Headquartered in North Billerica, MA, Interstate Electrical Services Corporation is the largest privately held electrical services company serving greater New England.

Founded in 1966, Interstate has offices in all six New England states, 800+ employees, and a fleet of 250+ vehicles. The company’s 100,000 sq. ft. UL Certified Operations Center, located in Tewksbury, MA, houses the most innovative and largest electrical prefabrication facility in New England.

Interstate provides electrical installation, extensive prefabrication, 24/7 emergency service, in-house engineering and design, BIM and VDC services, thermal diagnostic imaging, arc flash hazard analysis, diagnostic imaging, fire alarm installation and testing, access controls, process controls, lighting controls, building automation, audio visual, EV chargers, and telecom/data networking to commercial customers.

For 57+ years, the company has dedicated itself to exceeding expectations on every project for every customer.

Interstate is a valued partner and trusted employer.

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