1. Arnold Motor Supply Humboldt 1301 4th Ave SW, Humboldt, IA 50548 Coordinate: 42.71664,-94.22638 Phone: (515) 332-2261
2. Nikomis Machine HBT Inc 1503 22nd St N, Humboldt, IA 50548 Coordinate: 42.73617,-94.24293 Phone: (515) 332-2753