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

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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 trained personnel experienced in all aspects of Phase I assessments.  Necessary assessment activities are completed according to regulations in the best and most cost effective manner, producing timely and defensible reports.  If required, INTERRA can manage underground storage tank (UST) closures and fast-track environmental remediation work.

INTERRA, and its experienced professionals, have completed numerous small and large Phase II Environmental Site Assessment projects including the following: