INTERRA is an industry leading provider of Engineering, Inspection, and Testing services delivered in support of construction, development, environmental, and geotechnical projects in a wide variety of end-user markets throughout the Midwest.
State highway departments, federal agencies, FORTUNE 500 companies, municipalities, top-tier healthcare corporations, preeminent construction firms, commercial property owners - to name a few - are all long-term INTERRA clients; many of which retained the firm when it opened its doors in 1996 as Great Lakes Soil & Environmental Consultants, Inc.
State highway departments, federal agencies, FORTUNE 500 companies, municipalities, top-tier healthcare corporations, preeminent construction firms, commercial property owners - to name a few - are all long-term INTERRA clients; many of which retained the firm when it opened its doors in 1996 as Great Lakes Soil & Environmental Consultants, Inc.
Services
Meets the Challenge. INTERRA has met the challenges of demanding projects and successfully completed both as a prime and as a subconsultant throughout the United States. INTERRA's material testing laboratories are accredited by state DOTs and AASHTO to provide common and advanced testing on soils, concrete, asphalt, and aggregates.
Maximize your potential with INTERRA! We are an industry leading provider of Engineering, Inspection, and Testing services delivered in support of construction, development, environmental, geotechnical projects in diverse markets throughout the Midwest. Clients include the Illinois Tollway, IDOT, CDOT, CDWM, municipalities/counties, private companies, and developers.
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