Definition |
Category |
| Regional SIGINT (SIGnals INTelligence) Support Center | Military |
| Radiation Safety Short Course | Unclassified |
| Residential Summer String Camp | Residential |
| Radar Sonar Surveillance Center | Unclassified |
| Randolph Southern School Corporation | Companies & Firms |
| Regent Seven Seas Cruises | Unclassified |
| Regional Schools Service Center | Regional |
| Registered Side Sewer Contractors | Contractors |
| Republican Secretaries of State Committee | Committees |
| Research Surveys and Statistics Center | Research |
| Residential Sewer Service Charge | Residential |
| Respiratory Support and Sleep Centre | Unclassified |
| Robotics Society of Southern California | Robotics |
| Ross Schonder Sterzinger Cupcheck | Unclassified |
| Regional Satellite Communications (SATCOM) Support Center | Military |
| Regional Satellite Support Cell | Military |
| Regional Signals Intelligence (SIGINT) Support Center (NSA) | Military |
| Regional Space Support Center | Military |
| Republican Seismic Survey Center | Politics |
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