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Alarm monitoring companies in Illinois
Filtered fire safety companies in Illinois, on the OpenFire directory.
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Alarm Detection Systems
Chicagoland fire alarm and monitoring, TMA Five Diamond designated.
Contractor 100+ people Est. 1968 3 officesAlarm monitoring Fire alarm systemsAurora, Illinois · HQ View firm -
Barcom Security & Fire
Metro East St Louis fire alarm and TMA Five Diamond monitoring.
Contractor 21–100 people Est. 1976 3 officesAlarm monitoring Fire alarm systemsSwansea, Illinois · HQ View firm -
DMC Security Services
Purpose-built UL-listed central station serving Chicago's southern suburbs.
Contractor 21–100 people Est. 1970 1 officeAlarm monitoring Fire alarm systemsMidlothian, Illinois View firm