Quality Testing has provided geotechnical engineering, construction testing and environmental services on various projects for Contegra Construction Company for over 12 years. Quality Testing has always conducted their business in a professional manner and their staff and field employees work diligently to provide quality service on our projects.
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
