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.