Countries currently served by Alstrom Syndrome International
- Algeria
- Argentina
- Australia
- Austria
- Belgium
- Brazil
- Bulgaria
- Canada
- China
- Colombia
- Denmark
- France
- Georgia
- Germany
- Greece
- Guadeloupe
- Hungary
- Iceland
- India
- Indonesia
- Ireland
- Israel
- Italy
- Japan
- Jordan
- Kuwait
- Lebanon
- Mexico
- Netherlands
- New Zealand
- Norway
- Pakistan
- Palestine
- Poland
- Portugal
- Puerto Rico
- Romania
- Saudi Arabia
- Serbia and Montenegro
- South Africa
- Spain
- Sweden
- Switzerland
- Taiwan
- Tunisia
- Turkey
- United Kingdom
- United States
- Uruguay
- Vietnam
- Wales