Since 1966, Interstate Electrical Services Corporation has been committed to delivering exceptional value and results. We’re proud to be the largest privately held electrical services company in greater New England, employing over 750 professionals across eight offices and operating a vast fleet to meet your planned and emergency needs.

Our UL Certified 100,000 sq. ft. Operations Center is a key part of our lean construction strategy. This is where we integrate innovative disciplines, advanced technology, and our in-house expertise to achieve leading-edge electrical assembly. This extensive prefabrication capability, combined with advanced technologies including AI, significantly enhances our efficiency, streamlines project timelines, and ensures exceptional quality control from the very start.

With our UL listed state-of-the-art prefabrication and a team of experienced, licensed installation experts, we consistently support our customers’ ongoing needs. This comprehensive strategy, rooted in our core values of commitment, safety, integrity, and innovation, ensures superior results and a seamless experience for every customer.