1. Cambridge Well Drilling 696 Watertown Rd, Sandusky, MI 48471 Coordinate: 43.3404,-82.85334 Phone: (810) 648-6000
2. Rich Well Drilling 2375 N Townline Rd, Sandusky, MI 48471 Coordinate: 43.49395,-82.87252 Phone: (810) 648-4141