Who We Are

Design and build solutions.

We don’t try to be something we’re not. We specialize in and are passionate about water resources because water is a precious resource responsible for human well-being and the survival of the natural world. As a full-service engineering, environmental, and self-performing construction firm, we offer multidisciplined expertise to maximize the full potential of water resource facilities. We provide clients with realistic solutions driven by a mix of precision and creative brilliance.


Founded on vision and integrity.

Being an employee-owned company means the success of McMillen is shared by the people that make it happen. This philosophy makes a meaningful impact in our community and surrounding environment. We recognize our industry is constantly changing, and we strive to evolve and continually deliver our best for today and the future.

Because it matters.

Our tagline embodies our commitment to excellence and integrity in every aspect of our work. From our meticulous attention to detail to our dedication to community enrichment, we prioritize the significance of our contributions, ensuring enduring positive impacts on both our projects and the world around us. As an employee-owned company, we take personal responsibility for our actions, fostering a culture of accountability and innovation that drives the success of our endeavors.
office locations

We go where the water flows.


Our No. 1 priority.

With every project we undertake, safety is our number one priority.

“At the end of the day, all that matters is that our people get home safe.”
Kurt McManigal
VP, Construction

Staying power.

For two decades, McMillen has established a reputation for being a trusted partner and best value provider. It began with a partnership that set the foundation for reliable and quality service, met with technical expertise. Now as an employee-owned company, we continue to build on this foundation to fuel our growth for the next generation of shareholders. 

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Mara McMillen


Mort McMillen

Sr. Executive Vice President

Kurt McManigal

Vice President of Construction

Marissa Emmons

Vice President of Business Development

Marcus Emmons

Vice President of Operations