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About React Systems

REACT Systems, Inc. is the innovator and leader in Critical Response Notification Systems (CRNS) that unify critical actions in emergencies and time-sensitive situations. REACT system can reach millions of users, within seconds--delivering targeted and verifiable audio/video notifications to first responders and the public.


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Feb. 19, 2008 - REACT Systems Expands Healthcare Industry Presence Via Partnerships with Santa Clara Valley Medical Center and Seton Family of Hospitals
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Nov. 6, 2007 - REACT Systems and Western Blue Partner to Provide Industry’s Most Comprehensive Critical Response Notification System. Partnership Enables Greater Distribution of REACT!™ Enterprise to Help Users More Effectively Respond to Emergencies and Time-Sensitive Situations
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Seton hospitals upgrade emergency alert system
Computerworld

React Enterprise valued for use across large campus for quick notifications
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CEO Maria Ligeti on CBS Up to the Minute Watch REACT Systems CEO, Maria Ligeti, discuss the need for Critical Response Notification Systems and how her company may revolutionize emergency alerts, on CBS Up to the Minute.
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