Canadian Space Agency 
Certified Senior Advisor 
Canadian Standards Association 
Chief of Staff of the Army 
Child Support Agency 
Configuration Status Accounting 
Cognizant Security Agency 
Carrier Serving Area 
Communication Streaming Architecture 
Communications Service Authorization 
California Space Authority 
Common Storage Area 
Confederate States of America 
Chief of Staff, Army 
Client Service Agent 
Corps Storage Area 
CallPath Services Architecture 
Cambridge Scientific Abstracts 
charge sensitive amplifier 
Chief Software Architect 
chiral solvating agent 
clinical skills assessment 
Common Support Aircraft 
Communications Streaming Architecture 
Comprehensive System Accounting 
Computing Services Association 
Controlled Substances Act 
Cooperative Solar Array 
Calendaring and Scheduling API 
Canada Space Agency