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Engineered to Exceed Expectations

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Award winning work with proven, long-term value

Our Technology defies deviation.

Tight tolerances? Our technology defies deviation.


We make your city our mission.


From architect's vision to high functioning reality

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Who We Are
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We're Your Neighbors

Missman has been working for more than six decades to engineer a better world for clients in Illinois and Iowa. It's an effort that starts with listening and understanding goals. We've found these are the best tools to keep projects on time and on budget.

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What We Do
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Our Centers of Excellence provide a go-to resource for civil engineering, structural engineering, and surveying. Our portfolio includes successful projects for commercial, institutional government, municipal, water/ wastewater and transportation clients throughout the Midwest.

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Why Choose Us
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The Missman Team is 70 persons strong, representing top level expertise in multiple fields. These skills are the reason we win awards and are highly regarded by both our peers and the many clients we serve.

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Locations underline
  • Rock Island, IL
  • 1011 27th Avenue, P.O. Box 6040
  • Rock Island, IL 61201
  • 309.788.7644
  • Bettendorf, IA
  • 1717 State Street, Ste 201
  • Bettendorf, IA 52722
  • 563.344.0260
  • Rockford, IL
  • 333 E. State Street, P.O. Box 4327
  • Rockford, IL 61110
  • 815.965.6400
  • DeKalb, IL
  • 125 N. First Street
  • DeKalb, IL 60115
  • 815.748.5543
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  • Without exception, our community has benefited from the professionalism, competency, design and engineering work, which in my mind, is synonymous with your firm.

    - Steven W. Seiver

  • The integrity of the firm and their loyalty to clients has been demonstrated many times over in our association with them.

    - Mary E. Ulfig

  • Excellent job on Harrison Road in Rockford, IL From the field work to the editing, as well as the timeliness, I am very pleased. I appreciate their diligence and quality of work.... read quote

    - Roger B. Inboden, PLS

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