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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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 has extensive and diverse technical experience in a wide range of end-user markets. ¬†Although each market, client, and project is certainly unique with its own demands, requirements, objectives, constraints, and stakeholders; INTERRA’s ability to tap into its deep technical experience and cumulative project knowledge throughout its organization provides great value to every ¬†client engagement. With this experience and knowledge, we’re able to not only solve highly challenging problems, but to anticipate them.

So, no matter the industry, no matter the complexities of the project — INTERRA has what you need to ensure project success.