1. Express Lab Testing 6647 Dixie Hwy Suite B, Clarkston, MI 48346 Coordinate: 42.71767,-83.41536 Phone: (248) 625-5600
2. Accutest Of Michigan 5790 S Main St, Clarkston, MI 48346 Coordinate: 42.72255,-83.41773 Phone: (248) 922-9211