HEC  is an industry leader in high-voltage work, including substations, underground and overhead distribution circuits, line construction, and high-voltage transmission. HEC delivers safe, reliable and on-time projects that meet the demands of today’s competitive market. We achieve even the most exacting requirements by using only the best materials, superior planning and quality craftsmanship. From small jobs to large projects, our attention to detail is unmatched in the industry.HEC provides full design-build services, including turnkey construction. We have the tools, equipment and know-how to build and maintain transmission lines up to 765KV. Specialties include cable fault location, transmission line construction, and the pulling, terminating and testing of power and control cable.