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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Tamiami Trail Project-Florida: “Mr. Vyas and the whole Interra team were instrumental in contributing to the high quality work provided to the USACE.  Interra’s management went above and beyond in meeting our needs.” Larry Corn, Area Quality Manager,  Kiewit Infrastructure …

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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.