1. Landmark Surveying PC 204 N Shiawassee St, Owosso, MI 48867 Coordinate: 42.99872,-84.1765 Phone: (989) 725-8725
2. Clark Engineering 700 Mcmillan Rd, Owosso, MI 48867 Coordinate: 42.98471,-84.15563 Phone: (989) 723-7930