Small Magellanic Cloud 
System Management Center 
Standard Microsystems Corporation 
SAR Mission Coordinator 
Sergeant Majors Course 
Systems Management Center 
Systems, Man and Cybernetics 
Scientific Manpower Commission 
Segmented maintenance cask 
Sheet molding compound 
SIMCA 
smooth muscle cell 
Space and Missile Center 
Stichting Mathematisch Centrum 
Surface Mount Component 
surface movement control 
Safe Mode Command 
San Miguel Corporation 
Secure Managed Client 
Senior Management Committee 
Senior Management Council 
Serial Magnitude Command 
Service Management Center 
Small Multiuser Computer 
SMC Networks 
Space and Missile Systems Center 
Standard Management Committee 
Statistical Mechanics of Combat 
Status Monitoring and Control 
Strategic Management Council