Business Details
50+ Years
experience
Emergency
services
Custom Security Solutions Montana
Interstate Alarm has been a trusted provider of comprehensive security solutions since 1972. Our family-owned business combines decades of industry experience with cutting-edge technology to deliver customized residential and commercial security systems. We specialize in 24/7 monitoring, fire detection, access control, and camera systems, ensuring the safety of homes and businesses across Montana. Our team of NICET-certified technicians and MT Fire Protection Program-licensed professionals prioritizes quality installations and ongoing maintenance to meet evolving security needs.With a legacy of community involvement and a commitment to transparency, we offer no hidden fees and guaranteed pricing for 30 days. Our partnership with Rapid Response Monitoring, a UL-listed facility, ensures rapid emergency response and system reliability. We take pride in supporting local businesses while providing nationwide-standard service, with a focus on customer education and long-term relationships. From system design to ongoing support, our approach emphasizes personalized solutions over one-size-fits-all products.
Services
Residential Security
Commercial Security
24/7 Monitoring
Access Control
Camera Systems
Fire Detection
System Maintenance
Sprinkler Monitoring
Gas Leak Sensors
Smart Home Integration
Details
- Year established: 1972
Highlights and features
- 50 years of Montana security expertise with third-generation family leadership
- No hidden fees or bait-and-switch sales tactics
- UL-listed monitoring center with rapid emergency response
- NICET-certified technicians for fire and security systems
- Local ownership supporting Montana businesses and communities
Associations and certifications
- UL Listed
- NBFAA Installation Quality Certification Program
- MT Fire Protection Program
What people say
Reliable 24/7 monitoring
Professional installations
Local business
Courteous staff
Years of service
Services
Residential Security Systems
We design and install customized home security solutions featuring door/window sensors, motion detectors, and smart home integration. Our systems include 24/7 monitoring with cellular backup and environmental sensors for water, temperature, and gas leaks. Each installation includes comprehensive system education and ongoing support.
Commercial Security Systems
Our commercial solutions include access control, fire detection, and network camera systems with UL-listed monitoring. We provide NICET-certified installations for sprinkler monitoring, elevator recall, and HVAC shutdown. Regular maintenance ensures compliance with NFPA72 standards and local fire codes.
24/7 Monitoring Services
Our UL-listed monitoring center provides continuous protection with rapid response to security breaches and emergencies. Systems use cellular or network communication for reliability without landlines. Features include smartphone control, sensor activity notifications, and integration with smart home devices.
Fire Detection Systems
We install and maintain code-compliant fire detection systems with smoke detectors, heat sensors, and carbon monoxide monitors. Our MT Fire Protection Program-licensed technicians perform sensitivity testing and annual inspections to ensure system reliability and regulatory compliance for residential and commercial properties.
System Maintenance
Our maintenance programs include battery replacements, sensor testing, and system diagnostics. We offer service contracts for ongoing support, with priority scheduling for emergency repairs. Regular maintenance ensures optimal performance of security, fire, and environmental monitoring systems.
People
F D Spike McQuiston
Founder
Founder of Interstate Alarm in 1972 after naval service and experience with Grinnell-ADT. Established the company's commitment to quality and community service that continues through family leadership today.
Lynn McQuiston
President & CEO
Took leadership of the company after Spike's passing in 1993. Maintained family values while expanding services and modernizing technology. Guided the transition to third-generation leadership.
Shawn McQuiston
Co-Owner
Second-generation leader with 30+ years of security industry experience. Oversees operations and technical services, ensuring adherence to the company's founding principles of quality and customer satisfaction.
Josh McQuiston
Co-Owner
Manages business development and client relations. Brings modern business practices to the family company while maintaining its community-focused approach and commitment to Montana businesses.
Tayler McQuiston
Third-Generation Team Member
Represents the future of the family business. Learning all aspects of security systems to continue the legacy of quality service and technological innovation established by previous generations.
Questions
What security services do you offer for homes?
We provide complete residential security systems including door/window sensors, motion detectors, environmental monitoring, and smart home integration with 24/7 monitoring.
Can you monitor existing security systems?
In most cases we can monitor existing systems, though some proprietary panels may prevent reprogramming. Contact us for a free system evaluation.
Do you offer commercial fire alarm services?
Yes, we install and maintain code-compliant fire detection systems with NICET-certified technicians and provide required annual inspections and testing.
What makes you different from other security companies?
We're a Montana-based family business since 1972 with no hidden fees, guaranteed pricing, and personalized service from experienced local technicians.
How does cellular monitoring work without a landline?
Our systems use cellular communication for reliable signal transmission without traditional phone lines, ensuring continuous protection even during power outages.
Do you offer insurance discounts for security systems?
Most insurance companies offer discounts for monitored systems. Contact your agent to confirm available savings for your specific security package.
