1. Hammen Auction Co Machinery & Syngenta Seed Sales
Po Box 292, Fonda, IA 50540
Coordinate: 42.60515,-94.82974
Phone: (712) 288-6516
2. Hammen Auctioneering & Garst Hybrid Seed Sales
312 Queen St, Fonda, IA 50540
Coordinate: 42.58247,-94.842
Phone: (712) 288-6516