Welcome. 
What Can We Do For You?

For more than 65 years, Chastain has been improving infrastructure, designing and constructing transportation highways, roadways and bridges, and engineering civil site development that brings communities together where they
live, work and play.

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What's New?

Chastain welcomes Dan Kaup, MPA to our team as the Municipal Services Manager in our Schaumburg office... Read More
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Client Testimonials.

Proud supporter of the Illinois Collegiate Rowing Invitational at Clinton Lake.