Army Security Agency 
American Standards Association 
Astronomical Society of the Atlantic 
Average Speed of Answer 
Acoustical Society of America 
Air Signal Attenuator 
automatic slack adjuster 
American Society of Agronomy 
acetyl salicylic acid 
Adaptive Security Appliance 
Advertising Standards Authority 
American Statistical Association 
Assured Shuttle Availability 
Austrian Space Agency 
acetylsalicylic acid 
Adaptive Security Algorithm 
Adaptive Simulated Annealing 
Administrative Support Assistant 
American Society of Anesthesiologists 
Antarctic Support Associates 
Army Space Agency 
Astronaut Science Advisor 
Autism Society of America 
Abandoned Shipwreck Act 
Abort Sensor Assembly 
accessible surface area 
Acrylate-Styrene-Acrylonitrile 
Adapter Service Area 
Adaptive Server Anywhere 
Address Space Announce