JM Electrical worker wearing hard hat smiles while working

Since 1985, JM Electrical Co., Inc. has been a trusted name in the commercial development sector. That’s why today we are Greater Boston’s largest provider of specialized electrical construction work and an industry leader. No one else does what we do. In fact, specialization is an area of strength for us.

Building Automation and Mechanical Contractors rely on JM Electrical for our expertise on critical projects. We pride ourselves on completing our work accurately and on schedule, from start to finish.


As a leading industry expert in HVAC controls, JM Electrical helps clients address increasing energy demands and rising costs by installing premium automation controls that effectively monitor and manage energy needs.


JM Electrical installs instrumentation systems that regulate heating, cooling, wastewater treatment, and water purification at facilities where air and water quality must be carefully controlled and monitored.

Mechanical Power

JM Electrical works diligently to meet the needs of Mechanical Contractors. From simple fan replacements to entire cooling tower upgrades, we provide turnkey installations. By combining power wiring with control installs, our team brings increased coordination and efficiencies to every project.


JM Electrical’s Service Division handles industrial and commercial electrical projects both large and small. We offer emergency repair, recurring scheduled maintenance and on-demand electricians to ensure that buildings are safe, energy efficient, and fully functional.

Energy Solutions

We provide unsurpassed service for the latest renewable energy technologies, from solar hot water controls to energy metering, electric vehicle charging stations, and lighting retrofits.