ZOLL Medical Corp. develops and markets medical devices and related software solutions for emergency care. It provides products for defibrillation and monitoring, circulation and CPR feedback, data management, fluid resuscitation, and therapeutic temperature management. The firm provides technologies which help fire professionals, clinicians, and rescuers in providing critical care and resuscitation treatment. It also designs software that automates data documentation and management for both clinical and non-clinical information. The company was founded by William Bright, Rolf S. Stutz, Paul M. Zoll, Leigh Stein, and Thomas M. Claflin in 1980 and is headquartered in Chelmsford, MA.