Custom Alarm is a locally owned and operated, security-minded company located in Rochester, MN. With over 55 years of experience, we specialize in fire alarm systems, intrusion, video monitoring, and access control for both residential and commercial owners. Custom Alarm is the trusted security leader and award winning, community-focused company committed to leveraging technology in finding solutions to our customers' needs and dedicated to a high level of customer service.
Looking for a particular Custom Alarm employee's phone or email?
The Custom Alarm annual revenue was $24.1 million in 2026.
Melissa Brinkman is the CEO of Custom Alarm.
45 people are employed at Custom Alarm.
Custom Alarm is based in Rochester, Minnesota.
The NAICS codes for Custom Alarm are [56, 561].
The SIC codes for Custom Alarm are [73, 738].