Quality, Service & Commitment

INTERRA NEWS

  • 19 Sep 2018

    INTERRA Selected As Finalist To Receive The 2018 Illinois Sustainability Award

  • 08 May 2018

    IRTBA Announces INTERRA President To Serve On Green Council Board Of Directors

  • 28 Apr 2018

    INTERRA AWARDED IDOT PTB 187, ITEM 4 PROJECT

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Certified

Laboratory Certifications

  • IL & WI State DOTs
  • ASTM
  • AASHTO
  • USACE

 

Firm Certifications

  • DBE with IDOT
  • MBE with City of Chicago

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Testimonials

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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Certifications

INTERRA’s full-service materials testing laboratory is among the finest and most respected in the Midwest.  Our proprietary data management system provides updated information regarding testing status, performs thorough quality control procedures, and allows clients to access test reports online. The quality of work performed by INTERRA is further demonstrated by the certifications we possess from various regulatory agencies.  Please visit agency websites for scope of accreditation and accredited methods or prequalification categories for each of our laboratories.

  • American Association of State Highway & Transportation Officials (AASHTO)
  • Illinois Department of Transportation (IDOT)
  • Indiana Department of Transportation (INDOT)
  • Michigan Department of Transportation (MDOT)
  • Wisconsin Department of Transportation (WISDOT)

INTERRA is certified as Minority/Disadvantaged Business Enterprise (M/DBE) by the following Agencies:

  • Illinois DOT (IDOT)
  • Indiana DOT (INDOT)
  • Michigan DOT (MDOT)
  • Wisconsin DOT (WisDOT)
  • City of Chicago
  • State of Illinois
  • State of Wisconsin