| Strategic Customer Advisory Council | Business |
| Statewide Consumer Advisory Committee | Business |
| Saban Capital Acquisition Corp | Business |
| Suquamish Citizen Advisory Committee | Business |
| South County Advisory Council | Business |
| Suquamish Citizens Advisory Committee | Business |
| Saginaw County Animal Center | Community |
| Senior Citizens Advisory Council | Community |
| South Carolina Arts Commission | Community |
| School Community Advisory Council | Community |
| Senior Citizens Advisory Commission | Community |
| Superintendents Community Advisory Council | Community |
| Standing Committee on Administrative Co | Community |
| Speak Clear Association of Cameroon | Community |
| Slim Cessna's Auto Club | Community |
| Separate Circuit Aftercooler | Computer Technology |
| South Central Area Command | General |
| Sukhoi Civil Aircraft Corporation | General |
| Standard Catalog of American Cars | General |
| Standard Carrier Alpha Code | Governmental |
| Student Campaign Advancement Committee | Governmental |
| Scarborough Chinese Alliance Church | Governmental |
| Seattle Chinese Alliance Church | Governmental |
| Sedgwick County Association of Cities | Regional |
| South Carolina Association of Counties | Regional |
| Southern Cone Athletic Conference | Sports |
| Southern Collegiate Athletic Conference | Sports |
| Solano County Athletic Conference | Sports |
| South Central Athletic Conference | Sports |
