| Soins de support après un Cancer | Academic & Science |
| Student Support and Advocacy Center | Academic & Science |
| Society for the Study of Architecture in Canada | Academic & Science |
| Social Security Advisory Committee | Business |
| State Student Advisory Council | Business |
| Security and Stability Advisory Committee | Business |
| Space Science Advisory Committee | Business |
| Staff Safety Advisory Committee | Business |
| Special Services Advisory Committee | Business |
| S Student Advisory Council | Business |
| Student Sustainability Advisory Committee | Business |
| Social Security Advisory Council | Business |
| Student Sustainability Advisory Council | Business |
| Security Stability Advisory Committee | Business |
| Scottish Sub Aqua Club | Community |
| Southsea Sub Aqua Club | Community |
| Support Staff Advocacy Committee | Community |
| Sloan Sports Analytics Conference | Community |
| South Shore Art Center | Community |
| Steel Support Aluminium Conductor | Electronics |
| Southwest Supply and Acquisition Center | General |
| Site Specific Alternative Criterion | General |
| Site Specific Alternative Criteria | General |
| Service Specific Access Control | General |
| Speedway Safety Advisory Committee | General |
| Side Slip Angle Control | General |
| School Safety Advocacy Council | Governmental |
| Source Selection Advisory Council | Military and Defence |
| Southern States Athletic Conference | Sports |
| Sunshine State Athletic Conference | Sports |
| South Shore Athletic Club | Sports |
