Quality Testing & Engineering Staff
Michael A. Widman, P.E.
Jack W. Mutchler, P.G.
Environmental Services Manager
Eric K. Marlinghaus, P.E.
Construction Services Manager
Chad M. Martens
Environmental Services Project Manager
Director of Business Development
Carlos A. Villarreal
Field Manager / Lab Inspector
Wayne K. Smith
Laboratory Manager / Soil Scientist
Senior Field Technician
QTE can help you clean up contaminants and bring you into compliance as quickly and cost-effectively as possible.
803 W State St, O’Fallon, IL 62269
(By appointment only.)
206 S. Linn Ave. Wentzville, MO 63385
Quality Testing & Engineering, O'Fallon, IL / St. Louis, MO
Quality Testing & Engineering, with construction testing and engineering offices in O'Fallon, Illinois and Wentzville, Mo, serves the St Louis, Missouri metropolitan area as well as areas of Southern Illinois including O'Fallon, Illinois, Edwardsville, Illinois, Alton Illinois, Belleville, Illinois, Troy, Illinois, Columbia, Illinois, Scott Air Force Base, Illinois and other areas. We provide construction testing, environmental consulting and testing, geotechnical exploration, construction materials testing and other environmental services to the St Louis area, including Wentzville, Missouri, O'Fallon Missouri, St Louis County as well as all areas of Southern Illinois.
Quality Testing and Engineering products range in size from residential homes to Industrial/Refineries, heavy industrial projects such as power plants, refineries and factories. QTE works in commercial, educational, institutional, industrial, recreational, refinery, transportation and warehousing projects.