| Semantic Service Oriented Architecture | Academic & Science |
| SIP Service Oriented Architecture | Academic & Science |
| Sheffield School Of Architecture | Academic & Science |
| Steamboat Society Of America | Academic & Science |
| Shared Services and Outsourcing Advisory | Business |
| State Safety Oversight Agency | Business |
| Software Service of America, Incorporated (de-listed) | Business |
| South Sound Officials Association | Business |
| Shore Soccer Officials Association | Business |
| South Shore Outboard Association | Community |
| Saratoga Springs Owners Association | Community |
| Southeastern Sports Officials Association | Community |
| South Suburbs Officials Association | Community |
| Shore Soccer Official Association | Community |
| Special Summit Of The Americas | Community |
| Spiritual School Of Ascension | Community |
| Sahjanand School Of Achiever | Community |
| Shape Style And Overall Appearance | General |
| Surface Storage Operating Agreement | General |
| Sitka Sound Ocean Adventures | General |
| Segmented Semiconductor Optical Amplifier | General |
| Small Source Operating Agreement | General |
| Source Specific Operating Agreement | General |
| Self Service Operational Analysis | General |
| Social Statement On Abortion | General |
| Self Service Opportunity Assessment | General |
| South Sudan Opposition Alliance | Governmental |
| Shared Services Of Alaska | Regional |
| Siouxland Soccer Officials Association | Sports |
