(618) 632-9900 (636) 332-1153 marketing@qteinc.com

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Quality Testing & Engineering:
Personal Certifications

  • ACI Concrete Field Testing Technician – Grade I
  • ACI Concrete Laboratory Testing Technician – Grade I
  • ICC Reinforced Concrete Special Inspector
  • NCMA Concrete Masonary Testing Technician
  • IDOT Bituminous Concrete Density Testing
    • 5-Day Aggregate
    • Concrete Level I & II
    • Asphalt Level I, II, & III
    • Documentation of Contract Quanitities
  • NICET Construction Materials Testing
    • Asphalt Level III
    • Concrete Level III
    • Soil Level III
  • FACE Indistries FF/FL Technician
  • Nuclear Densimeter Moisture Gauge
  • Certified Hazardous Materials Manager
  • 40-hr OSHA Hazard Waste Operations & Emergency Response
  • 8-hr OSHA Hazardous Waste Site Supervisor
  • MODOT Bituminous Level I & II
  • Soils Level I & II
  • Concrete Level I & II

Laboratory Certifications

  • Army Corp of Engineers
  • IDOT QC/QA of Concrete Mixtures
  • Illinois Capital Development Board Prequalification
  • Cement & Concrete Resource Laboratory
  • AMRL


Corporate Office

803 W State St, O’Fallon, IL 62269
(618) 632-9900
(618) 632-9922



Regional Office
(By appointment only.)

206 S. Linn Ave. Wentzville, MO 63385
(636) 332-1153
(636) 332-5781



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.