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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You have skilled people, a superior laboratory facility with all the equipment in excellent condition and an outstanding QC/QA program. Your certified tranined staff was knowledgeable, courteous and proactive…

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Assuring that construction projects are delivered according to specification while meeting the objectives of the project owner is of critical importance to any project’s success.  INTERRA’s field inspection and field testing professionals fully realize that even the best engineering can be completely undermined by inferior construction practices and materials.  INTERRA, as owner and client advocate, helps bring confidence and trust that your project is being constructed as specified.

To learn how INTERRA’s inspection and field testing services can make a difference, please take a look at the following project profiles.