Vikipedi
CRS
- Cambridge Reference Sequence
- Camp Rising Sun
- Carrier Routing System
- Catholic Relief Services
- Center for Radiopharmaceutical Science
- Central Reservation System (ayrıca bknz. Computer reservations system)
- Centre for Refugee Studies
- Center for Rural Studies
- Cereal Research Station
- Chronic Rhinosinusitis
- Combined Road Services
- Community Relations Service
- Compagnies Républicaines de Sécurité
- Congressional Research Service
- Controlled Release Society
- Co-operative Retail Services
- Creation Research Society
- Crystal Red Shrimp