EC Source Services, LLC Email Format

ConstructionArizona, United States51-200 Employees

EC Source Services, LLC is a mid-sized construction firm that focuses on program management for large-scale electrical power projects. It provides end-to-end management for Extra High Voltage transmission systems across North America, including planning, environmental work, engineering, procurement, and construction. The company works on overhead and underground transmission lines, substations, distribution, and switchyards, coordinating complex project execution for utilities and other energy infrastructure clients.

Based in Mesa, Arizona, EC Source operates within MasTec's Power Delivery segment and is certified as a minority-controlled company by the National Minority Suppliers Development Council. In 2019, TRC Companies acquired EC Source's testing and commissioning field services division, reflecting changes in its service scope.

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