| EMMA Consulting Oy Ab | Professional & scientific | 2019 |
| Efraim Henrikssons Pälsdjursfarm Ab | Agriculture & fishing | 1996 |
| Eltre El-service Henriksson & Co | Real estate | 1984 |
| Enbacka Ab | Real estate | 1998 |
| Envik & Björkholm öppet bolag | Hospitality | 2013 |
| Eriksson Bo-Erik Ab | Agriculture & fishing | 1995 |
| Eriksson Kurt Pälsfarm Kb | Agriculture & fishing | 1975 |
| Evinto Ab | Construction | 2016 |
| FB-Marine Ab | Wholesale & retail | 2007 |
| Fastighets Ab Bangatan 13 | Real estate | 1997 |
| Fastighets Ab Glasbruket | Hospitality | 2005 |
| Fastighets Ab Himmelsbacken | Real estate | 2024 |
| Fastighets Ab Jakobstadsvägen 26 | Real estate | 2006 |
| Fastighets Ab Mejeriet | Real estate | 2011 |
| Fastighets Ab Märaskär | Real estate | 2014 |
| Fastighets Ab Nykarleby Bostäder-Kiinteistö Oy Uudenkaarlepyyn Asunnot | Real estate | 1996 |
| Fastighets Ab Woodworks | Real estate | 2014 |
| Foxstock Finland Ab | Administrative & support | 2016 |
| Frill-Fox, öppet bolag | Agriculture & fishing | 1988 |
| Frill-Invest Ab | Real estate | 2015 |
| Frostdahl Infra Ab Oy | Transport & logistics | 2002 |
| Frösö Vattenandelslag | Water & waste | 2013 |
| Fysiotrim Ab Oy | Health & social care | 2017 |
| G & K Eriksson Ab | Manufacturing | 1996 |
| GV Lindvall Öppet bolag | Wholesale & retail | 2004 |
| Glasbruksvägens Vattenandelslag | Water & waste | 2015 |
| Go Green Transport Ab | Transport & logistics | 2020 |
| Granlunds El Ab | Construction | 2025 |
| Gustav Wikblad Pälsfarm Ab | Agriculture & fishing | 1996 |
| Gårdsbruket M & A Lindvall, öppet bolag | Agriculture & fishing | 2002 |
| Gösta Sandberg kommanditbolag | Hospitality | 1983 |
| H. Nukala Ab | Transport & logistics | 1987 |
| Hasa Staffing AB | Administrative & support | 2021 |
| HDT Invest Ab | Financial services | 2021 |
| HK-Yhtiöt Oy | Transport & logistics | 1971 |
| HURRIKAN PAINTBALL GAMES öppet bolag | Wholesale & retail | 2011 |
| Hagbo Fur Ab | Agriculture & fishing | 2013 |
| Hallalaakso Group Oy | Professional & scientific | 2023 |
| Hasa Workers Oy | Construction | 2026 |
| Hauskraft Ab | Manufacturing | 2024 |
| Hedemo Gård Ab | Agriculture & fishing | 2018 |
| Hedwig Ab Oy | Professional & scientific | 2021 |
| Henrikssons Pälsfarm Ab | Agriculture & fishing | 1976 |
| Hiekkasonni Ab Oy | Agriculture & fishing | 2026 |
| Holländer & Enholm - The Wellness Company Ab Oy | Other services | 2022 |
| Holma T & T kommanditbolag | Agriculture & fishing | 1992 |
| IV Osat Suomi Oy | Wholesale & retail | 2014 |
| InWestcoast Ab | Professional & scientific | 2019 |
| Indican invest Ab | Hospitality | 2017 |
| Ingenjörsbyrå Kronqvist Ab | Professional & scientific | 2005 |
| J B Entreprenad Ab | Construction | 2011 |
| J Blomqvist Öppet Bolag | Agriculture & fishing | 2020 |
| JA Partners Ab | Wholesale & retail | 2019 |
| JH-Fox Ab | Agriculture & fishing | 1997 |
| JME Bygg Ab | Construction | 2013 |
| Jakobstads Audioconsult Kb | Public administration | 1987 |
| Jepro Ab Oy | Manufacturing | 2023 |
| Jocki's Taxi Ab Oy | Transport & logistics | 2008 |
| Johanssons Transport Ab | Transport & logistics | 1984 |
| Juniko Bygg Ab | Administrative & support | 2016 |
| Juthbacka Mat och Boende Ab | Hospitality | 2016 |
| Juthfors Ab | Real estate | 2002 |
| K & S Sjötransport Ab | Construction | 2007 |
| K. V. Blomqvist Ab | Manufacturing | 2002 |
| K.I.B. Trans Ab | Transport & logistics | 1975 |
| Karbola Ab | Real estate | 1994 |
| Kb Fox-Lin | Agriculture & fishing | 1976 |
| Kb Lillkvist Service Center Ky | Administrative & support | 1995 |
| Komsol Finland Oy Ab | Construction | 2016 |
| Kovjoki Vatten Ab | Water & waste | 1968 |
| Kronogris Ab/Oy | Agriculture & fishing | 2003 |
| Kronqvist Leif Ab | Manufacturing | 2013 |
| Kronqvist bolagen Ab - Kronqvist yhtiöt Oy | Construction | 1996 |
| Krosskivi Ab | Mining & quarrying | 2019 |
| Krypet Ab | Agriculture & fishing | 2022 |
| Kuusisaari Power & Investment Ab Oy | Construction | 2018 |
| Kvist Marketing Ab Oy | Professional & scientific | 2021 |
| L.P Composite Ab | Manufacturing | 2026 |
| LF-Relationship öppet bolag | Professional & scientific | 2002 |
| Lars och Gustav Wikblads Pälsfarm | Agriculture & fishing | 1985 |
| Lars-Göran Sjöholm & Co Ab | Agriculture & fishing | 1983 |
| Lindh Entreprenad Ab Oy | Manufacturing | 2026 |
| Lindvall Entreprenad, öppet bolag | Construction | 1991 |
| Lindvalls Måleri Ab | Manufacturing | 1998 |
| Linked by Art Ab | Professional & scientific | 2025 |
| Linqvist Rune Ab | Administrative & support | 1995 |
| Livlinan Ab | Health & social care | 2011 |
| Losolution Ab | Wholesale & retail | 2014 |
| Losvik & Flen Ab Oy | Professional & scientific | 2021 |
| Losvika Ab | Professional & scientific | 2010 |
| Lövs Pälsfarm Ab | Agriculture & fishing | 1996 |
| M Wasberg Kb Ky | Wholesale & retail | 2016 |
| M. Forsbacka Ab | Financial services | 2016 |
| MIKA-EL Ab | Construction | 2019 |
| Maconde Ab Oy | Professional & scientific | 2026 |
| Markoplan Invest Ab | Professional & scientific | 1986 |
| Mernia Oy | Financial services | 2019 |
| Mietas Service Ab | Administrative & support | 2017 |
| Minage Ab | Manufacturing | 2014 |
| Mjut Ab Oy | Financial services | 2014 |