| Standard Consolidated Statistical Area | Academic & Science |
| South Central Soccer Academy | Academic & Science |
| Supply Chain Student Association | Academic & Science |
| State and Consumer Services Agency | Business |
| South Cotswold Soaring Association | Business |
| Snia Certified Storage Architect | Certifications |
| Sun Certified System Administrator | Certifications |
| Sun Certified Solaris Admin | Certifications |
| Sun Certified Solaris Administrator | Certifications |
| Sun Certified Systems Administrator | Certifications |
| Society of Certified Senior Advisors | Certifications |
| School Curriculum and Standards Authority | Community |
| Stone Cold Steve Austin | Community |
| SuperComputing, The International Conference for High Performance Computing, Networking, Storage and Analysis, | Community |
| Secure Content Storage Association | Community |
| Signal Computing System Architecture | Computer and Networking |
| Sprite Club of South Australia | General |
| Ssaysperm Chromatin Structure Assay | General |
| Sandburg Center For Sky Awareness | General |
| Sperm Chromatin Structure Analysis | General |
| Super Crappy Sperm Analysis | General |
| Sperm Chromatin Structure Assay | Medical |
| Standard Chinese School of Australia | Regional |
| Supreme Council for Sport In Africa | Sports |
| Stock Car Speed Association | Sports |
| Steel Challenge Shooting Association | Sports |
| Sedgwick County Soccer Association | Sports |
| Southeast Cincinnati Soccer Association | Sports |
| Shelby County Soccer Association | Sports |
| Southeast Collegiate Soccer Alliance | Sports |