Ec Source Services, Llc

has carved a niche building complex power‑delivery infrastructure.

They specialize in engineering and constructing overhead and underground transmission systems.

Their core services span EPC delivery for transmission, distribution, substations, switchyards and foundations nationwide.

Operating across multiple U.S. states and Canada, they support renewables integration with extra‑high‑voltage grid projects.

Backed by MasTec’s scale, ECS deploys specialized equipment—from helicopters to high‑capacity fleets—to meet demanding schedules.

Typical projects include long‑distance transmission upgrades, pole replacements, underground distribution builds and substation installs.

Their history reflects a steady expansion from regional utility jobs to landmark, multi‑state infrastructure ventures.

Distinctive strength: merging deep field expertise with EPC management for turnkey delivery of power‑grid systems.

Integrity in everything they do.

Commitment to excellence and continuous improvement.

A customer

first approach in every interaction.

Collaboration and teamwork to deliver superior results.

Accountability for delivering on their promises.

Innovation and agility to address evolving needs.

Committed to sustainable energy solutions.

Prioritizes the use of renewable energy sources in operations.

Focus on reducing energy consumption across all projects.

Implementing energy

efficient solutions for clients to help reduce their carbon footprint.