Aerospace
- Aerospace Industries Association
- Any of the following airports:
- Adelaide International Airport
- Alliance Municipal Airport in Alliance, Nebraska (IATA Code: AIA)
- Asuncion International Airport, in Luque, Asuncion, Paraguay
- Athens International Airport, serving Athens, the Greek capital
- Auckland Airport in Auckland, New Zealand
- American International Airways, now known as Kalitta Air
- Avies, an Estonian airline (ICAO code: AIA)
Read more about this topic: AIA