Interstate Alarm Company is a family-owned Montana small business. We provide all types of home and business alarm systems including security; smoke, heat, and commercial fire sensors; water, temp and CO sensors; camera systems with remote control and viewing, door access control by key cards/fobs for monitored reporting; UL alarm monitoring; and 24/7 emergency assistance.

Website: interstatealarm.com

Phone: (406) 728-4546

Cross Streets: Between N Reserve St and Bernard Way