Server Message Block 
Small and Medium Business 
SIMCA 
Small-Medium Business 
Space Meteorology Branch 
System Management Bus 
Shared-Memory Buffer 
simulated moving bed 
Standoff Minefield Breacher 
Suck My Balls 
supersonic molecular beam 
Surveys and Mapping Branch 
Systems Management Board 
salvia miltiorrhiza bunge 
Security Management Board 
selected mucosal biopsy 
Self-mutilating behavior 
self-mutilation behavior 
Self-mutilative behavior 
Senior Management Board 
Serer Message Block 
serial mezzanine board 
serum myoglobin 
Server Management Bus 
Server Message Blocks 
single-mask bumping 
Small and Midsize Business 
Small Medium Business and enterprise 
Small to Medium Business 
Small-to medium Businesses