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

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