Industrial Security Systems & Gates in kalispell, Montana, and Surrounding Areas

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Comprehensive Protection for High-Security & Critical Infrastructure

Secure Industrial Sites With ENTRU LLC

When it comes to protecting critical infrastructure, logistics hubs, and large-scale operations, ENTRU Custom Gates and Security provides complete, integrated security solutions tailored to industrial environments. With over 30 years of experience working in high-risk, high-security sectors—including DoD-certified projects—our team delivers industrial gate systems, access control, perimeter hardening, and surveillance solutions that meet the strictest performance and compliance standards.


We serve Kalispell, Whitefish, Polson, and greater Northwest Montana with American-made materials, certified installers, and unmatched technical expertise.

Benefits of Installing a Commercial Gate System

Our industrial service offerings combine advanced technology with robust physical infrastructure to meet your facility’s unique requirements.

Intelligent Security Integration

  • Digital Video Systems With Event Recording
  • Biometric Access Control & Photo ID Badging
  • Intrusion Detection With Zone Isolation
  • Process Monitoring for Operational Oversight
  • Motorized Vehicle Gates, Turnstiles & Man Traps
  • Intelligent Perimeter Detection & Custom Barricades
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Industrial Communications Infrastructure

  • Fiber Optic Cable Installation & Testing
  • Structured Cabling & Network Design
  • Wireless Data Transmission & Telecommunications
  • Intercoms, Paging Systems, and Internal Communication


We build out the communication backbone your facility needs for both daily operation and security coordination.

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Full-Spectrum Security & Detection Systems

We offer both hardwired and wireless systems designed to protect sensitive assets, critical systems, and personnel. Our UL-listed monitoring center receives alarm signals instantly with detailed tracking of location and system status. Key system benefits include:


  • Advanced Intrusion Detection for Vaults, Server Rooms, and Classified Spaces
  • LAN/WAN-Compatible Software for Remote Administration
  • Multi-area Control Zones With Independent Arming/Disarming
  • Seamless Software + App Integration for Full Access Management
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Crash Gates & Perimeter Hardening

ENTRU LLC specializes in perimeter defense for high-value targets. We offer:


  • Crash-Rated Gates From K4 to K12, Including ASTM F2656-Certified Products
  • Hardened Bollards, Wedge Gates, Cable Arrest Systems, & Barrier Arms
  • Hydraulic and Electromechanical Gate Systems
  • Extensive Experience in Government & Military-Grade Installations


Whether you’re protecting a distribution hub, defense contractor site, or critical manufacturing plant, we deliver solutions that meet L- and P-rated penetration standards.

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Pedestrian Access Control & Biometric Security

Manage foot traffic with precision and accountability. Our pedestrian systems allow


  • Controlled Entry by Access Level, Schedule, or Zone
  • Integration of Biometrics (Retina, Fingerprint, Face Geometry)
  • Compatibility With Swipe/Proximity Card Systems
  • Remote System Administration Over LAN, WAN, or Dedicated PC


Paired with surveillance, this is the most secure method for managing high-traffic areas.

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Sound Masking Systems

Maintain privacy and operational discretion with our sound masking technology.


  • Pink Noise Systems: Prevent eavesdropping on confidential discussions.
  • White Noise Systems: Minimize disruptive industrial noise.

These systems help safeguard verbal communications in secure settings and reduce noise pollution across your facility.

24/7 Emergency Response & Monitoring

Our central monitoring center is always on call. In the event of an alarm trigger or system alert, our trained professionals are available 24/7 to respond, escalate, and coordinate support to protect your people and assets.

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Get Industrial-Grade Protection With ENTRU LLC

From military-rated perimeter protection to integrated access control and communications, ENTRU Custom Gates and Security delivers tailored solutions built for industrial performance.


Contact us today to schedule a site consultation and learn how we can help secure your operation with advanced, American-made systems that meet the demands of your facility.

(406)752-8067