| ANTAS ÄGG Ab | Agriculture & fishing | 2009 |
| Ab Agro-Ytmek Oy | Manufacturing | 1998 |
| Ab Br Uljens Oy | Agriculture & fishing | 1996 |
| Ab K-J Lindsén Oy | Administrative & support | 1997 |
| Ab Närpes Ljud och Ljus Service Oy | Arts & recreation | 1985 |
| Ab SH Grönsaker Vihannes Oy | Agriculture & fishing | 2021 |
| Ab Vikars Grönsaker Oy | Agriculture & fishing | 2015 |
| Andelslaget Yttermark Kabel TV | Information & communication | 1978 |
| Arkticon Ab | Professional & scientific | 2024 |
| Clima Kontroll Ab | Construction | 1978 |
| Denimi Kiinteistö Oy | Real estate | 2021 |
| Famknös Holding Ab | Financial services | 2023 |
| Flickorna Ab | Information & communication | 2021 |
| H&P Fastigheter Ab Oy | Real estate | 2021 |
| H.E.M. Produkt, kommanditbolag | Manufacturing | 2005 |
| Ingels Trans Kb | Transport & logistics | 2003 |
| Jan Pått Ab | Wholesale & retail | 2022 |
| KMH Holding Ab | Financial services | 2018 |
| Maatila Ratus Oy | Agriculture & fishing | 2012 |
| Mekoma Oy Ab | Construction | 2017 |
| Noorgran Ab | Wholesale & retail | 2025 |
| Oneapps Ab Oy | Information & communication | 2016 |
| Oy Gulin Ab | Agriculture & fishing | 2007 |
| Oy H. Norrholm Ab | Wholesale & retail | 1994 |
| Oy Krs A-Clothing Ab | Manufacturing | 1998 |
| Oy Närpes Bilskola Ab | Education | 1959 |
| Oy OK-Plan Ab | Professional & scientific | 1996 |
| Oy P&J Puunmurskaus - Träkrossning Ab | Water & waste | 2011 |
| Oy Softblox Ab | Information & communication | 1996 |
| Oy Tommy Edsback Ab | Financial services | 2015 |
| Oy Yios | Wholesale & retail | 2015 |
| Petalax Hall-Invest Ab | Real estate | 1990 |
| Pro Audio & Light Ab | Arts & recreation | 2024 |
| Rakennustarvike Granliden Oy | Manufacturing | 2025 |
| Reno Kök Ab Oy | Manufacturing | 2022 |
| Rosengårds bilmåleri Kb | Transport & logistics | 1990 |
| Rovs Oy | Construction | 2016 |
| Sax Forest Ab Oy | Construction | 2019 |
| Signar Stenholm Ab | Agriculture & fishing | 1998 |
| Smiths Garden Ab | Agriculture & fishing | 2006 |
| Ström Fastigheter Ab | Real estate | 2006 |
| Ström Transport kommanditbolag | Transport & logistics | 2007 |
| Ströms Grönsaker Ab | Agriculture & fishing | 2016 |
| Sundman Service öppet bolag | Manufacturing | 2021 |
| TE Trading Ab | Real estate | 1985 |
| Teirs Pälsfarm Ab | Agriculture & fishing | 2013 |
| Westerbacks Farm Ab | Agriculture & fishing | 1996 |
| Westerstu Farming Oy Ab | Agriculture & fishing | 2010 |
| Yttermark Bankhus Ab Oy | Real estate | 2025 |
| Yttermark Bygg Kb | Construction | 1983 |
| Åsens Kontorsservice Öppet Bolag | Professional & scientific | 1995 |