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American Alarm & Communications

About

American Alarm & Communications is a family-owned security company headquartered in Arlington that has protected homes and businesses across New England since 1971. It installs and monitors security systems, with modern features such as arming and disarming from a smartphone, integrated live and recorded video, motion-triggered video alerts, and smart locks that can be controlled remotely or set to lock automatically when residents leave. Staff live in the communities they serve.

The company has grown by bringing other family-owned alarm firms into the fold while keeping them close to their customers. Instant Signal & Alarm of Salem, founded in 1954 and serving more than 3,000 customers, joined in 2025, after Malfy Alarm of Cape Cod in 2023, and the company invested $3 million to transform its Weymouth branch in 2022. President and co-owner Wells Sampson and COO and co-owner Louis Sampson describe it as a group of local companies with deep roots.

What to Know

  • The company runs its own Security Command Center for alarm monitoring.
  • Additional offices operate in Salem, Weymouth, Cape Cod, Auburn, Nashua, New Hampshire, and Rhode Island.
  • Fire alarm inspections and service are offered alongside security systems.
  • Customer testimonials mention annual wellness inspections of their systems.

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