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

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Quality Testing & Engineering:
Municipality Projects

  • 9th Street Highland Water Main – Highland, IL
  • Alhambra Water Treatment Plant Improvement – Alhambra, IL
  • Belleville Waste Water Treatment Plant – Belleville, IL
  • Black Jack Fire Station – Florissant, MO
  • Breese Waste Water Treatment Plant – Breese, IL
  • Caseyville Village Hall – Caseyville, IL
  • Caseyville Waste Water Treatment Facility – Caseyville, IL
  • Collinsville Fire Station #1 – Collinsville, IL
  • Collinsville Museum – Collinsville, IL
  • Ft. Russell Township Building – Madison County, IL
  • Glen Carbon Public Works – Glen Carbon, IL
  • Glen Carbon Water Storage Tank – Glen Carbon, IL
  • Highland Lift Station – Highland, IL
  • Highland Waste Water Treatment Plant – Highland, IL
  • Illinois State Police Forensic Lab – Belleville, IL
  • Litchfield Waste Water Treatment Plant – Litchfield, IL
  • Mid county Fire Protection District – Pagedale, MO
  • Nutwood Pump Station – Nutwood, IL
  • O’Fallon Police Station – O’Fallon, IL
  • O’Fallon Public Safety Facility – O’Fallon, IL
  • Pocahontas Waste Water Treatment Plant – Pocahontas, IL
  • Caseyville Water Treatment Plant – Caseyville IL
  • Poplar Street Water Line – Highland, IL
  • Sandoval Water Treatment Plant – Sandoval, IL
  • Shiloh Fire Station – Shiloh, IL
  • Staunton Public Works Facility – Staunton, IL
  • St. Louis County Waste Water Treatment Plant – St. Louis County, MO
  • St. Louis Lambert Airport Detention Facility – St. Louis, MO
  • Stonehenge Dam – Columbia, IL
  • Vandalia Levee Repair – Vandalia, IL
  • Washington County Water Department – Washington County, IL
  • Waterloo Waste Water Treatment Plant – Waterloo, IL
  • Wentzville Waste Water Treatment Plant – Wentzville, MO
  • Wood River Levee – Wood River, IL


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.