Custom Intrusion Protection Since 1969
Intrusion Alarm Systems & 24/7 Monitoring for NYC Businesses
Get customized intrusion alarm systems designed for your unique business environment — backed by comprehensive 24/7 monitoring, real-time mobile alerts, and smart video integration. Find out why thousands of NYC businesses rely on DGA for their peace of mind.
- Custom Intrusion Systems Built for Your Business Environment
- UL Listed & TMA Five Diamond Certified Monitoring Centers
- Real-Time Arm/Disarm Mobile Alerts & Open/Close Tracking
- Smart Video Integration for Instant Alarm Event Verification
Request an Intrusion System Consultation
Speak directly with a DGA commercial security expert to design a custom intrusion system for your NYC business.
Complete Intrusion Protection Services
Four integrated service capabilities that make DGA the most trusted intrusion alarm partner for NYC businesses — from custom system design through 24/7 monitoring and rapid response.
Custom System Design
It takes real-world knowledge to design an effective intrusion system. DGA's 50+ years of commercial security experience means every system is engineered for your specific business environment, entry points, and risk profile.
Real-Time Mobile Alerts
No matter which manufacturer's equipment is installed at your location, DGA can test, service, and inspect it. Over 50 years of expertise across Edwards, Notifier, Siemens, Honeywell, and all other major fire system brands.
Smart Video Integration
Integrate your intrusion and video systems for smarter protection. Receive real-time video images of alarm events the moment they trigger — enabling instant verification and eliminating false alarm dispatches before they escalate.
24/7 Alarm Monitoring
DGA's UL Listed, TMA Five Diamond certified monitoring centers watch your intrusion system around the clock. Trained agents respond to every alarm instantly — with direct law enforcement dispatch when a genuine threat is confirmed.
Focus on Your Business — DGA Handles the Rest
DGA proactively monitors your intrusion systems around the clock to ensure they are always ready for the unexpected. If any repairs or adjustments are needed, our certified technicians are standing by for immediate dispatch to your site. You speak directly with commercial security experts — not a generic call center.
- UL 827 & UL 2050 Listed Monitoring Centers — Fully Redundant
- DGA Connect™ Portal — System Status, Reports & User Management
- Proactive System Health Checks & Rapid Technician Dispatch
Verified Commercial Credentials & Standards
DGA configurations maintain compliance across all major commercial insurance mandates and municipal codes.
Talk Directly With a DGA Security Expert
When you contact DGA, you speak with a commercial security systems expert with years of real-world experience. From initial site survey through system design, installation, and 24/7 monitoring, your dedicated DGA consultant is with you every step of the way.