Critical Signal Technologies

CST, founded in 2006 by medical monitoring expert Jeffery S. Prough, is a remote monitoring company headquartered in Michigan, USA, dedicated to helping clients stay safe and healthy at home. As the largest personal emergency response system and remote monitoring services provider in the United States, the company serves over 100,000 elderly individuals. CST's products and services include Personal Emergency Response Systems (PERS), fitness coaching, on-demand medical personnel, remote vital signs monitoring, chronic disease management, telemedicine, and advanced inpatient care, among others.