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Great Bay Security

125 Aviation Avenue
Portsmouth, NH
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(603) 433-3919
(888) 223-6522
Our specialties include commercial & residential, critical industrial process monitoring , fire, first alert, free security review, high & low temperature and water level monitoring , high & low temperature monitoring , intrusion, local installation and service, water level monitoring and your authorized first alert dealer. Authorized dealer. Our preferred brands include commercial, first alert and first alert professional security systems. We can assist you with 24 hr. monitoring from our own control systems , access control, access control and close circuit tv , access control and security cameras (cctv) , burglar intrusion fire medical, burglar intrusion fire medical emergency alarms , close circuit tv, commercial & residential, critical industrial process monitoring , dealer, fire alarm systems, free security review, high & low temperature and water level monitoring , high & low temperature monitoring , loc, local installation and service, professional security systems and water level monitoring. We've served residential and commercial customers. Your authorized. Open for business 24 hr monitoring from our own control systems.


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