| Åda Ab | Information & communication | 2014 |
| Ådit ab | Professional & scientific | 2009 |
| Åland Care Ab | Health & social care | 2026 |
| Åland Hotel Group ÅHG Ab | Hospitality | 1998 |
| Åland Invest ab | Financial services | 2021 |
| Åland Post Ab | Transport & logistics | 2008 |
| Åland Recycling Ab | Water & waste | 2025 |
| Åland Tourist Map Ab | Manufacturing | 2012 |
| Åland Unique AB | Administrative & support | 2011 |
| Ålands Alltjänst Ab | Construction | 1999 |
| Ålands Apoteks Produkter Ab | Wholesale & retail | 2008 |
| Ålands Apoteksvaror Ab | Wholesale & retail | 2013 |
| Ålands Bestädning öppet bolag | Administrative & support | 2011 |
| Ålands Bil & Maskin Ab | Other services | 1988 |
| Ålands Bil & Plåt Ab | Other services | 1974 |
| Ålands Bil o Delar Ab | Wholesale & retail | 1990 |
| Ålands Bisyssla Ab | Wholesale & retail | 2025 |
| Ålands Björntjänster Ab | Hospitality | 2006 |
| Ålands Bygg Ab | Construction | 2007 |
| Ålands Bygg Fastighets Ab | Construction | 2021 |
| Ålands Desk-Top Consulting Ab | Professional & scientific | 1994 |
| Ålands Ekonomikonsult Ab | Professional & scientific | 2006 |
| Ålands Elandelslag | Energy | 1956 |
| Ålands Elcenter Ab | Construction | 1986 |
| Ålands Electro Company Eleco Ab | Information & communication | 1994 |
| Ålands Elektrolindning AB | Manufacturing | 1981 |
| Ålands Fastighets Ab | Real estate | 1971 |
| Ålands Fastighetskonsult Ab | Real estate | 1983 |
| Ålands Floristerna Ab | Wholesale & retail | 1990 |
| Ålands Fotbollsgolf Ab | Arts & recreation | 2026 |
| Ålands Färg & Tapet Ab | Wholesale & retail | 1948 |
| Ålands Företagsbyrå Ab | Professional & scientific | 1973 |
| Ålands Försäkringar Ab | Financial services | 2020 |
| Ålands Garveri Ab | Real estate | 2014 |
| Ålands Glass | Wholesale & retail | 2025 |
| Ålands Gummi och Skoaffär, öppet bolag | Wholesale & retail | 1949 |
| Ålands Hematologi- och Onkologicentrum Ab | Health & social care | 2014 |
| Ålands Hudvårdscenter Ab | Other services | 2018 |
| Ålands Juristcenter Ab | Professional & scientific | 1983 |
| Ålands Juristkonsult Ab | Professional & scientific | 2012 |
| Ålands Kringlan, Kb | Manufacturing | 1976 |
| Ålands Lås & Säkerhet Ab | Professional & scientific | 2014 |
| Ålands Media Ab | Information & communication | 2021 |
| Ålands Miljö och Ekoisolering Ab | Construction | 1995 |
| Ålands Motorcompany Ab | Wholesale & retail | 1989 |
| Ålands Movie-Center Kb | Administrative & support | 1992 |
| Ålands Musik-Shop Ab | Wholesale & retail | 1986 |
| Ålands Näringslivs Servicebolag Ab | Education | 2013 |
| Ålands Persienn Ab | Manufacturing | 1984 |
| Ålands Pressdistribution Ab | Wholesale & retail | 2006 |
| Ålands Psykiatritjänster Ab | Health & social care | 2021 |
| Ålands Radio och Tv Ab | Information & communication | 1996 |
| Ålands Schakt Ab | Construction | 1977 |
| Ålands Servicecenter Ab | Other services | 2020 |
| Ålands Sjötrafik Ab | Transport & logistics | 2011 |
| Ålands Sjötransporter AB | Transport & logistics | 1994 |
| Ålands Skärgårdsrederi Ab | Transport & logistics | 1975 |
| Ålands Spränglager Ab | Wholesale & retail | 1980 |
| Ålands Stenhuggeri Ab | Manufacturing | 2023 |
| Ålands Tandvård Ab | Health & social care | 1988 |
| Ålands Tapetservice Kb | Construction | 2011 |
| Ålands Telekommunikation Ab | Information & communication | 1989 |
| Ålands Textiltvätt Ab | Other services | 2025 |
| Ålands Tidnings-Tryckeri Aktiebolag | Information & communication | 1897 |
| Ålands Tipset Ab | Real estate | 1996 |
| Ålands Tomtplanering A.b. | Wholesale & retail | 1990 |
| Ålands Transport kommanditbolag | Transport & logistics | 1967 |
| Ålands Trivselväxter Ab | Wholesale & retail | 1995 |
| Ålands Turist & Konferens Ab | Administrative & support | 2021 |
| Ålands Turistservice ab | Administrative & support | 1954 |
| Ålands Vindkraft Ab | Energy | 1997 |
| Ålands dyk & ribcharter AB | Administrative & support | 2017 |
| Ålands folkrederi aktiebolag | Transport & logistics | 2024 |
| Ålands plåt & ventilationsteknik Ab | Construction | 2019 |
| Ålands varuautomater Ab | Wholesale & retail | 2017 |
| Ålands Ömsesidiga Försäkringsbolag | Financial services | 1926 |
| Ålandsbanken Abp | Financial services | 1919 |
| Ålandsbanken Asuntorahasto II Ky | Financial services | 2025 |
| Ålandsbanken Asuntorahasto II Syöttörahasto Ky | Financial services | 2025 |
| Ålandsbanken Bostadsfond Fonder V Kb | Financial services | 2021 |
| Ålandsbanken Bostadsfond Fonder VI Kb | Financial services | 2021 |
| Ålandsbanken Fondbolag Ab | Financial services | 1998 |
| Ålandsbanken Fonder Ab | Financial services | 2018 |
| Ålandsbanken Fonder III Ab | Financial services | 2020 |
| Ålandsbanken Fonder IV Ab | Financial services | 2021 |
| Ålandsbanken Fonder V Ab | Financial services | 2021 |
| Ålandsbanken Fonder VI Ab | Financial services | 2021 |
| Ålandsbanken Havsvind I Kb | Financial services | 2022 |
| Ålandsbanken Merituuli I Syöttörahasto Ky | Financial services | 2023 |
| Ålandsbanken Vindkraft 1 Kb | Energy | 2020 |
| Ålandsbanken Vindkraft IV Kb | Energy | 2021 |
| Ålandsbaronen Ab | Wholesale & retail | 1975 |
| Ålandsbostäder Ab | Real estate | 2012 |
| Ålandsbostäder C Holdco Ab | Real estate | 2026 |
| Ålandsbostäder Projekt Ab | Real estate | 2024 |
| Ålandskliniken Ab | Health & social care | 2025 |
| Ålandssotarna AB | Administrative & support | 2024 |
| Ålandstryckeriet Ab | Manufacturing | 2000 |
| Ålclean Åland Ab | Administrative & support | 2007 |
| Åländska Hem Ab | Construction | 2007 |