SullyMac supports New England's premiere general contractors with impeccable electrical services backed by more than 50 years of experience.

SullyMac designs, installs, and services every type of structured cabling system in use today, including voice, data, and video cabling.

SullyMac provides a wide range of critical power system solutions, designed to keep a building's electrical distribution system functioning at peak efficiency.

SullyMac provides our clients with the best available solutions for building and maintaining Smart & Connected Buildings.

SullyMac has the Network, Security, Wireless, Carrier, and IoT services to power today's vital enterprises.

SullyMac specializes in designing, installing, servicing, and maintaining today's most sophisticated and sensitive protection systems.

SullyMac designs, installs, monitors and maintains life safety systems, providing an unsurpassed level of comprehensive fire protection to our customers.

SullyMac offers 24-hour service coverage and service electricians in Massachusetts, Rhode Island, Southern New Hampshire, and Southern Maine.

The most renowned hospitals in the world rely on us for specialized systems in ORs, NICUs and ERs. We work unobtrusively in patient environments with complex power + technology requirements.

We've contributed to the success of virtually every type of residential construction—including some of Boston's most high-profile addresses. We also meet the ongoing needs of New England's busiest property managers.

We outfit the most prestigious campuses in New England with modern infrastructure from data centers, to interactive amphitheaters, and cryogenic science labs.

Power Plants, Co-Generation, DC systems, Solar Power, Network Emergency and UPS Systems... when reliability is essential, SullyMac turns on the juice.

We are a major fixture in New England's commercial and property management landscape. We maintain full-time staff at premiere properties across the region—on-the-job 24/7.

Today's security-driven transportation environment demands ultra-high standards of professionalism and performance. SullyMac has a deep history of successful partnerships with the region's most iconic authorities.

We've been tapped for a variety of notable government projects—from metropolitan area networks, to major municipal buildings, and challenging public infrastructure.

Highly-specialized environments in everything from pharmaceutical manufacturing, to groundbreaking nanotech labs are included in our broad base of science and technology projects.

Click for a searchable overview of recent SullyMac projects.