1. North Central Iowa Service, L.L.C.
1700 13th St N, Humboldt, IA 50548
Coordinate: 42.74012,-94.22721
Phone: (515) 332-1506
2. Vitzthum Electric
1202 11th St SW, Humboldt, IA 50548
Coordinate: 42.70741,-94.22391
Phone: (515) 332-4372
3. Detrick Electric
22 River Oaks, Humboldt, IA 50548
Coordinate: 42.73809,-94.19378
Phone: (515) 332-4583