United States (USA) (US)

Carnegie Observatories Research facility Pasadena, CA Carolinas HealthCare System Hospital Charlotte, NC Carolinas Medical Center Hospital Charlotte, NC Carr Astronautics Corporation Research facility Greenbelt, MD Carson Tahoe Regional Medical Center Hospital Carson City Carter BloodCare others Bedford, TX Case Western Reserve University University / College Cleveland, OH Catholic Health Initiatives (CHI) Hospital Englewood Catholic University of America University / College Washington, DC Cedar Crosse Research Center Research facility Chicago