Welcome to MCI Systems

MCI is a family owned business since 1967, providing high quality systems to residents and businesses in Connecticut including: Security Systems, High Speed Data Wiring, and Complete Audio/Video System Solutions.

Welcome to MCI Systems

MCI is a family owned business since 1967, providing high quality systems to residents and businesses in Connecticut including: Security Systems, High Speed Data Wiring, and Complete Audio/Video System Solutions.

Welcome to MCI Systems

MCI is a family owned business since 1967, providing high quality systems to residents and businesses in Connecticut including: Security Systems, High Speed Data Wiring, and Complete Audio/Video System Solutions.

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    Residential Security

    Protect your home and family from burglary, fire, carbon monoxide and more with an expertly installed customized security system.

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    Commercial Security

    Make sure your business is protected from theft, fire or unauthorized access with a comprehensive, monitored system.

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    Audio / Video Solutions

    Bring the “theater experience” to your home and enjoy high quality audio and video entertainment.

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MCI Systems – Your trusted source for Residential & Commercial Security Systems

Doing business in Connecticut since 1967, MCI Systems offers a complete range of high quality security systems for Residential, Commercial and Industrial properties. Our team will evaluate your safety requirements and develop a comprehensive, competitively priced solution designed to meet your specific security needs. Our licensed and certified technicians will then expertly install and fully test your new security system.

MCI provides burglary & fire protection, access control systems, video surveillance (closed-circuit TV), temperature sensor and carbon monoxide detection equipment.