1. Donaldson Docks Inc 12 Maid Marian Ct, Estherville, IA 51334 Coordinate: 43.39525,-94.86303 Phone: (712) 362-5513
2. Donaldson Lake Service 705 S 11th St, Estherville, IA 51334 Coordinate: 43.39413,-94.83044 Phone: (712) 209-7510