Quality, Service & Commitment


  • 22 Jan 2018

    Civil Engineer Needed

  • 08 Dec 2017

    INTERRA Honored With 2017 IRTBA Green Industry Achievement Award For Green Initiatives

  • 26 Oct 2017

    INTERRA To Host Ribbon Cutting With Bolingbrook Mayor Celebrating Going Green

More News


Laboratory Certifications

  • IL & WI State DOTs
  • ASTM


Firm Certifications

  • DBE with IDOT
  • MBE with City of Chicago

Read More


You have skilled people, a superior laboratory facility with all the equipment in excellent condition and an outstanding QC/QA program. Your certified tranined staff was knowledgeable, courteous and proactive…

Read More


INTERRA, a proven and trusted team member on large, demanding airport projects, provides the expertise, experience, and service responsiveness required to get the job done.  Like any large-scale, fast-paced construction project; the ability to carefully and systematically inspect construction procedures and materials, correctly obtain test samples, maintain accurate, reliable, and readable field documentation, and efficiently process, manage, and report large volumes of test data in a timely manner is paramount to the project’s success.  On all accounts, as exhibited in the following project list and sample profiles, INTERRA delivers:

  • O’Hare Modernization Program (OMP)
  • O’Hare International Airport, Terminal 6; Chicago, IL
  • Palwaukee Airport, Wheeling, IL
  • Touhy Avenue Reservoir, Des Plaines, IL
  • New GEM Building, United Airlines, Chicago, IL
  • Runway 9R/27L (Limited Rehabilitation)
  • DOA Project # H6137, O’Hare Int’l Airport, Chicago, IL
  • Runway Guard Light Installation Project
  • DOA Project # H6315 O’Hare Int’l. Airport, Chicago, IL
  • Terminal 5, EDS Baggage Rechecking
  • Terminal 1, South Addition
  • Terminal 1, Canopy Addition
  • Midway Airport AirSide Pavement, Chicago, IL
  • DuPage Airport, West Chicago, IL
  • Aurora Airport, Aurora, IL
  • Joliet Airport, Joliet, IL
  • Elkhart Municipal Airport, Elkhart, IN
  • Gary Regional Airport, Gary, IN