1. Kieft Engineering Inc 5852 S Main St, Clarkston, MI 48346 Coordinate: 42.72351,-83.418 Phone: (248) 403-8528
2. Thomas Smith P S 7559 Olde Sturbridge Trl, Clarkston, MI 48348 Coordinate: 42.74682,-83.41209 Phone: (248) 625-3276