The meaning of the Acronym ISTA is...

ISTA is

• International Schools Theatre Association

More Meanings For ISTA:

• International Schools Theatre Association
• International Seed Testing Association
• International Schools Theatrical Arts
• Institute Of Space Technology And Aeronautics
• International Security Training Academy
• International Selling And Trade Association
• International Syclone Typhoon Association
• Intelligence, Surveillance, and Target Acquisition
• Intertank Structural Test Assembly

ISTA is also in:

• Farming
• Firms
• Military
• NASA
• Professional Organizations
• Unfiled
• Universities