Zoll

Founded in 1979 and headquartered in Chelmsford, Massachusetts, ZOLL Medical is a leading provider of medical devices and software solutions focused on critical care and resuscitation. The company operates across key sectors including Public Safety, EMS & Fire, Hospitals, and Cardiac Patient Management, offering products like defibrillators, automated CPR systems, wearable defibrillators (LifeVest), and data management software. As a subsidiary of Asahi Kasei, ZOLL is a mature, revenue-generating commercial entity with a strong global presence, leveraging innovation to address life-threatening cardiovascular and respiratory emergencies.

Integrated hardware-software platforms for resuscitation, cardiac monitoring, and sleep apnea management, featuring defibrillators, automated CPR, wearable cardiac monitors, and implantable neurostimulation.

ZOLL competes in fragmented but competitive segments. In defibrillators/AEDs and emergency care, key rivals are Philips and Stryker (Physio-Control). In wearable defibrillators, it is the market leader. In sleep apnea, it competes with giants ResMed and Philips in diagnostics/therapy, while its remedē System holds a unique niche in central sleep apnea.