E C Source Service
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EC Source Services LLC (ECS), established in 2006, is a key player in the construction of utility infrastructure, specializing in transmission, distribution, and substation projects across the United States. A wholly owned subsidiary of MasTec Inc., ECS is recognized for safely constructing and upgrading utility infrastructure, handling projects of varying scale from multi-state EHV transmission lines to local distribution work.
With a commitment to quality and safety, ECS delivers comprehensive engineering, procurement, and construction (EPC) services, ensuring the successful execution of complex infrastructure initiatives. The company operates numerous locations, embodying their contribution toward strengthening America's utility framework.
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