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?

Staff fun decorating our tree for the Decatur Park District TREES on the TEES event, December 10-13 & 17-20, 2020... Read More
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Client Testimonials.

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