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


LPV111, New Orleans East Back Levee, Louisiana: “Management was attentive to our needs, provided the advice needed to make cost effective decisions, and followed through with action in the field.  This was a very high profile project with a one …

Read More


INTERRA has successfully maintained long-term relationships with various federal entities, including the Department of Navy and the Army Corps of Engineers (USACE).  From levee work in New Orleans, to Lake Michigan shoreline stabilization projects in Chicago, to dam, floodwall, and reservoir work on Illinois rivers and lakes, to the construction of Navy barracks and training facilities; INTERRA consistently earns high commendations for its work product, quality, responsiveness, and ability to consistently deliver projects on time and on budget.

Please review the list below to view a few of our many diverse projects completed for the federal government.