| Student Academic Support Services | Academic & Science |
| Society for the Advancement of Scandinavian Study | Academic & Science |
| Student Academic Success Services | Academic & Science |
| St Andrew’s Secondary School | Academic & Science |
| School of Audiology and Speech Sciences | Academic & Science |
| Students Against Starting Smoking | Academic & Science |
| Student Academic Support System | Academic & Science |
| School Alliance of Student Songwriters | Academic & Science |
| Student Academic Success Service | Academic & Science |
| Shanghai Academy Of Social Sciences | Academic & Science |
| System Of Accountability For Student Success | Academic & Science |
| State Authorities Superannuation Scheme | Business |
| Statistics and Actuarial Science Society | Community |
| Screening Assessment and Support Services | Community |
| Short Attention Span Syndrome | Community |
| Stonewall Activism Saturday School | Community |
| School Administrative and Support Staff | Community |
| Students Against Student Shootings | Community |
| Speak And Spell Simulator | Community |
| School Administration And Support Staff | Community |
| Students As School Security | Community |
| Self Awareness And School Support | Community |
| Stars Against Scandals Scandals | Community |
| Schools And Staffing Survey | Community |
| System Acquisition Support Service | Computing |
| Size And Shape Specifier | Computing |
| Stereo Ambient Sampling System | Electronics |
| Syntactically Awesome Style Sheets | General |
| Syntactically Awesome Stylesheets Sass | General |
| Syntactically Awesome Stylesheet Sass | General |
| Suicide Awareness Survivor Support | General |
| Semi Active Suspension System | General |
| Season All Stuff Sauce | General |
| Small A Single Speed | General |
| Special Air Soft Service | General |
| Social Activism Speaker Series | General |
| Size And Shape Specifiers | General |
| Sexual Assault Support Services | Governmental |
| Surviving Assault and Standing Strong | Governmental |
| Surviving Assault Standing Strong | Governmental |
| South African Secret Service | Governmental |
| Stay Alert And Stay Safe | Governmental |
| State Authorities Super Scheme | Governmental |
| Sexual Assault Services Of Saskatchewan | Governmental |
| Skagafjordur Archaeological Settlement Survey | Medical |
| Supporting Arms Special Staff | Military and Defence |
| Semi-auto Sniper System | Military and Defence |
| Standard Army Survivable Shelter | Military and Defence |
| Single Action Shooting Society | Sports |
| Stock Analysis and Selection Software | Stock Exchange |
