Quality, Service & Commitment


  • 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

  • 26 Sep 2016

    INTERRA Supports the Safe Roads Amendment

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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: