tampere Pro-Audio Systems Ab | Professional & scientific | 1986 |
| Oy Tampereen White House LKV | Real estate | 2015 |
| Oy Tamware Ab | Manufacturing | 1975 |
| Oy Trollimatkailut Ab | Transport & logistics | 2019 |
| Oy Trundle Ltd | Professional & scientific | 1996 |
| Oy TuloksenTuplausToimisto Ab | Professional & scientific | 2009 |
| Oy Unic Solutions Ltd | Professional & scientific | 2012 |
| Oy Viitaniemen Ratsutila Ltd | Arts & recreation | 2006 |
| Oy Vip Vision Ab | Arts & recreation | 2020 |
| Oy Visima Ab | Financial services | 1989 |
| Oy Willehard & Co Ab | Professional & scientific | 2018 |
| Oy Winterroad Consulting Ltd | Financial services | 2017 |
| Oy Wolflake Consulting Ab | Administrative & support | 2026 |
| Oy World Trade Brokers WTB Ab | Manufacturing | 1997 |
| Oy Ylläksen Yksitoista | Real estate | 1989 |
| Ozonium Oy | Administrative & support | 2020 |
| Ozymandias oy | Other services | 2021 |
| P&K Development Oy | Information & communication | 1993 |
| P&M Holdings Oy | Financial services | 2023 |
| P&R Health Oy | Health & social care | 2015 |
| P. Lukkala Ky | Construction | 2006 |
| P.S. Kahvia Oy | Hospitality | 2025 |
| P.V. Mäkinen Ky | Wholesale & retail | 1982 |
| P2P Media Oy | Professional & scientific | 2014 |
| PA-Kiinteistöt Oy | Real estate | 2018 |
| PAIM Oy | Financial services | 2019 |
| Pasel Group OY | Wholesale & retail | 2022 |
| PB Management Oy Ltd | Arts & recreation | 2020 |
| PDSVision Oy | Information & communication | 2012 |
| PDX-Plan Oy | Professional & scientific | 1998 |
| Pegasos Events OY | Arts & recreation | 2017 |
| Peltonen Performance OY | Education | 2023 |
| PETROL Hiusasema Oy | Other services | 2020 |
| PF-palvelut Oy | Professional & scientific | 2021 |