Flock Safety
Private
Publicly traded alternatives in this space:
Palantir Technologies Inc. 
Axon Enterprise, Inc. More on this:
Flock Safety is a public safety technology company that builds hardware and software infrastructure designed to help law enforcement agencies, local neighborhoods, businesses, and schools deter and solve crime. Civil liberties organizations, privacy advocates, and lawmakers have raised concerns regarding mass surveillance, the scale of searchable data collection on everyday citizens, data retention policies, and the potential for cross-jurisdictional data sharing without strict judicial oversight.