| MMH Invest Ab | Real estate | 2023 |
| MTM-Service, öppet bolag | Wholesale & retail | 1990 |
| Markus Björklunds Verkstad Ab | Manufacturing | 2007 |
| Michaels Svets Ab | Construction | 2024 |
| NB-Con Ab oy | Professional & scientific | 2021 |
| NORRHOLMENS GÅRD öppet bolag | Agriculture & fishing | 2014 |
| NRJS-Auto Oy | Wholesale & retail | 2026 |
| Nextgear, öppet bolag | Manufacturing | 2009 |
| NinMar Oy | Real estate | 2026 |
| Nordic Flanges Oy | Manufacturing | 1980 |
| Norrby Skolhus Ab | Real estate | 2022 |
| Norrpåras Torkbolag, öppet bolag | Agriculture & fishing | 1984 |
| Nynäs Energi Ab Oy | Financial services | 2023 |
| Nynäs Gräv, öppet bolag | Construction | 2005 |
| Näsebacka Invest Ab Oy | Real estate | 2024 |
| Ocmac Oy | Construction | 1998 |
| Oy Acu-Elektro Ab | Construction | 1982 |
| Oy Botnia-Foto Ab | Hospitality | 1990 |
| Oy DIY Holdings Ab | Professional & scientific | 2009 |
| Oy Eggpac Ab | Wholesale & retail | 1989 |
| Oy Green Ring Ab | Agriculture & fishing | 2023 |
| Oy Hagpapp Ab | Water & waste | 1989 |
| Oy Kiinteistöt - Fastigheter SMJM Ab | Real estate | 2021 |
| Oy Loimutuli Ab | Construction | 2022 |
| Oy Netbase Ab | Information & communication | 1990 |
| Oy Seocon Ab | Construction | 2013 |
| Oy Vatermo Ab | Wholesale & retail | 1979 |
| P & M Storbjörk Ab | Transport & logistics | 2012 |
| Paras Capital Oy | Professional & scientific | 2025 |
| Peter Furubacka Ab Oy | Manufacturing | 1991 |
| Puutikat Oy | Manufacturing | 2021 |
| RAAR Oy | Wholesale & retail | 2024 |
| Rendita Invest Ab | Financial services | 1989 |
| Runar Salo Ab | Agriculture & fishing | 1994 |
| Rönnqvist Fur Ab | Agriculture & fishing | 2013 |
| Rönnqvist Greger Ab | Agriculture & fishing | 1996 |
| S Bäck Ab Oy | Agriculture & fishing | 2024 |
| SK Trans Ab Oy | Transport & logistics | 1995 |
| Salos Gräv inneh. Erik och Runar Salo | Agriculture & fishing | 1976 |
| Sandra Media Group AB | Professional & scientific | 2024 |
| Selkälä Monitoimi AB | Construction | 2024 |
| Service Backlund Kb | Wholesale & retail | 1976 |
| Sirkuskoulu Kuu Oy | Education | 2018 |
| Sjölinds Transport Ab | Transport & logistics | 2016 |
| Skuthälla Invest Ab | Financial services | 2009 |
| Skuthälla's Åkeri Ab | Transport & logistics | 2014 |
| Sky-Kosmetologi Paula Björklund Ky | Other services | 1996 |
| Snåre Jordbyggnad öppet bolag | Construction | 1996 |
| Snåres Bageri P Snåre Kommanditbolag | Manufacturing | 1984 |
| Spikbacka Måleri Ab | Construction | 2002 |
| Steve & Marianne Björk Ab | Administrative & support | 2015 |
| Stig Grankull Pälsfarm Ab | Agriculture & fishing | 1986 |
| Still Invest, öppet bolag | Manufacturing | 1968 |
| Storvall Consulting Oy Ab | Professional & scientific | 2018 |
| Storvall Energi Ab Oy | Financial services | 2023 |
| Suomen Betonikorjaus Oy | Construction | 2004 |
| Söderby Entreprenad Ab | Construction | 2007 |
| Tommy och Bengt Hongell Ab | Construction | 1985 |
| Transport A&S öppet bolag | Transport & logistics | 2015 |
| Upvest Oy | Real estate | 2017 |
| VVS Max Abbors Ab | Construction | 2020 |
| Verkstan W & R Ab Oy | Other services | 2004 |
| Viss-Fränsvikens vattenandelslag | Water & waste | 2026 |
| WL TRECON Ab Oy | Construction | 2016 |
| Westslope Ab Oy | Professional & scientific | 2020 |
| Wikar & Libäck Öppet Bolag | Construction | 1999 |
| Zomefun Ab | Professional & scientific | 2019 |
| Åkerlund Invest Ab | Real estate | 2020 |
| Åsbro Mjölk, öppet bolag | Agriculture & fishing | 1999 |
| Åsbrogård Ab | Agriculture & fishing | 1999 |
| Öjbacka Holding Oy Ab | Financial services | 2023 |