According to our records, this business is located at 5 Club Centre Ct in Edwardsville (in Madison County), Illinois 62025, the location GPS coordinates are: 38.7788815 (latitude), -89.9839059 (longitude). Quest Diagnostics Inc is categorized under Testing Laboratories (SIC code 8071). Current estimates show that the unit has a sales volume of $282,000 and staff of approximately 2 people. You can contact the company by phone at (618) 656-4668.