David Mason + Associates engineers the foundation of communities by assessing, creating, and preserving essential infrastructure and facilities. We are energized by the challenge, inspired by our people.
Read more about David Mason + Associates
Located in the City of St. Louis, Missouri the 193-acre Jefferson National Expansion Memorial (JNEM) is situated on the west bank of the Mississippi…
In order to improve customer service and reliability throughout their service territory, Ameren is investing millions of dollars to make improvements to their heavy…
“I have worked with David Mason for more than thirty years. Whether as a client, consultant, or partner in construction work, David Mason has proven to be a consistent, high quality, productive team member providing professional services.”
“HBK has worked on a multitude of projects in the utility industry with David Mason + Associates since 2011. From the beginning, we have considered DMA a great partner who shares our passion for providing the highest level of safety, quality and service in our work.”
“David Mason + Associates has always provided the highest quality engineering, architectural and surveying work for the City of St. Louis at a reasonable cost. Their staff is very professional and works very hard to achieve total client satisfaction.”
“SAK has been working with David Mason + Associates for over 5 years. In that time, they have demonstrated excellent reliability, quality and communication. SAK considers them a valuable partner and would highly recommend them to others. We look forward to continued work with David Mason & Associates in the future.”
“I have had the privilege of working with David Mason + Associates (DMA) for over 15 years on airfield projects at Lambert – St. Louis International Airport. DMA is a vital part of our Lambert team and has been integral in our ability to provide consistent and effective service to the City of St. Louis. While the quality of their work is always top notch it is their responsiveness and willingness to go the extra mile that makes them an essential team member for us.”
“…in discussing your survey with my designer, who goes through it thoroughly when laying out our alignments, he mentioned that the surveys we receive from DMA are consistently among the best we receive…..keep up the good work!”
“I have had the opportunity to work with David Mason + Associates on a variety of projects in the St. Louis region. We have worked together under a multitude of delivery methods from Design-Build to Hard Bid and they are a truly collaborative partner in any contract structure. They understand the needs of their clients and are a partner to the builders executing their designs. I look forward to future successes with DMA!”
“I have had the privilege of working with David Mason + Associates (DMA) on two major league sports venues, Busch Stadium, home of the St. Louis Cardinals, and the St. Louis Riverfront Football Stadium project on behalf of the Governor’s Task Force effort to retain the Rams football team in St. Louis. DMA provided surveying and civil engineering services for both projects and their contribution was outstanding. Each project demanded precision and attention to detail and DMA delivered faultlessly, even in the face of extraordinary time constraints… This is a firm I would love to work with again.”
“David Mason + Associates have been a long time partner with St. Louis Lambert International Airport. The have worked on many different projects and have been an integral part of moving St. Louis Lambert forward. The most impressive thing I can say about David and his team is they treat the airport as if it were a company they own! They take the time to learn about what is important to us and how the work they are doing will fold into our 5 Year Strategic Plan and beyond. They have embraced St. Louis Lambert as a regional asset and have taken pride in ensuring our success long term.”
David Mason + Associates is an exceptional business partner of Burns & McDonnell. For over a quarter of a century, Burns & McDonnell and DMA have worked together on a number of successful projects, ranging from transportation and water/wastewater to facilities and electric utility projects. I/we have always been able to count on them to come through for us and the clients we serve.
David Mason + Associates is a trusted firm that has played key roles in the design and construction of some of the most prominent and challenging projects in the St. Louis region. They were critical in the success of the City Arch River renovation in downtown St. Louis, including MoDOT’s Park over the Highway project.