Auxiliary/Cargo Submarine 
Safe Sector Altitude 
Salvia Sclarea Agglutinin 
Scandinavian Shipowners Association 
Selected Surface Aging 
Semiotic Society of America 
Sequential Spectrometer Accessory 
Serial Systems Analyzer 
Single Static Assignment 
Single-Stage Annealing 
Smoke Suppressant Additive 
Soaring Society of America, Inc. 
Solid-State Abstracts 
Solid-State Amorphization 
Specific Service Agreement 
Spherical Sector Analyzer 
Spontaneous Self-Assembly 
Spring Service Association 
State Space Analysis 
Static Strain Aging 
Steady-State Analysis 
System Standard Architecture 
South Suburban Airport 
System Support Analysis