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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LPV111, New Orleans East Back Levee, Louisiana: “Given the accelerated schedule requirements of this project both the testing lab & field staff were more than capable and willing to go the extra mile to ensure all manners of testing specifications …

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INTERRA provides a wide range of technical and consulting services to numerous end-user markets and clients.  Our core expertise in engineering, inspection, and materials testing is derived from the deep experience and educational background of our talented and dedicated personnel.  Each is a recognized expert in his or her respective field.  Our clients benefit greatly from INTERRA’s experience, creativity, and expertise because we are able to provide practical, cost-effective, and implementable solution options to even the most demanding of problems.

Equally important as our expertise is our commitment to providing industry leading service to every client on every project.  INTERRA personnel fully understand that having experience and knowledge without effective communication, project management skills, quality control procedures, safety awareness, and results-driven objectives is of little value.  It is only by providing both – industry leading expertise and industry leading service – can we achieve our clients’ objectives.

For additional information regarding our expertise and technical service offerings, please visit the following pages: