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About DMA

At DMA, we engineer the foundations of communities. Our business is to create and preserve the Nation’s infrastructure. We design and assess highways and bridges, buildings, sewers and tunnels, and electric and gas networks used by millions of Americans every day. We work on iconic projects – international airports, national monuments, universities, hospitals and medical campuses, sports stadiums, and so much more.

Our family-first and hard-working culture stretches far beyond the name of Mason. We believe everyone works together, an “all oars in the water” approach to help everyone succeed. Our team members are like extended family and we collaborate to serve our customers with integrity.

What we create underpins the economic and social foundations of our world today and into the future. For us, this is a time-honored profession. We have a deep respect for the historical significance of our craft and the lasting impact we make for our customers on their communities. As a Minority-Owned Business Enterprise (MBE) we believe in making a difference and creating opportunity to participate in this important work.

You are our customer and our client…

You are our customer.  It is our privilege to serve you.  You are also our client because the long-term relationships we build allow us to continue our mission.

What 
We Do

Engineer the foundation of communities.

how we succeed

Assess, create, and preserve essential infrastructure.

why we’re involved

We are energized by the challenge and inspired by our people.

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Our History

1989

Started company as DMA in the Macklind Avenue Building July 24, 1989 founded by David W. Mason & James O. Hacking. Services in 1989: Architecture, Civil Engineering, and Surveying.

1993

Move to 800 S. Vandeventer Ave. and added Structural Engineering Group.

1995

First Major project: TWA Dome –
Rams Football Stadium & Convention Center.

1997

Firm reaches 100 Employees with major projects for Metrolink, St. Louis Zoo and Forest Park.

2002

Chicago Office opens on East Illinois Street. Firm continues to grow with projects in Aviation, Transporation, Parks & Recreation, and Municipal markets.

2003

Busch Stadium design begins and large projects in Higher Education continue firm growth in St. Louis and Chicago.

2005

DMA acquires building in Chicago and moves from East Illinois Street to 464 North Milwaukee.

2007

DMA continues growth and makes major pivot into Power/Utility Market.

2009

Major Prime opportunities working for Chicago Department of Aviation – Runway projects, University of Chicago, and U of C – Medical.

2012

Begin work on National Competition- Arch Grounds Renovation and Leonor K. Sullivan Blvd.

2013

DMA acquires Mid America Pipe Services (Sewer Camera & Cleaning) and increases business by 400% by 2017.

2013

DMA begins Electrical Substation Design Division & Hires full-time Structural Engineering staff in Chicago.

2014

Philadelphia office opens to support Power/Utility and Philadelphia region projects.

Our Future

There are incredible opportunities ahead for David Mason + Associates in every one of our divisions. As a legacy business, we intend to find new ways to use our knowledge and experience to grow as a company. We have a track record of setting new goals and then exceeding them. To accomplish this, we incorporate new talent, acquire new skills and bring that learning to bear on every challenge we find.  By providing exceptional engineering and construction support services with integrity at heart and safety in mind, we have built a company and a brand strong enough to compete and excel for years to come.