Quality, Service & Commitment


  • 26 Oct 2017

    INTERRA To Host Ribbon Cutting With Bolingbrook Mayor Celebrating Going Green

  • 21 Jul 2017

    Recipient Of Service Award Thanks INTERRA for Engineering Support With Jane Byrne Circle Interchange

  • 15 Mar 2017

    INTERRA, Inc. Full-Time Field Technician Openings in Franklin, WI

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Laboratory Certifications

  • IL & WI State DOTs
  • ASTM


Firm Certifications

  • DBE with IDOT
  • MBE with City of Chicago

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Chicago O’Hare Airport, Terminal 6 Project: “We would like to extend our appreciation to you and all of your employees who worked on the Terminal 6 Project.  All work was performed professionally, accurately and thoroughly. Your commitment to quality and …

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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.