Customer Service Record 
Customer Service Representative 
Center for Scientific Review 
Control and Status Register 
Corporate Social Responsibility 
Center for Space Research 
Computer Sciences Raytheon 
controlled supply rate 
Communications Service Request 
Comprehensive School Reform 
Civil Service retirement 
Control Status Register 
Customer Station Rearrangement 
Customer Support Representative 
Customer Support Room 
Cell Switch Router 
central source registry 
central supply room 
Certificate Signing Request 
Certification Status Report 
Check Signal Return 
Cheyne-Stokes respiration 
class switch recombination 
Clock Shift Register 
commander's summary report 
Communications Support Room 
Composition System Replacement 
Conically Scanning Radiometer 
Continental Shelf Research 
Continuous Speech Recognition