Crime Intervention Alarm is a commercial fire and security systems company based in York, Pennsylvania, and has been operating since 1996. It installs and inspects fire alarm systems and provides 24/7 monitoring, alongside intrusion alarms, video surveillance and access control. It serves property managers and businesses across Pennsylvania, Maryland, Washington DC, Virginia and Delaware. Its installers are UL-certified. It holds a Virginia Class A contractor licence (DPOR 2705153933) with the Fire Alarm Systems (FAS) specialty.