| Ab Bromarv Skogstjänst | Agriculture & fishing | 2008 |
| Ab ConCura Oy | Professional & scientific | 1991 |
| Ab Ekenäs Motorservice - Tammisaaren Moottorihuolto Oy | Other services | 1982 |
| Ab FT-Tools Oy | Manufacturing | 2013 |
| Ab Max's VVS-LVI Oy | Construction | 1990 |
| Ab Sarkone Oy | Real estate | 2007 |
| Ab Ten-Lan | Real estate | 1993 |
| Amalda Oy | Other services | 2025 |
| Amisong Oy Ab | Arts & recreation | 1996 |
| Asplund Lantbruk öppet bolag | Agriculture & fishing | 2025 |
| BOW Konsult Ab | Information & communication | 1999 |
| BR Business & Brand Development Oy | Professional & scientific | 2025 |
| Bambi Eats Oy | Hospitality | 2024 |
| Br. Holmberg Transport Ab | Transport & logistics | 1990 |
| Business Consultant LEAD BETTER Oy | Professional & scientific | 2012 |
| Bygg S Grönroos Ab | Construction | 2022 |
| Conifemte AB | Financial services | 1987 |
| Carbide Tools Norden Oy Ab | Wholesale & retail | 1993 |
| Chaps Invest Oy | Real estate | 2020 |
| DE Bygg Ab Oy | Construction | 2021 |
| Daminer Oy | Construction | 2021 |
| Decorative Life Oy | Wholesale & retail | 2012 |
| E-Schakt Oy Ab | Construction | 2007 |
| EkeRiv Ab Oy | Construction | 2010 |
| El-Tek Rosenberg Kb | Construction | 2001 |
| Erkola Musik Oy | Arts & recreation | 2007 |
| Fastighets AB Tenala Sparbank | Real estate | 2008 |
| Fastighets Ab Kyrkbacka | Real estate | 2015 |
| Fastighets Ab Käldavägen 1 | Real estate | 2016 |
| Fastighets Ab Tenala Sandbacka 2 | Real estate | 2022 |
| Finnbolt Oy Ab | Manufacturing | 2019 |
| GARRY Gurumaffian Ab | Administrative & support | 2019 |
| GB Nordic Ab | Professional & scientific | 2021 |
| HG Fastighetsservice Ab | Administrative & support | 2026 |
| Henrik Lindholm Gräv Ab Oy | Construction | 2021 |
| HerrgårdsGlass Ab | Manufacturing | 2011 |
| Home Mold Solutions HMS Ab | Wholesale & retail | 2023 |
| HomeBay Inventions Oy | Manufacturing | 2018 |
| Hulta Vatten | Water & waste | 2009 |
| JCL Service Oy Ab | Construction | 2005 |
| JesMic Hemtjänst Ab | Health & social care | 2020 |
| Kaffingo Ab Oy | Hospitality | 2021 |
| Ki-Tec Oy | Construction | 2022 |
| Kiinteistö Oy Tenholan Rantakartano - Fastighets Ab Tenala Strandgård | Real estate | 1988 |
| Klaus Nyberg Kb | Construction | 2009 |
| Komorebi Ab | Professional & scientific | 2020 |
| Krokby Entreprenad Ab | Transport & logistics | 2010 |
| Krokby Skogstjänst Ab | Agriculture & fishing | 2017 |
| Kupanaha Oy | Financial services | 2019 |
| L-Service & Investment Oy Ab | Professional & scientific | 2015 |
| Laskio Oy | Professional & scientific | 2026 |
| List Capital Ab | Professional & scientific | 2019 |
| MHL-Trans Ab | Transport & logistics | 1993 |
| MNy Arkitekter Ab | Professional & scientific | 2020 |
| Mangala Oy | Professional & scientific | 2015 |
| Mastemi Ab | Financial services | 2020 |
| Mauritz Partners Oy Ab | Real estate | 2024 |
| Mecano Ab Oy | Construction | 2016 |
| Myrstrand Ab Oy | Financial services | 2002 |
| Nordic Heritage Group Oy | Professional & scientific | 2010 |
| NxtStride Finland Oy | Professional & scientific | 2024 |
| Oxhagen Fastigheter Ab | Real estate | 2020 |
| Oy Elftec Ab | Wholesale & retail | 1989 |
| Oy Gamla Industrivägen Ab | Construction | 2020 |
| Oy Klabbax Ab | Agriculture & fishing | 2011 |
| Oy Olav Westerlund Ab | Transport & logistics | 1999 |
| R&R Björkqvist Oy-Ab | Construction | 2023 |
| RPN Service AB | Construction | 2019 |
| Rakennuspalvelu Lahtinen Oy | Construction | 2008 |
| Raseborgs Blomstertjänst Ab | Wholesale & retail | 2006 |
| S & M Tallroth Ab Oy | Construction | 2000 |
| S-Trä Öppet bolag | Manufacturing | 1997 |
| SSA Juveler Ab | Wholesale & retail | 2020 |
| Sarins Grus Ab | Transport & logistics | 1985 |
| Secret Place Oy | Administrative & support | 2026 |
| Siggby Mellangård Ab | Agriculture & fishing | 2021 |
| Sjönkurvas Vattenandelslag | Water & waste | 2015 |
| StarLove Ab | Professional & scientific | 2024 |
| Stefans Maskinverkstad Kb | Manufacturing | 1983 |
| Stefans Såg och Gräv Ab | Wholesale & retail | 1992 |
| Svedjekulla Metall Ab - Svedjekullan Metalli Oy | Manufacturing | 2007 |
| TA-Vuokraus Oy Ab | Manufacturing | 2021 |
| Taxi Håkan Lindholm Kb | Transport & logistics | 2002 |
| Temator Ab | Wholesale & retail | 2002 |
| Tenala BioKraft Ab | Energy | 2016 |
| Tenala Transport Ab | Transport & logistics | 1978 |
| Tenmon Ab | Financial services | 2019 |
| Transport Åke Björkqvist Oy-Ab | Transport & logistics | 2000 |
| VNG Service Oy Ab | Construction | 2022 |
| Vikstrands Vattenandelslag | Water & waste | 2016 |
| Windicate Ab Oy | Professional & scientific | 2024 |
| Younium Ab | Health & social care | 2016 |
| solhyddan kb ky | Administrative & support | 1986 |
| Åskan Ab | Hospitality | 2019 |