50 Years of Engineering Excellence: Celebrate with Us!

We're celebrating 50 years of business, and we want you to join in looking back with us over the past half century! We'll be releasing exciting content every month.

Tour our Awards & Honors projects and meet some of the people who have contributed to our journey and along the way learn some interesting “Did You Know”? facts. Get to know our past, stay tuned as we commemorate our history and continue shaping the future together.

Thank you for being a part of the DHA Family!

Mamo Assefa, P.E.
President
We invite you to return on the following months:
January - Our People & Facts
February - Our Vision

A legacy of five decades

Awarded Projects

Celebrating 50 years of awarded innovation and creativity, partnering to create a legacy of design and engineering excellence.

People

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We have the talent and technical expertise to take your project to the next level.
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