Agenzia Spaziale Italiana 
Additional Skill Identifier 
Adapter Support Interface 
Air Speed Indicator 
Automatic System Installation 
Aviation Safety Inspectors 
Agenzia Spaziale Italiano 
Alternate Space Inversion 
American Society of Indexers 
Army Space Institute 
Ashika 
Asynchronous Serial Interface 
Advanced Switching Interconnect 
Advertising Specialty Institute 
Astronomical Society of India 
Automated Shore Interface 
Addiction Severity Index 
Advanced Science Instrument 
Advanced Study Institute 
Advanced Systems Institute 
All-Sky Imager 
Amended Shipping Instructions 
American Society for Indexing 
American Standards Institute 
Ampere-Second Integration 
Application Software Interface 
Application Specific Information 
arterial stiffness index 
Artificial Sensing Instrument 
ATM Service Interface