| System Science Applications | Academic & Science |
| Shallow Self-Absorbed | Academic & Science |
| Same-Sex Attraction | Academic & Science |
| Seismological Society of America | Academic & Science |
| Soaring Society of America's | Academic & Science |
| Swiss Society of Aerobiology | Academic & Science |
| Stout Student Association | Academic & Science |
| Secular Student Alliance | Academic & Science |
| Student Success Advisor | Academic & Science |
| Succinic SemiAldehyde | Academic & Science |
| Secondary Switching Area | Academic & Science |
| Special Savings Account | Accounts and Finance |
| Salvador | Airport Code |
| Sistema JSFC | Business |
| Service Sector Assistant | Business |
| Sandhills Suri Alpacas, L. L. C. | Business |
| Saatchi & Saatchi, P. L. C. | Business |
| Self Storage Association | Business |
| Service Station Association | Business |
| Sovereigns Supranationals and Agencies | Business |
| Sulphosalicylic Acid | Chemistry |
| Shared Service Arrangement | Community |
| Soprano Soprano Alto | Community |
| Society of St. Andrew | Community |
| Safe School Ambassadors | Community |
| Survivors of Sexual Assault | Community |
| Society for the Study of Addiction | Community |
| Service Specialists Association | Community |
| Severn Sailing Association | Community |
| Specialty Sleep Association | Community |
| Singapore Soka Association | Community |
| School Superintendents of Alabama | Community |
| Secondary School Apprentice | Community |
| School Superintendent Assessment | Community |
| Sumi-e Society of America | Community |
| Stereo Source Amplifier | Computer Hardware |
| Slot-to-socket Adapter | Computer Hardware |
| System Security Administrator | Computing |
| Senior System Administrator | Computing |
| Secondary Security Administrator | Computing |
| Specific Support Actions | Computing |
| Smart Storage Administrator | Computing |
| Serial Storage Architecture | Computing |
| Sub Station Alpha | Computing |
| Start of Selected Area | Computing |
| Station Select Address | Computing |
| Sql Server Agent | Computing |
| Sygate Security Agent | Computing |
| Security Server Agent | Computing |
| Snmp Sub Agent | Computing |
| Self Servicing Account | Computing |
| Sun System Analysis | Computing |
| System Security Analysis | Computing |
| Super Systems Administrator | Computing |
| Super Spammers Anonymous | Computing |
| Software Subscription Agreement | Computing |
| Sub-saharan Africa | Country Specific |
| Segment Search Argument | Database Management |
| Solid State Amplifier | Electronics |
| Social Security account | General |
| Stochastic Simulation Algorithm | General |
| Social Security Ad | General |
| Server Side Application | General |
| Significant Scientific Agreement | General |
| Segment Search Arguments | General |
| Senior Special Agent | General |
| Sarv Shiksha Abhiyan | General |
| Special Service Area | General |
| Super Semi Automatic | General |
| Super Strong Arms | General |
| Short Sale Approval | General |
| Service Systems Associates | General |
| Sarv Siksha Abhiyan | General |
| Specific Surface Area | General |
| Side Saddle Association | General |
| Scaled Shape Ap | General |
| Static Simple Assignment | General |
| Stop Sign Assist | General |
| Start Stop Automatic | General |
| State Switching Absorber | General |
| Speedway Sedans Australia | General |
| Showroom Stock A | General |
| Shock Sensor Alarm | General |
| Safe System Approach | General |
| Safe Speed Assessment | General |
| Side Slip Angle | General |
| Subaru Southern Africa | General |
| Saab Scania of America | General |
| Suspension Specialists Association | General |
| Smart Shield Actuator | General |
| Sarva Shiksha Abhiyan | Goa Government |
| Street Skaters Association | Governmental |
| Social Security Act | Governmental |
| The Social Security Administration | Governmental |
| Sector-Specific Agencies | Governmental |
| Standard Spending Assessment | Governmental |
| Singular System Approach | Governmental |
| Secret Service Agent | Governmental |
| Social Security Administration | Healthcare |
| SIRSA | Indian Railway Station |
| Static Single Assignment | Information Technology |
| Super Smart A** | Internet |
| Supervisory Special Agent | Jobs |
| Side, Side, Angle | Maths |
| Streptococcal SuperAntigen | Medical |
| Single-Strand Annealing | Medical |
| Shared Services Agency | Medical |
| Sjoegrens Syndrome antigen A | Medical |
| Seronegative SpondyloArthropathy | Medical |
| Side-to-Side Anastomosis | Medical |
| Skin Sympathetic Activity | Medical |
| Superior Septal Approach | Medical |
| Super Smart Ass | Messaging |
| Shared Services Agreement | Messaging |
| Soldier Store Advance | Military and Defence |
| Standard Small Arms | Military and Defence |
| Space Situational Awareness | Military and Defence |
| Supply Support Activity | Military and Defence |
| Special Support Activity (nsa) | Military and Defence |
| Software Support Activity | Military and Defence |
| Strapdown Sensor Assembly | Military and Defence |
| Source Selection Authority | Military and Defence |
| Supply Support Area | Military and Defence |
| System Specification for Atccs (army Tactical Command and Control System) | Military and Defence |
| System Supportability Assessment | Military and Defence |
| Staff Support Activity | Military and Defence |
| Site System Administration | Networking |
| Single Static Assignment | Networking |
| Nilo-Saharan (Other) | Regional |
| Southern South America | Regional |
| Salvador, Buenos Aires, Brazil | Regional |
| Solar Survival Architecture | Space Science |
| S-band (1.98 To 2.2 Ghz) Single Access | Space Science |
| Shuttle Simulation Aircraft | Space Science |
| Space Suit Assembly | Space Science |
| Scratch Scoring Average | Sports |
| Soaring Society of America | Sports |
| Six Start Against | Sports |
| Sonic Stadium Awards | Sports |
| Sharp Shooters Association | Sports |
