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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With this letter we provide our confidence in INTERRA in providing comprehensive field and laboratory testing for projects involving soils investigations, design and construction monitoring … Their services are consistently ontime and within budget…

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INTERRA Supports the Safe Roads Amendment

On the November 8th general election ballot, you have an opportunity to ensure that the money you spend on transportation related taxes and fees is invested in the maintenance and repair for existing and new roads, highways, mass transit, and …

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New Community Service Initiative at INTERRA

Supraja Reddy, of INTERRA, has a son who is with the Boy Scouts of America and looks to fulfill his scout oath and to become an Eagle Scout. In order to accomplish this goal, he has decided to complete a …

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INTERRA Participates in Tug of War with a Plane for Special Olympics Illinois Fundraiser

The 8th Annual Plane Pull at O’Hare International Airport hosted by Special Olympics Illinois and the Law Enforcement Torch Run successfully raised over $138,000 for over 22,000 traditional athletes and more than 20,000 Young Athletes currently participating with Special Olympics …

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