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

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Quality Testing & Engineering Group

Civil Engineering Firms Near Me

Quality Testing & Engineering is the go to construction testing & engineering company in the St Louis metro area and Southern Illinois. We perform analyses testing of construction material testing, geotechnical engineering, and other development services in Southern Illinois and St Louis, MO.

QTE is an independent commercial testing laboratory licensed to decommission underground storage tanks and offer residential radon testing. We’re a favorite testing and consulting firm among project management groups in need of a reliable and accurate consulting engineer.

Testing & Engineering, Springfield, IL

Our environmental, archaeological, and wetland consulting services have earned a reputation for providing quality, timely service. QTE technicians are ACI, MODOT, and IDOT certified engineering services.

Alton Engineering & Geotechnical Exploration

QTE explores below the surface of your potential site to arm your design professionals with the necessary data to provide you with the quality foundation you deserve for the lifetime of your project.

Belleville Engineering & Environmental Services

Quality Testing and Engineering, Inc. provides a wide range of environmental consulting services to our clients in the Metro East, Southern Illinois, and St. Louis, Missouri areas.

Edwardsville Engineering & Construction Materials Testing

The core field of service for Quality Testing and Engineering, Inc. is traditional construction observation and testing of concrete, metallurgical analysis, engineered fill, and asphalt paving.

QTE is the Premier Construction Testing & Engineering company in the St Louis metro area and Southern Illinois. Quality Testing and Engineering, Inc. (QTE) was founded in 2000. We provide a wide variety of construction material testing, geotechnical engineering, transportation engineering and other development services.

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



QTE can help you clean up contaminants and bring you into compliance as quickly and cost-effectively as possible.

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.