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Sentry Installation Inc
Derwood, MD 20855  (301) 670-1142 (301) 670-9757 (301) 670-1008 sentryinstallation.com Our specialties include access control, access control systems, burglar, closed circuit tv, commercial services, emergency (medical) alarms, emergency medical response, fire, honeywell, internet video surveillance, mhic# 20355, mont co # 184, nbfaa, nutone, over 26 years, residential services, va dcis# 11-1863, we service most manufacturer's systems and wired & wireless technology. Authorized dealer. We accept american express, cash only, discover, mastercard, money orders, personal checks, va and visa for payment. Our preferred brands include bose, commercial, first alert, first alert professional security systems , honeywell, nutone and residential. We can assist you with 24 hour local central station monitoring , 24 hour monitoring of new or existing systems , 24-hour monitoring, access control, access control systems, alarm system services, bose home entertainment systems , bose' home entertainment systems , burglar, burglary and fire alarm systems , closed circuit televisioin systems , closed circuit television systems (cctv) , closed circuit tv, commercial & industrial vacuums , controlled access systems, controlled access systems - temperature - water flow , electronic life safely. security & systems professionals , electronic life safety. security & systems professionals , emergency (medical) alarms, emergency medical response, fire, fire - burglar - emergency (medical) systems , free security analysis, free security survey, locally owned & operated, maintenance & repair, member nbfaa electronic life safety, security & systems professionals , member nbfaa electronic life safety. security & systems professionals , nutone intercom, security and built- in convenience products , professional security systems, the leader in "styled for today" radio intercom and intercom systems. , va, we monitor most makes & models of security systems , we service all brands of security , we service all brands of security systems , we service most manufacturer's systems and wired & wireless technology. We DO have emergency services available. We've served residential and commercial customers. We've been in business since 1982. Open for business 24 hour local central. Share Your Review Please note: all reviews are screened for spam and take 24-48 hours to be approved.
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