1. Sloan's Septic Tank Service 16415 Brady Rd, Oakley, MI 48649 Coordinate: 43.18466,-84.23632 Phone: (989) 341-4852
2. Pennington Farm Drainage 18885 W Sharon Rd, Oakley, MI 48649 Coordinate: 43.14713,-84.14445 Phone: (989) 413-1940