| South Seattle Community College | Academic & Science |
| Southern State Community College | Academic & Science |
| Shelton State Community College | Academic & Science |
| Snead State Community College | Academic & Science |
| Sprott Shaw Community College | Academic & Science |
| Staff Student Counsultative Committee | Academic & Science |
| Student Staff Consultative Committee | Academic & Science |
| Staff Student Consultative Committee | Academic & Science |
| Student Staff Consultative Committees | Academic & Science |
| Shanghai Seagull Camera Company, Ltd. | Business |
| Smurfit Stone Container Corp | Business |
| Smurfit Stone Container Corporation | Business |
| Samoa Submarine Cable Company | Business |
| Smurfit Stone Container Company | Business |
| Student Senate Consultative Committee | Community |
| Social Science Coordinating Committee | Community |
| SIUE Successful Communities Collaborative | Community |
| Siren Song of the Counter Culture | Community |
| Symptom System Component Cause | Community |
| Sullivan Senior Citizen Center | Community |
| Sacrorum Cordium | Community |
| Social Science Computing Cooperative | Computing |
| Serial Shipping Container Code | Computing |
| Saskatoon Sports Car Club | General |
| Savannah Sports Car Club | General |
| Sunbeam Sports Car Club | General |
| Scottish Sporting Car Club | General |
| Sunshine State Cougar Club | General |
| Siskiyou Sports Car Club | General |
| Sudring Stock Car Club | General |
| Southland Sports Car Club | General |
| Sierra Sports Car Club | General |
| Speed Style Car Club | General |
| Southern Sporting Car Club | General |
| South Sacramento Care Center | General |
| Serial Shipment Container Code | General |
| Super Speedy Cider Con | General |
| Sulphide Stress Corrosion Cracking | General |
| Silverstate Classic Challenge | General |
| South Shore Corvette Club | General |
| Space Station Control Center | Governmental |
| Support Services Control Center | Governmental |
| Servicio Social Casa Central | International |
