Security Solutions
Access Control & Intercom Systems
Protect your facility with intelligent access control and intercom solutions designed for businesses, government agencies, and institutions of all sizes.
Take Control of Who Enters Your Facility
NSI Security Systems designs and installs custom access control and intercom solutions tailored to your specific security needs. Whether you need a single-door keypad entry or a fully networked multi-site system, our certified technicians deliver reliable, scalable solutions backed by decades of experience.
Our Access Control Solutions
Card & Credential Access
Key fob, smart card, and PIN-based entry systems that give employees only the access they need while maintaining full accountability.
Intercom & Video Entry
Two-way audio and video intercom systems that let you verify visitors before granting access — ideal for lobbies, gates, and secure areas.
Biometric Systems
Fingerprint and facial recognition access control for high-security environments requiring the highest level of identity verification.
Networked Multi-Door Systems
Centrally managed systems that control access across multiple doors, floors, or locations from a single platform.
Government & DoD Compliant
Systems designed to meet federal security requirements for government contractors, military installations, and DoD facilities.
Integration with CCTV & Alarms
Seamlessly integrate access control with your existing camera and alarm systems for a unified, comprehensive security solution.
Who We Serve
Ready to Secure Your Facility?
Contact NSI Security Systems today for a free consultation and custom quote.