J&M Security LLC
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Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from J&M Security LLC, Locksmith, Windham, NH.
🔒 Home, Commercial, and DoD Locksmith Services
🔒 Access Control Systems
🔒 CCTV Surveillance
🔒 Intercom Systems
🔒 Burglar Alarms
Secure your property with J&M Security
Only certified Dealer, Installer, and Service Tech in NH for ossi-usa.com
04/13/2026
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03/30/2026
Fire Alarm System replacement. Nashua NH
FireLite ES Series with isolated input modules
01/20/2026
We got a little Elevated yesterday…. Installs are year round. Not just when the weather is nice.
12/19/2025
Some recent work. OSSI-USA access control system
Great News! We are now BBB accredited. Great services rely on great resources!
09/29/2025
With more recent events, J&M security specializes in advance Panic and Lockdown security systems. Is your facility ready for an emergency if it were to ever occur?
Contact us for more info and schedule for a comprehensive security analysis!
Celebrating my 1st year on Facebook. Thank you for your continuing support. I could never have made it without you. 🙏🤗🎉
If I were to run a special, how many people would be interested in changing over your current alarm company to me?
We are in process of our BBB accreditation. Great things are happening
06/28/2025
New addition to the J&M fleet. I have always liked the look of the Cat Eye chevy design. It will be a great asset towing the boom lifts to job sites or transporting heavier safes etc.
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Windham, NH
03087