Chastain & Associates LLC and our affiliate Fisher Engineering are committed to serving our clients and working through this challenging time together.  Utilizing today's technology, we take comfort knowing we can continue to be productive and focus on your needs while staying safe and healthy.  Please reach out if we can help in any way, or with any questions and/or concerns.

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.

What's New?

We've Grown Into a New Location!  ​Chastain is excited to announce our expansion into Wisconsin with the... Read More

Featured Project.

Village of Schaumburg, Pavement Management Program
The Village completes a condition assessment of its street network every three years using the results to... Learn More
Proud supporter of the Illinois Collegiate Rowing Invitational at Clinton Lake.