Custom Alarm Email Format

Security and InvestigationsMinnesota, United States51-200 Employees

Custom Alarm is a security and investigations company based in Rochester, Minnesota, at 1661 Greenview Drive Southwest, Rochester, MN 55902. Locally owned and operated with more than 55 years of experience, it provides fire alarm systems, intrusion detection, video monitoring, and access control for residential and commercial customers. The company emphasizes using technology to meet customer needs and focuses on customer service, and it is described as an award-winning, community-focused provider. Recent industry and workplace recognitions include placement on the SDM Top 100 Security Companies List and SDM 100 in 2026, as well as multiple Best Places to Work in Southeast Minnesota awards. The organization employs 51-200 people and reports revenue in the $25 million to $50 million range.

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