J&M Security LLC

J&M Security LLC Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from J&M Security LLC, Commercial & Industrial, 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

Watch, follow, and discover more trending content.

Fire Alarm System replacement. Nashua NHFireLite ES Series with isolated input modules
03/30/2026

Fire Alarm System replacement. Nashua NH
FireLite ES Series with isolated input modules

We got a little Elevated yesterday…. Installs are year round. Not just when the weather is nice.
01/20/2026

We got a little Elevated yesterday…. Installs are year round. Not just when the weather is nice.

Some recent work. OSSI-USA access control system
12/19/2025

Some recent work. OSSI-USA access control system

12/16/2025

Great News! We are now BBB accredited. Great services rely on great resources!

With more recent events, J&M security specializes in advance Panic and Lockdown security systems. Is your facility ready...
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!

07/24/2025

Celebrating my 1st year on Facebook. Thank you for your continuing support. I could never have made it without you. 🙏🤗🎉

07/24/2025

If I were to run a special, how many people would be interested in changing over your current alarm company to me?

07/18/2025

We are in process of our BBB accreditation. Great things are happening

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...
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

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