CENTROL Emergency Response Systems develops emergency alert equipment for homes and continuing-care communities, including systems that let residents summon help beyond the reach of a wall button. Based in Wilmington, Delaware, the company’s PRESALERT retrofit adds wireless activation to existing pull-cords in independent and assisted-living residences, while NurseAlert connects with nurse-call systems in hospitals and skilled-nursing facilities. Its in-home offerings include both landline and cellular-connected personal emergency response systems.
Vital-LinkFounded by Mark and Sheree Weizer in 1981, Vital-Link provides personal medical-alert systems and 24/7 emergency monitoring for people who want to remain independent at home or on the go. The Montgomery County, Pennsylvania, company remains family-owned and operated, with its story rooted in Sheree’s experience with multiple sclerosis and her determination to help others live safely with less fear. Vital-Link serves customers nationwide through U.S.-based monitoring centers and systems that connect by landline, cellular service, or GPS.JENKINTOWN, PA
Digital Alert Systems, IncBorn from Monroe Electronics’ 1953 custom engineering operation, Digital Alert Systems, Inc. is a Lyndonville company known for applying broadcast engineering to emergency communications. Its dedicated emergency-messaging organization took shape in 2018, building on earlier work that included pioneering cue-tone control and cable television’s first emergency override system. Today, it serves communications operators with systems designed to keep critical alerts moving.LYNDONVILLE, NY
Alertus Technologies LLCAlertus Technologies was founded in 2002 after a tornado at the University of Maryland exposed the need for faster campus warnings. Today, the Baltimore company is known for unified emergency mass-notification systems that help organizations communicate during crises, serving more than 2,500 customers worldwide across settings such as education, healthcare and manufacturing.BALTIMORE, MD
Roper Lock Box, LLCSince 1975, Roper Lock Box has manufactured lock boxes and safety products from Hudson, Ohio, starting with a single combination box for real estate agents and growing into a supplier for emergency services and property-preservation work. Its distinctive Critical Entry Municipality Program now serves more than 100 emergency service departments across over 15 states, helping responders enter participating homes without forced entry. Roper’s Small Four Number Lock Box has sold more than 630,000 units, while its Guardian platform lets customers change combination lids without replacing the vault.HUDSON, OH