Serving Sudbury since 1982

24 Hour Monitoring

24 hour monitoring

Home & Business Security Systems

Home Automation & Interactive

Derro Security Systems: Securing Sudbury’s Peace of Mind Since 1982

Our security services and products include:

Providing the Latest in Security

Since 1982, Derro Security Systems has continually made all of the most advanced security equipment and services available to both our residential and commercial clients. We know how important your home or business is to you. By supplying only the highest level of service and equipment on the market, we help you protect what matters most.

Free On-Site Evaluation

Not sure what level of security is right for your home or business? Schedule a free personalized on-site evaluation from Derro Security Systems today. We serve clients throughout Sudbury and the surrounding areas.

Professional Affiliations

Products We Support







Sales & Service: 705-674-6070 Ext. 2

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