1. Blue Vector Engineering, P.C. 6643 Balmoral Ter, Clarkston, MI 48346 Coordinate: 42.7088,-83.41416 Phone: (248) 891-1996
2. Kieft Engineering Inc 5852 S Main St, Clarkston, MI 48346 Coordinate: 42.72351,-83.418 Phone: (248) 403-8528