More than a construction company,
people building with purpose

The Team Behind
DDiaz Construction LLC

With over 28 years of field experience and 4 years as an established company, DDiaz Construction is a family-owned business with a professional vision. We specialize in connecting critical infrastructure with a human approach, combining technical excellence with personal attention. Our team of skilled operators, technicians, and specialists work with passion, respect, and integrity to serve Utah and Colorado. We are committed to delivering safe, lasting results with efficiency and precision — and above all, we honor our promise to complete every project on time.

Our Mission

Our mission is to provide reliable, high-quality construction and underground infrastructure services that meet the highest standards of safety, precision, and integrity. We are committed to: Executing every project with excellence—on time, within budget, and with lasting results. Prioritizing the safety and well-being of our team, our partners, and the communities we serve. Building strong, honest relationships through open communication and mutual respect. Empowering our workforce and creating opportunities for growth and development. Adapting to our clients’ needs with smart, innovative solutions that make a real difference. We build with purpose, pride, and people at the heart of everything we do.

Our Values

Our work is grounded in values that shape every project, partnership, and decision we make: Integrity – We act with honesty, transparency, and respect in all our relationships. Safety – We prioritize the health and well-being of our team and community above all else. Excellence – We are committed to delivering top-quality results with precision and pride. Teamwork – We believe in collaboration, communication, and supporting one another. Responsibility – We take ownership of our work and its long-term impact. Adaptability – We stay flexible and forward-thinking in a constantly evolving industry. People First – We value the people behind the work—our clients, our crew, and our community. These values are more than words. They are the foundation of everything we build.

Our Vision

Our vision is to become a leading force in underground infrastructure and specialized construction across the western United States—known not only for the quality of our work, but for the integrity and human values that guide us. We aim to: Deliver projects that are safe, efficient, and built to last. Build strong, lasting relationships with clients, partners, and team members. Foster a work environment where our team grows with pride, purpose, and opportunity. Embrace innovation to meet the evolving needs of our industry and communities. We don’t just build infrastructure—we build trust, careers, and a better future.

Our Commitment to Safety and Long-Term Quality

At DDiaz Construction LLC, safety is more than a policy—it’s a core value that drives everything we do. We are deeply committed to creating and maintaining job sites where our team members, partners, and the surrounding community are protected at all times. We follow strict safety protocols and industry best practices to ensure that every project is completed without incident. From the first day on site to the final inspection, our crews work with discipline, awareness, and the training needed to avoid risks and protect one another. But our commitment doesn't stop there. We also build with the future in mind—delivering infrastructure and construction projects designed to last for decades. We understand that the decisions we make today will affect not only the safety of our team, but also the strength, reliability, and performance of our work for years to come. At DDiaz Construction, we build safely. We build responsibly. And we build to last.