Representative Projects

RRJ provides structural engineering and architectural services which include field investigation, repair design, lab and field testing, construction administration, and litigation support.

Our People

RRJ has a highly experienced staff of engineers, architects, CAD technicians, lab/field testing specialists, and support personnel who are committed to timely response and attentive service to our clients. Headquartered in Willowbrook, Illinois, our staff are deployed on projects located throughout the United States and globally.