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Welcome visitors! Make sure to check out our latest informational piece on how to secure your home to make sure you're home is safe as possible before calling a home security company.
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ASI DIV of TENN Security Inc
11910 Parklawn Drive Suite T
Rockville, MD
20852
(301) 881-0420
tennsystems.com
Our specialties include fire alarms, access control, surveillance camera systems, gas detection and burglar alarms. We can assist you with alarm systems, repairs and testing. Engineered fire system, design & installation, conventional and addressable, maintenance contracts, inspection, 24 hour ul monitoring, ul and nicet certified, va-dcjs# 11-1826. Open for business 24 hour service.
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