Trotter and Associates, Inc. is proud to welcome Christopher Muellner, EIT, as a Project Engineer based in our St. Charles, IL office.



Chris brings experience in municipal utilities, land development, and civil site engineering. He is already contributing to infrastructure projects that support municipalities and communities throughout Northeast Illinois and Southern Wisconsin.

With four TAI office locations and continued growth planned for 2026, we’re proud to add talented professionals like Chris to our team.