Complex Facilities, Responsible Methods, Perfect Delivery

Life Science Manufacturing and Laboratory Electrical Projects

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Industry Savvy, Nimble Project Teams, Effective Strategies

Enabling Renewable Energy Across New England

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Practical Approach, Quality Installation, Satisfied Customers

We Provide the Craftsmanship and Flexibility

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In-House Engineering, Design, CAD, and BIM

Our Design/Build Team Stands Ready

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3D Coordination, Detailing, Prefabrication & Lean Methods

Optimizing Resources & Delivering Value Through Innovation

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BAE Systems construction project moves along in Manchester See More »

Featured in NEREJ’s 2019 Women Who Build Issue: Four of Interstate’s Female... See More »

Ask the electrician: Power surges: Are they a big deal? See More »

Inferrera celebrates 50 years at Interstate Electrical Services See More »

Interstate Electrical Services President Honored by Industry Association See More »

Interstate’s John Sloane Offers Expert Advice See More »

Interstate Electrical Services Launches First Registered Apprentice Program for Manufac... See More »

The Electrical Industry Relies on Targeted Materials Delivery to Keep Moving Forward See More »

Getting an Electrical Contractor Involved Up Front is a Smart Move See More »

Interstate Electrical Services Corp.: Taking a New Approach To the Challenges of Growth See More »

The Electrical Trade Offers Exciting Career Options for Women See More »

Valuable Insights from Interstate Vice President Luiza Mills See More »

Interstate Electrical Services Hosts Massachusetts Secretary of Labor Rosalin Acosta to... See More »

Interstate Electrical Services Wins 2017 ‘Excellence in Construction’ Awa... See More »

Life-safety systems for commercial buildings Q&A: Don’t overlook basics like ins... See More »

What can I do to make sure my electrical system upgrade goes smoothly? See More »

Interstate Makes the Case for Electrical Careers in The Boston Business Journal See More »

The electrical trade: Today’s challenging demands make for creative solutions See More »

Interstate Electric Named Qualified Partner in ‘Efficiency Maine’ Program See More »

Interstate Featured In WGBH Broadcast See More »

Interstate Designs Electrical System for First-Ever Archimedes See More »

Silence is Golden – LED Replacements for HID Fixtures at UNH Tone Down Ambient No... See More »

Infrared Testing Assures Power Reliability See More »

About Us

Founded in 1966 and headquartered in Massachusetts with offices in Connecticut, Maine, New Hampshire, Rhode Island, and Vermont, Interstate Electrical Services Corporation with over 600 employees and 180 service vehicles, is the largest merit shop electrical services contractor serving the greater New England region. Interstate provides electrical construction, design/build and electrical services including 24/7 emergency service to commercial customers of all sizes.