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1138 N Alma School Rd. Suite 220 Mesa, AZ 85201

About Us


From coast to coast, EC Source provides world-class construction services, including EPC for transmission, distribution, substation, and foundation projects of all sizes. Complementing our construction solutions are a full range of environmental compliance services provided by our subsidiary Energy Environmental Group.

Underpinning everything we do is our commitment to:

Zero accidents are our unwavering goal— people’s lives depend on it. Every employee has the potential to avert any dangerous event.

We will establish outstanding customer relations with an emphasis on productivity, quality, and opportunities for repeat business. We will provide rapid responses to all customer inquiries and requests. We will identify the customer’s expectations regarding price, schedule, quality, etc., and meet or exceed those expectations.

Building on the MasTec family heritage, we instill a passion and commitment to service that spans more than 40 years. Furthermore, we plan and act for the future— for the long-term good of our company, our customers, and our world

Uncompromised integrity, honesty, and fairness are at the heart of our company. We will hold ourselves accountable to the highest standards of professionalism. We will honor our commitments— to customers, investors, host communities and fellow employees.

We will create effective teamwork and collaboration because our customers benefit from our collective and well-coordinated efforts. We will share information so that everyone in our company can better understand our business, our objectives, and our performance. We will be open, candid, and honest in our relationships and communication.

We empower and encourage our leaders to make exceptional decisions. We set high standards and foster employee development. We hire the right team, we use technology to innovate, and we are zealots about improving our operations. We thrive on challenges and accomplishments.

We will respect the opinions, ideas and perspectives of our coworkers, customers, business partners and leaders in the communities we serve. We recognize that good ideas can come from any level and any part of the organization, and we will invite broad participation and involvement.

We will recognize excellent performance and will celebrate our collective successes.

As good stewards of our environment, construction and environmental compliance must coexist. Our goal is meeting your strictest construction schedules while protecting the environment. EC Source Services delves into environmental laws, permitting, and public concerns during and after a project to meet a customer’s goal.

Cade Womack
Sargent & Lundy
PE, Manager

“EC Source brings crews with the right skills and a collaborative mindset for managing a construction project with Sargent & Lundy’s engineers who designed the line.”

Jim Nivens
American Electric Power
Senior Project Manager

“For construction upgrades on an aging 40.5-mile, 69kV transmission line south of San Antonio, [AEP’s] EPC group sought a turnkey solution, including scope and a finished project, through the joint venture of EC Source and Sargent & Lundy.”