Interstate Electrical Services COMPANY PROJECTS SERVICES Careers Contact Us Employee Login For 24/7 Emergency Electrical Service Call The Interstate Office Nearest You: IESC 855-500-4372 COMPANY PROJECTS SERVICES Careers Contact Us Employee Login Complex Facilities, Responsible Methods, Perfect Delivery Life Science Manufacturing and Laboratory Electrical Projects Learn More NEWS IESC Completes Multi-Floor Core and Interior Office Renovation 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. More About Us Video Player /wp-content/uploads/IESC-PrefabVideo.mp4 00:00 04:58 Terms & Conditions Site Map © 2021 INTERSTATE ELECTRICAL SERVICES CORPORATION. ALL RIGHTS RESERVED.