| Rank | Abbreviation | Meaning |
|---|
| ***** | RRSC | Regional Remote Sensing Centres
| |
| **** | RRSC | Russian Railway Service Corps
| |
| *** | RRSC | River Road Swim Club
| |
| ** | RRSC | Richmond Rapids Swim Club
| |
| * | RRSC | Radioisotope and Radiation Safety Committee
| |
| * | RRSC | Radial Reflector Shipping Container
| |
| * | RRSC | Round Robin Showmanship Champion
| |
| * | RRSC | Research Register for Social Care
| |
| * | RRSC | ruthenium red-staining coat
| |
| * | RRSC | Reference and Research Services Coordinator
| |
| * | RRSC | Regional Readiness Sustainment Command
| |
| * | RRSC | Red River Soccer Club
| |
| * | RRSC | Regional Road Safety Committee
| |
| * | RRSC | Ronald Reagan Subject Collection
| |
| * | RRSC | Regional Road Safety Councils
| |
| * | RRSC | Research Radiation Safety Committee
| |
| * | RRSC | Recruitment Retention Support Center
| |
| * | RRSC | Radionuclide Radiation Safety Committee
| |
| * | RRSC | Red River Service Corporation
| |
| * | RRSC | Royal Rangers South Carolina
| |
| * | RRSC | Richmond Racers Swim Club
| |
| * | RRSC | Ross River Swimming Club
| |
| * | RRSC | Regional Resource Stewardship Council
| |
| * | RRSC | Rivanna River Soccer Club
| |
| * | RRSC | Response Remediation Services Company
| |