1. Anderson Company 528 Sumner Ave, Humboldt, IA 50548 Coordinate: 42.72103,-94.21541 Phone: (515) 332-3466
2. Erpelding Voigt & Co LLP 422 Sumner Ave, Humboldt, IA 50548 Coordinate: 42.72077,-94.21385 Phone: (515) 332-2701