We engineer the foundations of thriving communities.
David Mason + Associates has delivered exceptional engineering and innovative construction services since 1989. We bring technical excellence, creative problem‑solving, and proactive communication to deliver solutions that stand up to real‑world complexity. With offices across St. Louis, Chicago, Philadelphia, Tampa Bay, Indianapolis, and Cleveland, our licensed professionals bring the experience and craftsmanship that clients trust.
As a certified MBE, DMA provides comprehensive engineering and construction‑related services—from civil and structural engineering to surveying, utilities, and field services—supporting healthcare, education, transportation, water, and public infrastructure projects.
We work efficiently so your projects stay on schedule and on budget.
We prioritize safety and service to give you total peace of mind.
We combine modern technology with real hard work to deliver lasting value.
Foundation for Success
Every build is only as strong as the foundation beneath it. Our guiding principles are that foundation. Energized by the challenge and inspired by our people, we approach every project with purpose, accountability, and a commitment to doing what's right. These principles shape how we show up for our clients, partners, and communities every day.
Our Guiding Principles
Be Real
Rake the Leaves
All Oars In
