| AGraceinvest Ab | Financial services | 2021 |
| AX-Drive Ab | Transport & logistics | 2025 |
| Ab CD-Partner Finland Oy | Information & communication | 2012 |
| Ab Signatur B | Professional & scientific | 1989 |
| Ab Station L | Professional & scientific | 2022 |
| Adriatic Trade Ab | Wholesale & retail | 2021 |
| Airis redovisning Ab | Professional & scientific | 2025 |
| Amalias Fastigheter Ab | Real estate | 2023 |
| Ax Sjöentreprenader AB | Transport & logistics | 2017 |
| Bellof Island Oy | Professional & scientific | 2023 |
| Bengts Holding Ab | Financial services | 2022 |
| BjörnEs Måleri Ab | Construction | 2023 |
| Blueberry Maybe Ab Ltd | Information & communication | 2024 |
| Bryggeri Ab Bock - Wasa | Manufacturing | 2005 |
| Budgetrent Ab | Administrative & support | 2002 |
| CMALT korporation AB | Real estate | 2021 |
| CR Holding Ab | Financial services | 2006 |
| Concret Solutions Ab | Professional & scientific | 2024 |
| Dahlsborg Ab | Hospitality | 2012 |
| E.M Ekonomi & Kommunikation AB | Professional & scientific | 2020 |
| EmmaLi Gruppen Ab | Professional & scientific | 2019 |
| Evert's Ab | Real estate | 1989 |
| Fastighets Ab Fridhem i Lemland | Real estate | 2006 |
| Fastighets Ab Söderby Center | Real estate | 1989 |
| Fastighets Ab Västra Utfarten | Real estate | 1994 |
| Folkes Hus Ab | Real estate | 2016 |
| GA Bygg Ab | Construction | 2016 |
| Gårdsbacken Ab | Agriculture & fishing | 2022 |
| Hamnsafety Mariehamn Ab | Manufacturing | 2026 |
| Hamsafe Ab | Manufacturing | 2026 |
| Hantverkshuset Ab | Construction | 2021 |
| Hembageriet Amalia Ab | Manufacturing | 2019 |
| Humlan Ab | Hospitality | 2017 |
| Inrederiet Daysee Norrby öppet bolag | Information & communication | 1997 |
| Jans Grävservice Ab | Construction | 2022 |
| Johnny Nordman Ab | Health & social care | 2006 |
| KEA Aktiebolag | Wholesale & retail | 1969 |
| KRB Invest & Konsult Ab | Professional & scientific | 2025 |
| Kalles Gräv Ab | Construction | 2025 |
| Karbovik Ab | Hospitality | 2024 |
| Karlssons bygg och gräv Ab | Construction | 2019 |
| Kenneths VVS Ab | Construction | 2015 |
| LEE Wind Energy Solutions Ab | Energy | 2023 |
| Lakehill Ab | Professional & scientific | 2011 |
| Legasus Ab | Financial services | 1988 |
| Lemböte Södergårds öppet bolag | Health & social care | 2016 |
| Lemlands Bygg, öppet bolag | Construction | 1990 |
| Librico Ab | Financial services | 1990 |
| Lumparlands Såg Ab | Manufacturing | 1987 |
| Lundin VVS AB | Construction | 2026 |
| M&R Eriksson öppet bolag | Wholesale & retail | 1998 |
| M-Job Ab | Transport & logistics | 2012 |
| Mercedes Chokladfabrik Ab | Manufacturing | 2018 |
| Modebutiken Åland Ab | Wholesale & retail | 2020 |
| Märrskatehöjden Ab | Financial services | 2016 |
| NIJO Hunting, Living & Adventures Ab | Arts & recreation | 2026 |
| Nordson Import, Kb | Construction | 1985 |
| Open Water Brewery AB | Manufacturing | 2016 |
| Pascal Consulting Ab | Professional & scientific | 2024 |
| Rosebo Konserv Ab | Manufacturing | 1992 |
| Rosengs hantverk öppet bolag | Manufacturing | 2004 |
| Roto construction Ab | Construction | 2020 |
| Rödhamns Expressen öppet bolag | Hospitality | 1998 |
| SM Hantverk Ab | Construction | 2026 |
| Sektor Nordic Ab | Information & communication | 2008 |
| Senses öppet bolag | Wholesale & retail | 2015 |
| Servicetjänster Åland Ab | Hospitality | 2016 |
| Servios Åland Ab | Professional & scientific | 2010 |
| Silverstrand Ab | Health & social care | 2021 |
| Snickelin AB | Construction | 2024 |
| Solliden AB | Other services | 2016 |
| Storklobb Ab | Hospitality | 2019 |
| Ties Ab | Professional & scientific | 2024 |
| TomKonsult Ab | Construction | 2023 |
| Tredax Ab | Manufacturing | 2022 |
| Trä-montage Ab | Construction | 2024 |
| Villa Valentina Ab | Hospitality | 2023 |
| Vinnarskap Ab | Information & communication | 2016 |
| Västerro Ab | Manufacturing | 2014 |
| Wilu Ab | Administrative & support | 2018 |
| Xylogik Ab | Construction | 2023 |
| ax-stallions ab | Agriculture & fishing | 2021 |
| ermida Ab | Professional & scientific | 2020 |
| Ängösunds forell, Eriksson & Co | Agriculture & fishing | 1984 |
| Ålands Skogsägare Andelslag | Agriculture & fishing | 2015 |
| Åländska IT-lösningar Ab (AITL) | Information & communication | 2018 |
| Öppet Åland Ab | Information & communication | 2020 |
| Öppna bolaget Punk Spark | Manufacturing | 2001 |