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Company

About Us

We are one of the most respected forensic building consultants in the country. See why we are leaders.

  • Senior Leadership

Areas of Focus

We are deeply invested in three specialties to give you top service in every aspect of building performance.

  • Building Enclosure Consulting
  • Engineering Solution
  • Laboratory & Field Testing

Careers

Seeking a firm with a solid foundation that embraces innovation? Find out more about our culture of expertise.

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Expertise

Specialties

We are deeply invested in three specialties to give you top service in every aspect of building performance.

  • Building Enclosure Consulting
  • Engineering Solution
  • Laboratory & Field Testing

Services

From expert witness testimony and BECx to intensive building failure analysis, we align our services with your needs.

  • Construction Consulting
  • Litigation Consulting
  • Investigation
  • Historic Renovation
  • Condition Assessment
  • Drone Services
  • Repair & Renovation Design
  • Failure Analysis
  • Design & Peer Review
  • Building Enclosure Commissioning
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People

Senior Leadership

Meet the senior leaders at RRJ who are part of each and every project.

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Our solutions are powered by the best people. We have the expert you need.

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Work

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See what markets and building types we serve.

Projects

Find out how we have solved problems just like yours.

RRJ takes complex things and makes them simple.

Sarah Bader, IIDA, LEED® AP, Principal
Representative in Japan, Gensler

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Publications

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Find an expert
Find an expert

Company

About Us

We are one of the most respected forensic building consultants in the country. See why we are leaders.

  • Senior Leadership

Areas of Focus

We are deeply invested in three specialties to give you top service in every aspect of building performance.

  • Building Enclosure Consulting
  • Engineering Solution
  • Laboratory & Field Testing

Careers

Seeking a firm with a solid foundation that embraces innovation? Find out more about our culture of expertise.

Expertise

Specialties

We are deeply invested in three specialties to give you top service in every aspect of building performance.

  • Building Enclosure Consulting
  • Engineering Solution
  • Laboratory & Field Testing

Services

From expert witness testimony and BECx to intensive building failure analysis, we align our services with your needs.

  • Construction Consulting
  • Litigation Consulting
  • Investigation
  • Historic Renovation
  • Condition Assessment
  • Drone Services
  • Repair & Renovation Design
  • Failure Analysis
  • Design & Peer Review
  • Building Enclosure Commissioning

People

Senior Leadership

Meet the senior leaders at RRJ who are part of each and every project.

View Our Team

Our solutions are powered by the best people. We have the expert you need.

Work

Markets

See what markets and building types we serve.

Projects

Find out how we have solved problems just like yours.

RRJ takes complex things and makes them simple.

Sarah Bader, IIDA, LEED® AP, Principal
Representative in Japan, Gensler

Insight

News

Find out what’s happening.

Events

See where we contribute.

Publications

Learn why we are thought leaders

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08-09-23

RRJ and CBC – Gibson’s Italia on the Chicago River


Come network and socialize with both RRJ and The Chicago Building Congress on August 9th as we enjoy the rooftop of Gibson’s Italia on the Chicago River.

https://lnkd.in/gdvPtmAP

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  • Building Enclosures
  • Engineering Solutions
  • Lab & Field Testing

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  • Construction Consulting
  • Litigation Consulting
  • Investigation
  • Historic Renovation
  • Condition Assessment
  • Repair & Renovation Design
  • Failure Analysis
  • Design & Peer Review
  • Building Enclosure Commissioning
  • Drone Services

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500 Joliet Road
Suite 200
Willowbrook, IL 60527

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Call 630 325 6160

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