RDA is a small local company, located in downtown Ann Arbor, Michigan, with a stellar reputation and strong community ties. We have been in business since 1961 and are known for quality work, expertise, dependability, and ingenuity.
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Fixed Yet Flexible
In complex projects, the devil is in the details. At RDA, our attention to detail is clearly visible.
Solid and Proven
With five decades of engineering experience, you can trust that your project is in capable hands.
Creative and Collaborative
Our multidisciplinary backgrounds help our clients creatively achieve that success.