| A Ahlros Pälsfarm Ab | Agriculture & fishing | 2012 |
| AB Sidbäck Bär OY | Agriculture & fishing | 1996 |
| Ab Arctic Pearl Ltd Oy | Wholesale & retail | 1996 |
| Ab Dahlblom Road Ltd Oy | Administrative & support | 2010 |
| Ab Florakompaniet Oy | Wholesale & retail | 2018 |
| Ab Mas-Con Oy | Manufacturing | 2003 |
| Ab Nojärv Trading Oy | Agriculture & fishing | 2013 |
| Ab Nylunds Handelsträdgård Oy | Agriculture & fishing | 1994 |
| Ab Paikane Oy | Wholesale & retail | 2001 |
| Ab PowerZone fitnessclub Oy | Arts & recreation | 2015 |
| Ab Pörteborg / Pirttilinna Oy | Wholesale & retail | 1999 |
| Ab RR Bygg & Slip Oy | Construction | 2002 |
| Ab Smått & Co Oy | Construction | 1984 |
| Ab Top-Elements Oy | Manufacturing | 2008 |
| Ahlback Virkesdrivning kommanditbolag | Agriculture & fishing | 2003 |
| BD management&invest Ab | Real estate | 2025 |
| Backens Trädgård Ab | Agriculture & fishing | 2020 |
| Backholms Verkstad Öppet Bolag | Other services | 1975 |
| Bar och Verkstad Ståhl & Söner Kb | Wholesale & retail | 1990 |
| Bo Lång AB | Wholesale & retail | 1966 |
| Bokföringsbyrå H. Ulfvens Kb | Professional & scientific | 1981 |
| Cafa-Tec Ab Oy | Construction | 2017 |
| Conny Söderbacks Trädgård Ab Oy | Agriculture & fishing | 2017 |
| Dahlshag Vatten Ab | Water & waste | 1973 |
| EP Taimisto-Plantskola Oy Ab | Agriculture & fishing | 1975 |
| Eks Handelsträdgård Ab | Agriculture & fishing | 1995 |
| Fastighets Ab Sparslanten | Real estate | 2008 |
| Gameclub Oy | Arts & recreation | 2009 |
| Helstore Oy | Administrative & support | 2016 |
| J & S Rajalan koneurakointi avoin yhtiö | Construction | 1999 |
| J&H Rajalan Koneurakointi avoin yhtiö | Construction | 2013 |
| J. Rosenqvist Ab | Transport & logistics | 1992 |
| Jami Product Öppet bolag | Agriculture & fishing | 2001 |
| Kimo Handelsträdgård Ab | Agriculture & fishing | 2007 |
| LB Bygg-Element Ab | Construction | 1986 |
| Laplom Green Ab | Agriculture & fishing | 2019 |
| Laploms Fastigheter Öppet bolag | Real estate | 1989 |
| Local Life Oy | Other services | 2009 |
| Långs Pälsfarm Ab | Agriculture & fishing | 1996 |
| MP Entreprenad öppet bolag | Construction | 2016 |
| Oy Conasan Ab | Wholesale & retail | 1996 |
| Oy HK Hakas Trädgård Ab | Agriculture & fishing | 1996 |
| Oy IM Flowergarden Ab | Agriculture & fishing | 2004 |
| Oy ND Properties AB | Real estate | 2008 |
| Oy Nelikontti Ab | Wholesale & retail | 1993 |
| Oy Pirtti Vilja | Agriculture & fishing | 1995 |
| Oy Sazza Ab | Administrative & support | 1990 |
| Oy SuunPlan Ab | Construction | 2002 |
| Oy Österlund & Paavola Ab | Agriculture & fishing | 1996 |
| Pörtom Bil & Traktor öppet bolag | Manufacturing | 1994 |
| Pörtom Handelsträdgård Ab | Agriculture & fishing | 1994 |
| Pörtom Karosseri Ab | Real estate | 1937 |
| Pörtom vattenandelslag | Water & waste | 1947 |
| Rebuilding & Co Ab Oy | Construction | 2023 |
| Rosenqvist Transport öppet bolag | Transport & logistics | 2019 |
| Rune Nylund Ab | Agriculture & fishing | 1995 |
| Sahne Torv Öppet bolag | Mining & quarrying | 1975 |
| Sotningstjänst Sören Staaf Kb - Nuohouspalvelu Sören Staaf Ky | Administrative & support | 1999 |
| SöderHög öppet bolag, avoin yhtiö | Manufacturing | 2009 |
| TheOgroup Ab | Real estate | 2025 |
| Toast Stop öppet bolag | Hospitality | 2023 |
| VIDACOS Oy | Wholesale & retail | 2016 |
| Varucentralen Hagman Kb | | 1982 |
| Åman Invest Ab | Financial services | 1988 |
| Öppet bolag CADORA | Wholesale & retail | 2008 |
| Öppet bolag Pörtom Separator | Real estate | 1994 |
| Övermark Antennandelslag | Information & communication | 1984 |