Siemens AG, 200 Mill Rd, Chelmsford, MA 01824, US

ZOLL Medical Corporation designs, manufactures and markets an integrated line of proprietary noninvasive cardiac resuscitation devices, disposable electrodes, mobile ECG systems and EMS data management solutions related to cardio-version and defibrillation. Used by health care professionals to provide both types of cardiac resuscitation, pacing and defibrillation, these products are essential in the emergency treatment of cardiac arrest victims both inside and outside the hospital. ZOLL markets and sells its products in more than 140 countries. The company has direct operations, distributor networks and business partners throughout the United States, Canada, Latin America, Europe, the Middle East, Asia and Australia. ZOLL Medical Corporation is located in Chelmsford, Mass.