| AD VVS Ab | Construction | 2019 |
| AX Klabben Ab | Other services | 2023 |
| Ab MF-DROPS Oy | Wholesale & retail | 2011 |
| Ab Scibo | Professional & scientific | 1991 |
| Alandia FlowDog Ab | Arts & recreation | 2018 |
| Alltvätten Ab | Other services | 1988 |
| Andelslaget Bocknäs Vatten | Water & waste | 1991 |
| Ax Alfa Gamma Media Ab | Professional & scientific | 2006 |
| Ax Frakt Ab | Transport & logistics | 2024 |
| Boomar International Ab | Information & communication | 2013 |
| Bröderna Eriksson Ab | Real estate | 1968 |
| Bröderna Fagerström Ab | Construction | 2017 |
| Dirty Dyk Ab | Manufacturing | 2023 |
| EJV Holding AB | Financial services | 2025 |
| Eivor och Max Häggblom, öppet bolag | Hospitality | 1993 |
| Ekström & Dahlgrén öppet bolag | Hospitality | 2005 |
| Energipartner Åland Ab | Professional & scientific | 2015 |
| Fastighets Ab Enklingehus | Real estate | 2009 |
| Fastighets Ab Murargränd 1 i Mariehamn | Real estate | 2004 |
| Fastighets Ab Norrskog | Real estate | 1977 |
| Fastighets Ab Norråker i Saltvik | Real estate | 2003 |
| Fastighets Ab Ribacken | Real estate | 1979 |
| Fastighets Ab Torggatan 56 | Real estate | 2006 |
| Gun Lindmans Hälso- och Sjukvårdsservice Ab | Health & social care | 2014 |
| H Holding group Ab | Wholesale & retail | 2023 |
| Hägnaden Ab | Professional & scientific | 2019 |
| IFF Nordic Ab | Manufacturing | 2016 |
| Inductive Holding Ab | Financial services | 2022 |
| JoHa Golf Kb | Wholesale & retail | 2010 |
| Jägerströms Bilskrot Ab | Wholesale & retail | 1985 |
| Kvarnbo Gästhem Ab | Hospitality | 2001 |
| LAFSBÖLE Fri Tid AB | Other services | 1994 |
| Leons Hus Ab | Administrative & support | 2023 |
| Lotta Nummelin Ab | Professional & scientific | 2025 |
| Marina Hamnsundet Ab | Transport & logistics | 2019 |
| Mellangårds Service Ab | Agriculture & fishing | 2012 |
| Octego Ab | Information & communication | 2014 |
| Patriks Måleri Ab | Construction | 2002 |
| Ronnys-Mek Ab | Other services | 2016 |
| Saltviks bilskrot öppet bolag | Wholesale & retail | 2006 |
| Sanic CMJ Ab | Hospitality | 1997 |
| Servicepunkten på Åland Ab | Construction | 1991 |
| Storgårds lantbruk Ab | Agriculture & fishing | 2017 |
| Sunds Byggtjänst Ab | Construction | 1975 |
| Susis Taxi Kb | Transport & logistics | 1993 |
| Tältfixarna Åland AB | Administrative & support | 2023 |
| Östan Konsult Ab | Professional & scientific | 2024 |