Quality, Service & Commitment

INTERRA NEWS

  • 19 Sep 2018

    INTERRA Selected As Finalist To Receive The 2018 Illinois Sustainability Award

  • 08 May 2018

    IRTBA Announces INTERRA President To Serve On Green Council Board Of Directors

  • 28 Apr 2018

    INTERRA AWARDED IDOT PTB 187, ITEM 4 PROJECT

More News

Certified

Laboratory Certifications

  • IL & WI State DOTs
  • ASTM
  • AASHTO
  • USACE

 

Firm Certifications

  • DBE with IDOT
  • MBE with City of Chicago

Read More

Testimonials

LPV111, New Orleans East Back Levee, Louisiana: “Given the accelerated schedule requirements of this project both the testing lab & field staff were more than capable and willing to go the extra mile to ensure all manners of testing specifications …

Read More

testimonial 09

U.S. Route 34 at the Canadian National (CN) Railroad Bridge Construction: “Thanks very much for a job well done throughout this entire project. Congratulations to you and your staff!”

David A. Cuthbertson, PE, Senior Project Manager, Alfred Benesch & Company

Back to testimonials